Hardest CompTIA A+ Hardware And Networking Exam!
This quiz has been made to see whether you are entirely prepared for the real exam. This practice test will help you pass by familiarizing you with the material and ensuring that you know the structure of the CompTIA+ Hardware and Networking test. Time yourself to 90 minutes to get a feel of the pressures of the real exam. The practice test is designed to reflect the final exam. So, let's try out this challenging quiz. All the best!
- 1.
Which of the following is dangerous and should only be opened by a Specially Trained Professional
- A.
CPU
- B.
Laser Printer
- C.
Monitor
- D.
Laptop Computer
Correct Answer
C. MonitorExplanation
A monitor is dangerous and should only be opened by a specially trained professional because it contains high voltage components that can cause electric shock if mishandled. Opening a monitor without proper knowledge and expertise can also lead to damage to the internal components, which may render the monitor unusable. Therefore, it is important to seek the assistance of a trained professional to ensure safety and proper handling of the monitor.Rate this question:
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- 2.
Which of the following is not stored on a CMOS Chip? (Choose all that apply)
- A.
Hard drive Configuration
- B.
Printer Configuration
- C.
Memory Configuration
- D.
Video Configuration
- E.
Time Configuration
Correct Answer(s)
B. Printer Configuration
D. Video ConfigurationExplanation
Printer Configuration and Video Configuration are not stored on a CMOS chip. The CMOS chip, also known as the Complementary Metal-Oxide-Semiconductor chip, is responsible for storing the system's basic configuration information. This includes settings such as the hard drive configuration, memory configuration, and time configuration. However, printer configuration and video configuration are not typically stored on the CMOS chip. Printer configuration settings are usually stored in the printer itself or in the computer's operating system, while video configuration settings are stored in the computer's graphics card or in the operating system.Rate this question:
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- 3.
When someone says they need to install more Ram, which ram are they more commonaly referring to?
- A.
SRAM
- B.
DRAM
- C.
VRAM
- D.
QRAM
- E.
CRAM
Correct Answer
B. DRAMExplanation
When someone says they need to install more RAM, they are commonly referring to DRAM. DRAM stands for Dynamic Random Access Memory, which is a type of computer memory that stores each bit of data in a separate capacitor within an integrated circuit. It is the most common type of memory used in personal computers and is responsible for temporarily storing data that the computer needs to access quickly. SRAM (Static Random Access Memory) is another type of computer memory that is faster and more expensive than DRAM, but it is less commonly used in personal computers. VRAM (Video Random Access Memory) is a type of memory specifically designed for storing graphics and video data. QRAM and CRAM are not commonly used terms in computer memory.Rate this question:
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- 4.
Which of the following are considered Serial interfaces? (select all that apply)
- A.
IEEE 1294
- B.
FireWire
- C.
USB
- D.
ECP
Correct Answer(s)
B. FireWire
C. USBExplanation
FireWire and USB are considered serial interfaces because they both transmit data one bit at a time over a single wire. This allows for faster data transfer rates and the ability to connect multiple devices to a single port. IEEE 1294 and ECP, on the other hand, are not considered serial interfaces as they use parallel communication, transmitting multiple bits simultaneously over separate wires.Rate this question:
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- 5.
Which of the following is commonly referred to as FIREWIRE?
- A.
IEEE 1294
- B.
IEEE 1394
- C.
ISO 2000
- D.
IEEE 1994
Correct Answer
B. IEEE 1394Explanation
IEEE 1394 is commonly referred to as FIREWIRE. This is a high-speed serial bus interface used for connecting devices such as computers, digital cameras, and external hard drives. It provides fast data transfer rates and is commonly used in the audio and video industry for connecting devices and transferring large amounts of data. ISO 2000, IEEE 1294, and IEEE 1994 are not commonly referred to as FIREWIRE.Rate this question:
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- 6.
Which Cable is used to connect a Floppy Drive?
- A.
15 Pin Ribbon Cable
- B.
30 Ribbon Cable
- C.
