Cms 101 - Terminology & Technology
(37).webp "Cms 101 - Terminology & Technology - Quiz")
Quiz in preparation for the CMS assessment 1
Questions and Answers
- 1.
What does CPU stand for?
- A.
Computer Processing Unit
- B.
Central Processing Unit
- C.
Communications Processing Unit
- D.
Core Processing Unit
Correct Answer
B. Central Processing UnitExplanation
The correct answer is Central Processing Unit. The CPU, or Central Processing Unit, is the primary component of a computer that performs most of the processing inside the computer. It carries out instructions of a computer program by performing basic arithmetic, logical, control, and input/output (I/O) operations. The CPU is often referred to as the "brain" of the computer as it is responsible for executing instructions and coordinating the activities of all the other hardware components.Rate this question:
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- 2.
What is a CPU Measured in?
- A.
Speed (GHZ), Bit Depth (Bits) & Type (Cores)
- B.
Size (GB), Rate (MHZ) & Type (Cores)
- C.
Size (MB), Rotations (RPM) & Type (Cores)
- D.
Functionality, Speed (Mhz) & Bit Depth (Bits)
Correct Answer
A. Speed (GHZ), Bit Depth (Bits) & Type (Cores)Explanation
The CPU (Central Processing Unit) is measured in terms of its speed (GHz), bit depth (Bits), and type (Cores). The speed of the CPU is measured in gigahertz (GHz) and represents how many instructions the CPU can execute per second. The bit depth refers to the number of bits that the CPU can process at a time, which determines the maximum amount of data it can handle. The type of CPU cores refers to the number of independent processing units within the CPU, which affects its multitasking capabilities and overall performance.Rate this question:
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- 3.
Which of the data interfaces is the fastest?
- A.
USB 1
- B.
SCSI
- C.
P-ATA
- D.
S-ATA
Correct Answer
D. S-ATAExplanation
S-ATA is the fastest data interface among the options provided. USB 1 has a maximum data transfer rate of 12 Mbps, SCSI has a maximum transfer rate of 80 Mbps, and P-ATA has a maximum transfer rate of 133 Mbps. In comparison, S-ATA has a maximum transfer rate of 600 Mbps or higher, making it the fastest option.Rate this question:
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- 4.
Which of the following external data interfaces is the fastest?
- A.
PS/2
- B.
Serial
- C.
Firewire
- D.
USB 1.0
Correct Answer
C. FirewireExplanation
Firewire is the fastest external data interface among the options provided. Firewire, also known as IEEE 1394, is capable of transferring data at high speeds, making it ideal for tasks that require fast data transfer rates, such as video editing or transferring large files. PS/2, Serial, and USB 1.0 are comparatively slower in terms of data transfer speeds.Rate this question:
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- 5.
Which of the following peices of software is accurately described as "A piece of software which enhances the capabilities of the OS"
- A.
Firmware
- B.
Driver
- C.
OS
- D.
Application
Correct Answer
D. ApplicationExplanation
An application is a piece of software that enhances the capabilities of the operating system (OS) by providing additional functionality or features. Applications are designed to perform specific tasks or provide specific services, such as word processing, photo editing, or web browsing. Unlike firmware, which is a type of software that is permanently stored on hardware devices, applications can be installed, updated, and removed from the OS as needed. Drivers, on the other hand, are software components that enable communication between the OS and hardware devices. While the OS itself provides the basic functions and manages the computer's resources, it is the applications that enhance and expand its capabilities.Rate this question:
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- 6.
Which of the following is an example of Open Source Software
- A.
AVG
- B.
Video Lan (VLC Media Player)
- C.
Norton (Symantec Systems)
- D.
Microsoft Word
Correct Answer
B. Video Lan (VLC Media Player)Explanation
Video Lan (VLC Media Player) is an example of Open Source Software because it is a free and open-source media player that can be freely used, modified, and distributed by anyone. It is developed by a community of volunteers and its source code is publicly available, allowing users to customize and improve the software according to their needs. This open approach promotes transparency, collaboration, and innovation within the software development community.Rate this question:
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- 7.
What is the primary discriminating factor of Open Source Software?
- A.
It can be downloaded for free
- B.
It is a program
- C.
You can download and update the source code
- D.
It is made independantly
Correct Answer
C. You can download and update the source codeExplanation
The primary discriminating factor of Open Source Software is that you can download and update the source code. This means that users have the freedom to view, modify, and distribute the code as per their requirements. Unlike proprietary software, where the source code is typically kept secret, open source software promotes transparency and collaboration among developers and users.Rate this question:
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- 8.
What do all digital devices communicate in?
- A.
Hex
- B.
Binary
- C.
Machine Code
- D.
English
Correct Answer
C. Machine CodeExplanation
Digital devices communicate in machine code, which is a low-level programming language consisting of binary instructions that the computer can directly execute. Machine code is specific to the hardware architecture of the device and is not easily readable or understandable by humans. It is the most fundamental form of communication for digital devices, allowing them to perform tasks and execute programs efficiently. Hex and binary are representations of machine code, while English is not a language that digital devices can directly understand and communicate in.Rate this question:
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- 9.
What does 0011 equal in decimal?
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
C. 3Explanation
0011 is a binary number, and in the decimal system, it is equivalent to the number 3. In binary, each digit represents a power of 2, so the rightmost digit is multiplied by 2^0, the second rightmost digit is multiplied by 2^1, and so on. In this case, the rightmost digit is 1, which is multiplied by 2^0, and the second rightmost digit is 1, which is multiplied by 2^1. Adding these values together, we get 3.Rate this question:
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- 10.
What does 1-A equal in decimal?
