3d052 Vol. 2; 201-206
Some of the volume 2 questions, close your book and test your knowledge!
- 1.
Which original component is very susceptible to damage from electrostatic discharge?
- A.
Read only memory (ROM)
- B.
Basic input/output system (BIOS)
- C.
Complementary metal-oxide semiconductor (CMOS)
- D.
Electronic erasable programmable read only memory (EEPROM)
Correct Answer
C. Complementary metal-oxide semiconductor (CMOS)Explanation
The CMOS is very susceptible to damage from electrostatic discharge. CMOS is a type of semiconductor technology used in many electronic devices, including computer motherboards. It is sensitive to electrostatic discharge, which can occur when there is a buildup of static electricity on a person or object and then discharged to another object. This discharge can cause damage to the CMOS, leading to malfunction or failure of the electronic device. Therefore, it is important to handle CMOS components with caution and take necessary precautions to prevent electrostatic discharge.Rate this question:
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- 2.
What is considered as nonvolatile permanent memory?
- A.
Random access memory (RAM)
- B.
Read only memory (ROM)
- C.
Basic input/output system (BIOS)
- D.
Complementary metal-oxide semiconductor (CMOS)
Correct Answer
B. Read only memory (ROM)Explanation
Read only memory (ROM) is considered as nonvolatile permanent memory because it retains data even when the power is turned off. Unlike random access memory (RAM) which is volatile and loses data when the power is disconnected, ROM stores data permanently and cannot be modified or erased easily. ROM is commonly used to store firmware and software instructions that are essential for the functioning of a computer system, such as the BIOS and operating system. Therefore, ROM is the correct answer for the given question.Rate this question:
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- 3.
What is considered to be a computer's main storage?
- A.
Random access memory (RAM)
- B.
Read only memory (ROM
- C.
Basic input/output system (BIOS)
- D.
Complementary metal-oxide semiconductor (CMOS)
Correct Answer
A. Random access memory (RAM)Explanation
RAM is considered to be a computer's main storage because it is a volatile memory that allows the computer to store and access data quickly. It is used to temporarily store data that the computer is actively using, such as the operating system, applications, and files that are currently open. Unlike ROM, BIOS, and CMOS, RAM can be read from and written to, making it ideal for storing and retrieving data in real-time.Rate this question:
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- 4.
What is a form of firmware that contains the computer's startup instructions?
- A.
Cache
- B.
Basic input/output system (BIOS)
- C.
Complementary metal-oxide semiconductor (CMOS)
- D.
Electronic erasable programmable read only memory (EEPROM)
Correct Answer
B. Basic input/output system (BIOS)Explanation
The correct answer is Basic input/output system (BIOS). BIOS is a form of firmware that contains the computer's startup instructions. It is responsible for initializing and testing hardware components, loading the operating system, and providing low-level functions for the computer's operation.Rate this question:
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- 5.
What is defined as an asynchronous signal from a computer hardware device indicating the need for attention from a CPU or a synchronous event?
- A.
Cache
- B.
Buffer
- C.
Interface
- D.
Interrupt
Correct Answer
D. InterruptExplanation
An interrupt is defined as an asynchronous signal from a computer hardware device indicating the need for attention from a CPU or a synchronous event. When an interrupt occurs, it temporarily suspends the normal execution of the CPU and transfers control to a specific interrupt handler routine. This allows the CPU to handle time-sensitive or critical tasks, such as responding to input/output requests or handling errors, without wasting time continuously checking for events. Interrupts play a crucial role in multitasking and real-time systems, ensuring efficient and timely processing of various events and tasks.Rate this question:
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- 6.
Which controller component interprets an electronic signal, prioritizes it, and requests the attention of the CPU?
- A.
Disk request
- B.
Utility resource
- C.
Priority interrupt
- D.
Integrated resource
Correct Answer
C. Priority interruptExplanation
The correct answer is "Priority interrupt". In a computer system, a priority interrupt is a type of interrupt that is generated by a higher priority device or process, which requires immediate attention from the CPU. The priority interrupt controller component interprets the electronic signal from the device, prioritizes it based on its priority level, and requests the attention of the CPU so that the higher priority task can be executed without delay. This helps in ensuring that critical tasks are given precedence over lower priority tasks, improving the overall efficiency and responsiveness of the system.Rate this question:
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- 7.
Which interrupt request line number is normally used for the floppy disk controller?
- A.
2
- B.
4
- C.
6
- D.