34 Pin Ribbon Cable
- D.
40 Pin Ribbon Cable
- E.
50 Pin Ribbon Cable
Correct Answer
C. 34 Pin Ribbon CableExplanation
A 34 Pin Ribbon Cable is used to connect a Floppy Drive. Floppy drives, which were commonly used for data storage in the past, require a specific type of cable to connect to the computer's motherboard. This cable has 34 pins and is known as a ribbon cable. It provides the necessary data and power connections between the floppy drive and the motherboard, allowing for data transfer and control of the drive.Rate this question:
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- 7.
Which IRQ cascades with IRQ2?
- A.
IRQ 10
- B.
IRQ 11
- C.
IRQ 9
- D.
IRQ 2 is used by the Mouse
- E.
IRQ 8
Correct Answer
C. IRQ 9Explanation
IRQ 9 cascades with IRQ2. In a computer system, IRQ (Interrupt Request) is used to manage hardware interrupts. When an interrupt occurs, the CPU is directed to stop its current task and handle the interrupt request. IRQ2 is typically used for the cascading feature, which allows additional IRQ lines to be connected. In this case, IRQ9 is connected to IRQ2, meaning that any interrupt request on IRQ9 will be cascaded through IRQ2.Rate this question:
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- 8.
What is the maximum resolution supported by the VGA Monitor?
- A.
400 x 800
- B.
640 x 480
- C.
800 x 1200
- D.
800 x 600
Correct Answer
B. 640 x 480Explanation
The correct answer is 640 x 480. VGA (Video Graphics Array) is an analog video standard that was widely used in computers and monitors. It supports a maximum resolution of 640 x 480 pixels. This resolution is commonly referred to as VGA resolution and is considered to be low by today's standards.Rate this question:
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- 9.
What is the purpose of the Transfer corona in the laser printer?
- A.
It transfers the ink to the paper
- B.
It charges the paper so the ink sticks to it
- C.
It moves the paper through the fusion rollers
- D.
It fuses the toner to the paper
Correct Answer
B. It charges the paper so the ink sticks to itExplanation
The purpose of the Transfer corona in the laser printer is to charge the paper so that the ink sticks to it. This is an important step in the printing process as it ensures that the toner, which contains the ink, is effectively transferred from the drum to the paper. The charged paper attracts the toner particles, allowing for accurate and high-quality printing.Rate this question:
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- 10.
Which of these offers the slowest transfer speed between a printer and a computer?
- A.
Parallel
- B.
Serial
- C.
USB
- D.
Network Printer
Correct Answer
B. SerialExplanation
Serial offers the slowest transfer speed between a printer and a computer. Unlike parallel, USB, and network printer connections, serial connections transmit data one bit at a time, making them significantly slower. This is because serial connections use a single communication line to transfer data, while parallel connections use multiple lines to transfer data simultaneously, resulting in faster transfer speeds. USB and network printer connections also offer faster transfer speeds compared to serial connections due to their advanced technology and capabilities.Rate this question:
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- 11.
Which motherboard socket type is used on the Pentium IV chip?
- A.
Socket 478
- B.
Socket 458
- C.
Socket A
- D.
Slot 3
Correct Answer
A. Socket 478Explanation
The correct answer is Socket 478. The Pentium IV chip uses this motherboard socket type.Rate this question:
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- 12.
Which of the following is used to store data and programs for repeated use, can be added and deleted at will, and will not lose its data when power is removed?
- A.
Ram
- B.
ROM
- C.
L3 Cache
- D.
Hard drive
- E.
L1 Cache
Correct Answer
D. Hard driveExplanation
A hard drive is used to store data and programs for repeated use. It allows users to add and delete data at will, and it retains its data even when power is removed. Unlike RAM, which is volatile and loses its data when power is turned off, a hard drive is non-volatile and preserves data even without power. ROM, L3 Cache, and L1 Cache do not fulfill all the given criteria, making the hard drive the correct answer.Rate this question:
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- 13.
What is also known as a Mini-Din connector?
- A.
RJ-11
- B.
RJ-9
- C.
PS/2
- D.
EPP
Correct Answer
C. PS/2Explanation
A PS/2 connector is also known as a Mini-Din connector. This type of connector is commonly used for connecting keyboards and mice to computers. It has a round shape with six pins arranged in a circular pattern. The PS/2 connector is named after the Personal System/2 computer series introduced by IBM in the 1980s.Rate this question:
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- 14.
What are the voltages supplied by an ATX power supply?
- A.
3.3 volts
- B.
5 volts
- C.
120 volts
- D.
110 volts
- E.
12 volts
Correct Answer(s)
A. 3.3 volts
B. 5 volts
E. 12 voltsExplanation
An ATX power supply supplies voltages of 3.3 volts, 5 volts, and 12 volts. These voltages are commonly used in computer systems to power various components such as the motherboard, hard drives, and peripherals. The 3.3 volts and 5 volts are used for low-power components, while the 12 volts is used for higher-power components such as the CPU and graphics card. The other options of 120 volts and 110 volts are not correct as they are the standard voltage supplied by wall outlets and not by an ATX power supply.Rate this question:
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- 15.
How would you fix a computer whose IDE controller has gone bad? (choose 2)
- A.
Install a hard drive with a built in controller.
- B.
Replace the motherboard
- C.
Replace the Hard drive
- D.
Install an IDE card
Correct Answer(s)
B. Replace the motherboard
D. Install an IDE cardExplanation
To fix a computer with a bad IDE controller, you can replace the motherboard or install an IDE card. The IDE controller is integrated into the motherboard, so replacing the motherboard would ensure that the faulty controller is replaced. Alternatively, you can install an IDE card, which is an expansion card that provides additional IDE controller ports. This would bypass the faulty controller on the motherboard and allow you to connect IDE devices directly to the IDE card.Rate this question:
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- 16.
What is used to create the image of a page on the drum when using a laser printer?
- A.
Drum Charge
- B.
Laser
- C.
Cleaner
- D.
Corona Wire
Correct Answer
D. Corona WireExplanation
The corona wire is used to create the image of a page on the drum in a laser printer. The corona wire is a thin wire that is charged with high voltage. It creates an electrostatic field that attracts toner particles onto the drum, forming the image of the page. This image is then transferred onto the paper through a combination of heat and pressure, resulting in the final printed output.Rate this question:
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- 17.
Raid 1 is also known as _________?
- A.
Data Striping
- B.
Data Striping with parity
- C.
Disk Mirroring
- D.
Data Transfer with parity
Correct Answer
C. Disk MirroringExplanation
Raid 1 is also known as Disk Mirroring because it involves creating an exact copy or mirror of data on two separate drives. In this configuration, data is simultaneously written to both drives, providing redundancy and ensuring that if one drive fails, the data can still be accessed from the other drive. This setup offers high data availability and protection against drive failures, making it suitable for applications that require high reliability and fault tolerance.Rate this question:
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- 18.
Serial ATA Standard transfer rates begin at ______?
- A.
33MBps
- B.
133MBps
- C.
100MBps
- D.
66MBps
- E.
150MBps
Correct Answer
D. 66MBpsExplanation
The correct answer is 66MBps. Serial ATA (SATA) is a computer bus interface used to connect host bus adapters to mass storage devices. The SATA standard transfer rates start at 1.5 Gbps, which is equivalent to 150MBps. However, the maximum achievable transfer rate in practice is around 66MBps due to various factors such as overhead and other limitations. Therefore, the correct answer is 66MBps.Rate this question:
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- 19.
Which network topology uses a single coax trunk cable and is terminated at both ends?
- A.
Mesh
- B.
Bus
- C.
Star
- D.
Extended Star
- E.
Token
Correct Answer
B. BusExplanation
The bus network topology uses a single coax trunk cable that runs through all the devices and is terminated at both ends. In this topology, all the devices are connected to the main cable, and data is transmitted in both directions. When a device wants to transmit data, it sends it onto the main cable, and all other devices on the network receive the data simultaneously. This topology is simple and cost-effective, but if the main cable fails, the entire network can be affected.Rate this question:
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- 20.