8
Correct Answer
C. 6Explanation
The floppy disk controller typically uses interrupt request line number 6. This interrupt request line is used to handle various disk operations and communicate with the floppy disk drive. By using this interrupt request line, the computer can efficiently manage and control the data transfer between the system and the floppy disk drive.Rate this question:
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- 8.
Which is a term used to describe that data is whole or complete?
- A.
Driver
- B.
Parity Bit
- C.
Data Integrity
- D.
Error Correction
Correct Answer
C. Data IntegrityExplanation
Data integrity is the term used to describe that data is whole or complete. It refers to the accuracy, consistency, and reliability of data throughout its lifecycle. Data integrity ensures that data remains unchanged and uncorrupted, maintaining its quality and reliability. It involves measures such as validation, verification, and error detection to prevent data loss, corruption, or unauthorized modifications. Data integrity is crucial in ensuring the trustworthiness and usability of data for various purposes, such as decision-making, analysis, and reporting.Rate this question:
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- 9.
What is considered as a technique or method of checking data integrity?
- A.
Fault
- B.
Parity
- C.
Interrupt
- D.
Asynchronous
Correct Answer
B. ParityExplanation
Parity is considered as a technique or method of checking data integrity. It involves adding an extra bit to a group of bits to make the total number of 1s either even or odd. This extra bit, known as the parity bit, is then used to detect errors in the data transmission. By comparing the number of 1s in the received data with the parity bit, errors can be detected and corrected. Therefore, parity is an effective technique for ensuring data integrity.Rate this question:
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- 10.
Which is a very simple example of an error detecting code?
- A.
Interrupt
- B.
Parity bit
- C.
Asynchronous
- D.
Data Integrity
Correct Answer
B. Parity bitExplanation
A parity bit is a very simple example of an error detecting code. It is a single bit added to a binary code to detect errors during transmission. The parity bit is set to either 0 or 1, depending on the number of 1s in the code. If the number of 1s is odd, the parity bit is set to 1, making the total number of 1s even. If the number of 1s is already even, the parity bit is set to 0. During transmission, the receiver can check if the number of 1s in the received code matches the parity bit. If they don't match, an error is detected.Rate this question:
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- 11.
What is a way of utilizing a group of storage devices as if they were physically connected to a server when they are not?
- A.
Network attached storage (NAS)
- B.
Storage area network (SAN)
- C.
Redundant array of independent disks (RAID)
- D.
Array storage
Correct Answer
B. Storage area network (SAN)Explanation
A Storage Area Network (SAN) is a way of utilizing a group of storage devices as if they were physically connected to a server when they are not. SANs use a dedicated network to connect storage devices to servers, allowing multiple servers to access the storage devices simultaneously. This provides centralized storage management and allows for high-speed data transfers between servers and storage devices. Unlike Network Attached Storage (NAS), which connects storage devices directly to a local area network, SANs offer more flexibility and scalability in terms of storage capacity and performance.Rate this question:
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- 12.
What is an advantage of using a SAN architecture?
- A.
Ease of replacing the hard drive
- B.
Ease of replacing network connectivity
- C.
Ease of replacing the server
- D.
Multiple users can acess the server at once
Correct Answer
C. Ease of replacing the serverExplanation
Using a SAN architecture allows for ease of replacing the server because the storage is centralized in the SAN, separate from the server itself. This means that if a server needs to be replaced, the data and applications can easily be migrated to a new server without any disruption to the users accessing the data. This reduces downtime and allows for seamless server replacement, improving overall system availability and reliability.Rate this question:
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- 13.
What is the connection type of choice for a SAN?
- A.
Fibre Channel
- B.
ATA over Ethernet (AoE) < not a WoW term...
- C.
Small computer system interface (SCSI)
- D.
Internet small computer system interface
Correct Answer
A. Fibre ChannelExplanation
Fibre Channel is the preferred connection type for a Storage Area Network (SAN) because it provides high-speed, reliable, and scalable connectivity between servers and storage devices. It is specifically designed for storage networking and offers low latency and high bandwidth, making it suitable for the demanding requirements of SAN environments. Fibre Channel also supports features like zoning and multipathing, which enhance performance and ensure data integrity.Rate this question:
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- 14.
Which storage device can be easily connected to a network and appears as a network drive?
- A.
SAN
- B.
RAID
- C.
NAS
- D.