What controls the amount of RAM a CPU can control or address
- A.
Number of memory slots the Motherboard has
- B.
Width of the address bus
- C.
Memory type
- D.
Operating system
- E.
BIOS
Correct Answer
B. Width of the address busExplanation
The width of the address bus determines the amount of RAM that a CPU can control or address. The address bus is responsible for carrying memory addresses from the CPU to the RAM, and the width of the address bus determines the number of addressable memory locations. A wider address bus allows for a larger range of memory addresses, which in turn allows the CPU to control or address a larger amount of RAM. Therefore, the width of the address bus is a crucial factor in determining the amount of RAM that a CPU can handle.Rate this question:
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- 21.
Which of the following IRQ's does Com 1 use by default
- A.
5
- B.
6
- C.
10
- D.
3
- E.
4
Correct Answer
E. 4Explanation
Com 1 uses IRQ 4 by default. IRQ stands for Interrupt Request and it is used by hardware devices to request attention from the CPU. Com 1 is a serial port used for communication with external devices. IRQ 4 is commonly assigned to Com 1 in order to handle the interrupt requests generated by this port.Rate this question:
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- 22.
USB 2.0 is combatable with USB 1.1
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
USB 2.0 is compatible with USB 1.1 because USB 2.0 is designed to be backward compatible with USB 1.1. This means that devices using USB 2.0 can still work with USB 1.1 ports, albeit at a slower speed. USB 2.0 introduced faster data transfer rates and improved power management compared to USB 1.1, but it maintained the same physical connector and signaling method. Therefore, USB 2.0 devices can be connected to USB 1.1 ports, ensuring compatibility between the two versions.Rate this question:
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- 23.
At which end do you terminate the SCSI Bus?
- A.
At each SCSI device on the bus
- B.
Between the host adapter and the first device
- C.
At the host adapter only
- D.
Both the host adapter and the last device in the chain
Correct Answer
D. Both the host adapter and the last device in the chainExplanation
The SCSI bus is terminated at both the host adapter and the last device in the chain. Termination is necessary to prevent signal reflections and ensure proper signal transmission on the bus. The host adapter is terminated to prevent signals from bouncing back towards the source, while the last device in the chain is terminated to absorb the signals and prevent them from reflecting back into the bus. This ensures that the signals travel smoothly along the bus without any interference or degradation.Rate this question:
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- 24.
You just installed a new SCSI disk drive into an existing computer system. You set the SCSI ID of the new drive to 7. You cannot get the new SCSI drive to boot. What's the most likely cause? [Choose the best answer]
- A.
The drive is not properly terminated
- B.
The SCSI ID of the HBA is set to 7 by default
- C.
The drive is defective and needs to be replaced
- D.
The SCSI ID is not valid
Correct Answer
A. The drive is not properly terminatedExplanation
The most likely cause for the new SCSI drive not being able to boot is that it is not properly terminated. Termination is an important aspect of SCSI devices, as it ensures that signals on the SCSI bus do not reflect back and cause communication issues. If the new drive is not terminated correctly, it can disrupt the communication between the drive and the rest of the system, preventing it from booting properly.Rate this question:
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- 25.
USB is an acronym for what?
- A.
Universal System Bios
- B.
Universal System Bus
- C.
Universal Serial Bus
- D.
Universal Standard Bus
Correct Answer
C. Universal Serial BusExplanation
USB stands for Universal Serial Bus. It is a standard interface that allows communication between devices and a host controller. The USB technology is widely used for connecting various peripherals such as keyboards, mice, printers, and storage devices to computers. The term "serial" in the acronym indicates that data is transferred in a serial manner, one bit at a time. The term "universal" represents the widespread adoption and compatibility of USB across different devices and operating systems.Rate this question:
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- 26.
When a piece of paper comes out of a laser printer almost completely black, the primary corona has failed to properly charge the _____________ ?
- A.
Rollers
- B.
EP Drum
- C.
Fuser
- D.
Toner
Correct Answer
B. EP DrumExplanation
When a piece of paper comes out of a laser printer almost completely black, it indicates that the EP Drum has failed to properly charge. The EP Drum, also known as the photosensitive drum, is responsible for receiving an electrical charge from the primary corona wire. This charge attracts toner particles, which are then transferred onto the paper to create the printed image. If the EP Drum fails to hold or receive the charge properly, it will not attract enough toner particles, resulting in a nearly black printout.Rate this question:
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- 27.
What IRQ is used for the Primary IDE hard disk controller?
- A.
1
- B.
5
- C.
13
- D.
14
- E.
15
Correct Answer
D. 14Explanation
The Primary IDE hard disk controller uses IRQ 14.Rate this question:
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- 28.
Which of the following is true about CMOS & BIOS (Select all correct answers)
- A.
The BIOS and CMOS are totally unrelated
- B.
CMOS stands for Complementary Metal Oxygen Sulphide
- C.
The BIOS can be configured with information about system components in the setup screen that can be accessed durin bootup
- D.
The BIOS is the Basic Input Output System
Correct Answer(s)
C. The BIOS can be configured with information about system components in the setup screen that can be accessed durin bootup
D. The BIOS is the Basic Input Output SystemExplanation
The BIOS can be configured with information about system components in the setup screen that can be accessed during bootup. This means that the user can access the BIOS setup screen during the boot process to modify settings related to the computer's hardware components.
The BIOS is the Basic Input Output System, which is a firmware that is responsible for the initialization and booting of the computer system. It provides the basic functions for the computer to interact with its hardware components and perform input and output operations.Rate this question:
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- 29.
Where would you find a SO-DIMM Chip? (Select all that apply)
- A.
In a Laser printer
- B.
In an older IBM ATX machine
- C.
In a laptop
- D.
In a PDA
- E.
On the newer Dual Core hardware motherboards
Correct Answer(s)
C. In a laptop
D. In a PDAExplanation
SO-DIMM stands for Small Outline Dual In-Line Memory Module, which is a type of memory chip used in computers and electronic devices. It is smaller in size compared to regular DIMM chips and is commonly found in laptops and PDAs. Therefore, it is correct to say that you would find a SO-DIMM chip in a laptop and in a PDA.Rate this question:
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- 30.
If a SCSI host adapter were controlling both external and internal devices where would the terminators need to be located?
- A.
At the physical ends of the bus
- B.
Between the internal devices and the host adapter and between the external devices and the host adapter.
- C.
Between each device on the SCSI bus
- D.
Only on the External bus
- E.
On each side of the host adapter
Correct Answer
A. At the pHysical ends of the busExplanation
In a SCSI setup where the host adapter controls both external and internal devices, the terminators need to be located at the physical ends of the bus. Terminators are electrical components that are used to match impedance and prevent signal reflections on the SCSI bus. By placing terminators at the physical ends of the bus, the signals are properly terminated and any reflections are minimized, ensuring efficient communication between the devices.Rate this question:
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- 31.
At which clock speed should a Pentium 200 be run?
- A.
200MHz
- B.
133MHz
- C.
233MHz
- D.
266MHz
Correct Answer
A. 200MHzExplanation
A Pentium 200 should be run at 200MHz because the clock speed of a processor determines how many instructions it can execute per second. In this case, the Pentium 200 is designed to run at a clock speed of 200MHz, meaning it can execute 200 million instructions per second. Running it at a lower or higher clock speed would result in decreased or increased performance, respectively. Therefore, to achieve optimal performance, the Pentium 200 should be run at its specified clock speed of 200MHz.Rate this question:
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- 32.
You just installed a Sound blaster audio card in a new PC. What IRQ is the default setting for the sound card?
- A.
13
- B.
15
- C.
8
- D.
5
- E.