RHD
Correct Answer
C. NASExplanation
NAS stands for Network Attached Storage. It is a storage device that can be easily connected to a network and appears as a network drive. NAS devices are designed to provide centralized storage and file sharing capabilities to multiple users and devices on a network. They are commonly used in homes, small businesses, and larger enterprises to store and share files, backup data, and provide remote access to stored files. NAS devices typically have their own operating system and can be accessed and managed through a web-based interface or dedicated software.Rate this question:
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- 15.
Which storage device has the means of providing data storage reliability using multiple hard drives?
- A.
SAN
- B.
NAS
- C.
SCSI
- D.
RAID
Correct Answer
D. RAIDExplanation
RAID stands for Redundant Array of Independent Disks. It is a storage technology that combines multiple hard drives into a single logical unit to provide improved performance, data redundancy, and reliability. By distributing data across multiple drives, RAID can ensure that if one drive fails, the data can still be accessed from the remaining drives. This redundancy and fault tolerance make RAID an effective solution for data storage reliability.Rate this question:
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- 16.
The hard drives in a RAID array are presented to the server as....
- A.
1 single hard drive
- B.
A collection of hard drives
- C.
A single RAID array
- D.
A remote storage device
Correct Answer
A. 1 single hard driveExplanation
The hard drives in a RAID array are presented to the server as 1 single hard drive because RAID (Redundant Array of Independent Disks) technology combines multiple physical hard drives into a logical unit. This logical unit appears as a single hard drive to the server, providing improved performance, data redundancy, or both, depending on the RAID level used. Thus, the server interacts with the RAID array as if it were a single hard drive, simplifying the management and operation of the storage system.Rate this question:
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- 17.
Which technology is often used in RAID array that can be daisy chained?
- A.
Small computer system interface (SCSI)
- B.
Serial attached (SAS) SCSI
- C.
Serial advanced technology attachment (SATA)
- D.
Peripheral component interconnect express (PCIe)
Correct Answer
A. Small computer system interface (SCSI)Explanation
SCSI is often used in RAID arrays that can be daisy chained. SCSI allows multiple devices to be connected in a single chain, which is beneficial for RAID arrays as it allows for easy expansion and scalability. This means that additional drives can be added to the array without the need for additional cables or connections. SCSI also provides high data transfer rates and supports multiple devices on the same bus, making it a suitable choice for RAID arrays.Rate this question:
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- 18.
Which is not a characteristic of high order-languages?
- A.
They are nearly self-documenting
- B.
They use English like statements
- C.
Source codes that are written closest to machine language
- D.
Programs are transportable between computers with few changes
Correct Answer
C. Source codes that are written closest to machine languageExplanation
High-level languages are designed to be more user-friendly and abstracted from the low-level details of the machine. They use English-like statements and are nearly self-documenting, making them easier to read and understand. Additionally, one of the main advantages of high-level languages is that programs written in these languages are portable, meaning they can be run on different computer systems with minimal changes. However, high-level languages are not written closest to machine language. Instead, they are translated or compiled into machine code for execution on the computer.Rate this question:
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- 19.
What best describes programming machine code?
- A.
Another term for firmware
- B.
Statements that correspond to complex actions
- C.
Instructions in a form that is acceptable to the computer
- D.
Source code, that when compiled, is appropriate for the computer
Correct Answer
C. Instructions in a form that is acceptable to the computerExplanation
The answer "Instructions in a form that is acceptable to the computer" best describes programming machine code. Machine code consists of a set of instructions that are directly executed by the computer's hardware. These instructions are written in a low-level language that is specific to the computer's architecture and can be directly understood and executed by the computer without any further translation or interpretation.Rate this question:
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- 20.
Which selection is a set of markup symbols or codes inserted in a file intended for display on a web browser page?
- A.
Standard Generalized Markup Language (SGML)
- B.
Extensible Markup Language (XML)
- C.
Hypertext Markup Language (HTML)
- D.
Dynamic HTML (DHTML)
Correct Answer
C. Hypertext Markup Language (HTML)Explanation
HTML is the correct answer because it is a set of markup symbols or codes that are used to structure the content of a web page and define its layout and appearance. HTML tags are inserted into the file to indicate headings, paragraphs, links, images, and other elements that make up the web page. These tags are interpreted by web browsers to display the content correctly. SGML, XML, and DHTML are also markup languages, but they are not specifically designed for display on a web browser page.Rate this question:
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Mar 20, 2023Quiz Edited by
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Jun 17, 2011Quiz Created by
Helpinhand
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