10
Correct Answer
D. 5Explanation
The default IRQ setting for a Sound Blaster audio card is 5.Rate this question:
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- 33.
LPT1 uses which of the following IRQ?
- A.
2
- B.
7
- C.
5
- D.
3
- E.
6
Correct Answer
B. 7Explanation
LPT1, also known as the Line Printer Terminal 1, typically uses IRQ 7. IRQ stands for Interrupt Request and is a mechanism used by devices to communicate with the CPU. In the case of LPT1, IRQ 7 is commonly used to handle interrupts related to parallel printer ports. This allows the printer to send signals to the CPU when it requires attention or when data needs to be transferred. Therefore, the correct answer is 7.Rate this question:
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- 34.
What is the Brain of the computer?
- A.
BIOS
- B.
CMOS
- C.
CPU
- D.
CACHE
Correct Answer
C. CPUExplanation
The brain of the computer is the CPU (Central Processing Unit). It is responsible for executing instructions, performing calculations, and managing the overall operation of the computer. The CPU is considered the most important component of a computer as it performs all the necessary tasks required for the computer to function properly. It processes data and carries out instructions from various hardware and software components, making it the central hub of the computer's operations.Rate this question:
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- 35.
Which of the following are Standard computer bus types? (Choose all that apply)
- A.
Memory
- B.
Power
- C.
Address
- D.
I/O
- E.
IRQ
Correct Answer(s)
A. Memory
C. Address
D. I/OExplanation
Memory, Address, and I/O are all standard computer bus types. A computer bus is a communication pathway that allows various components of a computer system to transfer data and signals between each other. Memory buses are used to transfer data between the CPU and the computer's memory. Address buses are used to specify the location in memory or I/O space that the CPU wants to read from or write to. I/O buses are used to transfer data between the CPU and peripheral devices such as keyboards, mice, and printers. Therefore, Memory, Address, and I/O are all examples of standard computer bus types.Rate this question:
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- 36.
When reinstalling the system board you will notice 2 identical connectors that connect the power supply to the motherboard. If you forgot to mark which one goes where you can use what rule to get the correct.
- A.
Red wire goes to the outside of both connectors
- B.
Red to Red or it's dead, meaning place the red wires so that the red wire is on the right of the left connector and the left of the right connector
- C.
Connectors are identical and it doenst matter which one you place where
- D.
Black to black, back to back. Meaning place the black wires so that the black wire on is on the right side of the left connector and the left side of the right connector.
Correct Answer
A. Red wire goes to the outside of both connectorsExplanation
The correct answer is that the red wire goes to the outside of both connectors. This means that when reinstalling the system board, the red wire should be placed on the right side of the left connector and the left side of the right connector. This rule ensures that the power supply is correctly connected to the motherboard.Rate this question:
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- 37.
When booting the system you notice on the screen "Floppy Disk Fail" what would the problem most likely be?
- A.
This message is normal for PC that dont have a Floppy Drive
- B.
The floppy drive is not functioning
- C.
The floppy disk controller or cable is bad
- D.
You are booting from a non-bootable floppy drive
Correct Answer
D. You are booting from a non-bootable floppy driveExplanation
The correct answer is "You are booting from a non-bootable floppy drive." This means that the system is trying to boot from a floppy drive that does not contain a bootable disk. This could be due to a disk that is not properly formatted or does not have the necessary boot files.Rate this question:
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- 38.
What is the purpose of the Primary Corona?
- A.
The primary corona is responsible for charging the paper to a positive charge to pull the toner off the drum and onto the paper
- B.
The primary corona is responsible for transferring the image from the drum to the paper
- C.
The primary corona is responsible for the creations of an electrical field that changes the voltage on the drum to a negative 600 volts
- D.
The primary corona is responsible for charging the drum to 600v to prepare it for the image.
Correct Answer
A. The primary corona is responsible for charging the paper to a positive charge to pull the toner off the drum and onto the paperExplanation
The primary corona is responsible for charging the paper to a positive charge to pull the toner off the drum and onto the paper. This is necessary for the printing process as the toner needs to be attracted to the paper in order to create the image. By charging the paper to a positive charge, the toner particles are able to adhere to the paper and form the desired image.Rate this question:
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- 39.
What is the Max length of a Parallel cable?
- A.
9 feet
- B.
15 feet
- C.
12 meters
- D.
12 feet
Correct Answer
B. 15 feetExplanation
The correct answer is 15 feet. This is because the maximum length of a parallel cable, which is used to connect devices such as printers and scanners to a computer, is typically limited to 15 feet. Beyond this length, signal degradation and loss of data integrity can occur. Therefore, it is important to ensure that the cable length does not exceed this limit in order to maintain optimal performance and reliability.Rate this question:
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- 40.
In which of the following sockets does a Pentium II XEON or Pentium III XEON fit?
- A.
Super socket 7
- B.
Slot A
- C.
Slot II
- D.
Socket 423
- E.
Slot 1
Correct Answer
C. Slot IIExplanation
The correct answer is Slot II. The Pentium II XEON and Pentium III XEON processors are designed to fit into Slot II sockets.Rate this question:
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- 41.
Which of the following ports used for a printer is typically configured as IRQ7?
- A.
USB
- B.
Infrared
- C.
Parallel port
- D.
Serial port
Correct Answer
C. Parallel portExplanation
The parallel port is typically configured as IRQ7 for a printer. This port is commonly used for connecting printers to computers and allows for faster data transfer compared to other ports. IRQ7 is a specific interrupt request line that is used to manage communication between the printer and the computer's operating system. By configuring the parallel port as IRQ7, the printer can effectively communicate with the computer and perform printing tasks efficiently.Rate this question:
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- 42.
Which printer type relies heavily on static charges to perform its printing operations?
- A.
Laser
- B.
Bubble Jet
- C.
Injet
- D.
Dot Matrix
- E.
Daisy wheel
Correct Answer
A. LaserExplanation
Laser printers rely heavily on static charges to perform their printing operations. They use a laser beam to create an electrostatic image on a drum, which is then transferred onto the paper using toner. The static charge helps the toner particles adhere to the drum and then to the paper, resulting in high-quality prints. This method allows for precise and fast printing, making laser printers a popular choice for professional and high-volume printing needs.Rate this question:
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- 43.
Which of the following devices uses IRQ 13 by default?
- A.
System Timer
- B.
Mouse
- C.
Primary IDE Channel
- D.
Math Coprocessor
- E.
Com1/Com3
Correct Answer
D. Math CoprocessorExplanation
The Math Coprocessor uses IRQ 13 by default. IRQ (Interrupt Request) is a signal sent to the computer's CPU to request attention or to indicate that a specific device needs to be serviced. Each device in a computer system is assigned a specific IRQ number. The Math Coprocessor is a specialized chip that assists the CPU in performing complex mathematical calculations. It requires IRQ 13 to communicate with the CPU and receive instructions. Therefore, the Math Coprocessor uses IRQ 13 by default.Rate this question:
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- 44.
What type of PCMCIA slots are often used for modem PC cards
- A.
Type I
- B.
Type III
- C.
Type IV
- D.
Type II
Correct Answer
A. Type IExplanation
Type I PCMCIA slots are often used for modem PC cards. These slots are the thinnest and are commonly found in laptops and other portable devices. Type I slots are suitable for smaller devices that require a compact form factor. Modem PC cards are typically smaller in size and do not require the additional space provided by Type II or Type III slots. Type IV slots are rarely used and are larger in size, making them less suitable for modem PC cards.Rate this question:
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- 45.
When booting a computer, you receive the following message after the Power-On Self-Test (POST): "Immediately backup up your data and replace your hard disk drive. A failure may be imminent." This message is an example of what technology?
- A.
ACPI
- B.
SMART
- C.
SCSI
- D.
ATAPI
- E.
UART
Correct Answer
B. SMARTExplanation
The message "Immediately backup up your data and replace your hard disk drive. A failure may be imminent" is an example of the SMART (Self-Monitoring, Analysis, and Reporting Technology) technology. SMART is a system built into computer hard drives that monitors various parameters of the drive's health and performance. When certain thresholds are reached, such as potential failure of the drive, it triggers warnings like the one mentioned in the message. This technology helps users take necessary actions to prevent data loss and hardware failure.Rate this question:
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- 46.
After replacing the floppy drive, when you restart the computer, the drive light goes on and stays on. What is the most likely cause of the problem?
- A.
The floppy drive cable is faulty
- B.
The floppy drive is not set up correctly in the BIOS
- C.
The floppy drive data cable is not connected to the motherboard correctly
- D.
The floppy drive power cable is not connected
Correct Answer
C. The floppy drive data cable is not connected to the motherboard correctlyExplanation
The most likely cause of the problem is that the floppy drive data cable is not connected to the motherboard correctly. This can result in the drive light staying on because the data cable is responsible for transmitting information between the floppy drive and the motherboard. If the cable is not properly connected, the drive may not be able to communicate with the computer, causing the light to remain on.Rate this question:
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- 47.
Which of the following symptoms indicate IRQ conflicts? (Select all that apply)
- A.
The system frequently locks up
- B.
When you use the modem, the printer doesn't work; otherwise the printer is fine
- C.
The mouse doesnt work
- D.
The system audio sounds are broken up
Correct Answer(s)
A. The system frequently locks up
B. When you use the modem, the printer doesn't work; otherwise the printer is fineExplanation
IRQ conflicts can cause various symptoms, including the system frequently locking up and the printer not working when the modem is in use. These symptoms suggest that there may be a conflict between the IRQ assignments of the modem and the printer. The mouse not working and broken up system audio are not necessarily indicative of IRQ conflicts and could be caused by other issues.Rate this question:
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- 48.
NWLINK is a protocol designed for compatibility with which network operating system?
- A.
Lantastic
- B.
Novell Netware
- C.
Linux
- D.
Unix
- E.
Apple talk
Correct Answer
B. Novell NetwareExplanation
NWLINK is a protocol that was specifically designed to be compatible with Novell Netware. This means that it is optimized to work seamlessly with the Novell Netware network operating system. The protocol allows for efficient communication and data transfer between devices and servers running on the Novell Netware platform. It is not designed for compatibility with other network operating systems such as Lantastic, Linux, Unix, or AppleTalk.Rate this question:
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- 49.
Dan called to report that when he tries to access his floppy drive, he gets the following message: General failure reading drive A:, Abort, Retry, Fail? Which of the following is NOT a possible cause of this error?
- A.
The Disk in the drive is not formatted
- B.
The disk does not have an operating system on it
- C.
There isn't a disk in the drive
- D.
The floppy disk is badly corrupted
Correct Answer
B. The disk does not have an operating system on itExplanation
The error message "General failure reading drive A:, Abort, Retry, Fail?" suggests that the computer is unable to read the floppy drive. The possible causes mentioned in the options are all related to issues with the disk itself, such as formatting, presence of an operating system, or corruption. However, the option "The disk does not have an operating system on it" is not a possible cause because the error message does not indicate any problem with the operating system.Rate this question:
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- 50.
Which of the following components in a laser printer are most likely to cause a paper jam?
- A.
Laser fuser
- B.
Photosensitive Drum
- C.
Scanning Mirror
- D.
Primary corona
- E.
Transfer corona
Correct Answer
B. pHotosensitive DrumExplanation
The photosensitive drum in a laser printer is most likely to cause a paper jam. The photosensitive drum is responsible for transferring the toner onto the paper during the printing process. If the drum becomes damaged or dirty, it can cause the toner to stick to the drum or not transfer properly onto the paper. This can result in paper jams as the paper gets stuck due to the improper transfer of toner.Rate this question:
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Mar 22, 2022Quiz Edited by
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Feb 21, 2007Quiz Created by
NHCharlotte
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