- A.
26
- B.
6
- C.
1610
- D.
1060
Correct Answer
A. 26Explanation
1-A is a hexadecimal number, where A represents the decimal value 10. To convert a hexadecimal number to decimal, each digit is multiplied by the corresponding power of 16 and then summed. In this case, 1 multiplied by 16^1 equals 16, and A (10) multiplied by 16^0 equals 10. Adding these together gives a decimal value of 26.Rate this question:
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- 11.
What does 11010011 equal in HEX?
- A.
13-3
- B.
3-D
- C.
D-3
- D.
F-4
Correct Answer
C. D-3Explanation
The given question asks for the hexadecimal equivalent of the binary number 11010011. The correct answer, D-3, represents the hexadecimal digits D and 3. In hexadecimal, D is equivalent to 13 in decimal and 1101 in binary, while 3 is equivalent to 3 in decimal and 0011 in binary. Therefore, the binary number 11010011 is equal to the hexadecimal number D3.Rate this question:
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- 12.
What does A-4 equal in binary
- A.
00110101
- B.
01101100
- C.
10101010
- D.
10100100
Correct Answer
D. 10100100Explanation
The binary number 10100100 represents the decimal number 164 in binary. This is because each digit in a binary number represents a power of 2, starting from the rightmost digit as 2^0, then 2^1, 2^2, and so on. Adding up the values of the digits in the binary number, we get 2^7 + 2^5 + 2^2 = 128 + 32 + 4 = 164. Therefore, A-4 equals 164 in binary.Rate this question:
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- 13.
What is the maximum value of an 8 bit word?
- A.
7
- B.
8
- C.
127
- D.
255
Correct Answer
D. 255Explanation
An 8-bit word can represent a total of 2^8 different values, ranging from 0 to 2^8-1. Therefore, the maximum value that an 8-bit word can hold is 255.Rate this question:
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- 14.
How is the quality of uncompressed audio defined?
- A.
Bit Rate
- B.
Length
- C.
Sample Rate & Bit Depth
- D.
Sample Depth & Bit Rate
Correct Answer
C. Sample Rate & Bit DepthExplanation
The quality of uncompressed audio is defined by its sample rate and bit depth. The sample rate refers to the number of samples taken per second, while the bit depth determines the number of bits used to represent each sample. A higher sample rate and bit depth result in a more accurate representation of the original audio signal, leading to higher quality audio.Rate this question:
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- 15.
In digital recording the sample rate defines?
- A.
The highest frequency (same as the sample rate)
- B.
The highest frequency (half the sample rate)
- C.
The dynamic range (same as the sample rate)
- D.
The dynamic range (half the sample rate)
Correct Answer
B. The highest frequency (half the sample rate)Explanation
The sample rate in digital recording refers to the number of samples taken per second to represent the analog audio signal. The highest frequency that can be accurately captured in the digital recording is determined by the Nyquist-Shannon sampling theorem, which states that the highest frequency that can be accurately represented is half the sample rate. This is because the waveform needs to be sampled at least twice per cycle to accurately represent it. Therefore, the correct answer is "The highest frequency (half the sample rate)."Rate this question:
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- 16.
What is the name of the type of compression which reduces file size by reducing quality?
- A.
Lossless
- B.
Lossy
- C.
Losslots
- D.
Uncompressed
Correct Answer
B. LossyExplanation
Lossy compression is a type of compression that reduces file size by reducing the quality of the data. This means that some data is permanently discarded during the compression process, resulting in a smaller file size but also a loss of detail or information. This type of compression is commonly used for multimedia files such as images, audio, and video, where a small decrease in quality may not be noticeable to the human eye or ear. Lossy compression allows for significant file size reduction, making it ideal for efficient storage and transmission of large media files.Rate this question:
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- 17.
Which of the following audio file types is losslessly compressed
- A.
Flac
- B.
Aiff
- C.
MP3
- D.
Wav
Correct Answer
A. FlacExplanation
Flac is the correct answer because it is a lossless audio file format. Lossless compression means that the audio quality is preserved during the compression process, resulting in an identical reproduction of the original audio. Flac files are able to achieve this by reducing the file size without sacrificing any audio data, making it a preferred choice for those who prioritize audio quality. On the other hand, MP3 is a lossy audio file format, which means that it sacrifices some audio data to achieve smaller file sizes, resulting in a slight degradation in audio quality. Aiff and Wav are also lossless audio file formats, but Flac is more commonly used due to its superior compression capabilities.Rate this question:
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- 18.
What audio file type is most appropriate for high quality recording on a Mac
- A.
Flac
- B.
Aiff
- C.
Mp3
- D.
Wav
Correct Answer
B. AiffExplanation
AIFF (Audio Interchange File Format) is the most appropriate audio file type for high-quality recording on a Mac. AIFF files are uncompressed and lossless, meaning they retain all the original audio data without any loss in quality. This format is commonly used in professional audio production and is supported by most Mac applications and devices. FLAC is also a lossless format, but it is not as widely supported on Mac systems. MP3 and WAV are both compressed formats, with MP3 being lossy and WAV being lossless, but they do not offer the same level of audio quality as AIFF.Rate this question:
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- 19.
What are the red-book standards for an audio CD
- A.
44,100hz, 16bit, 74min
- B.
44.1khz, 24bit, 74min
- C.
48khz 16bit, 80min
- D.
44.1hz, 16bit, 80min
Correct Answer
A. 44,100hz, 16bit, 74minExplanation
The red-book standards for an audio CD include a sampling rate of 44,100hz, a bit depth of 16bit, and a maximum playing time of 74 minutes. These standards were established by Sony and Philips in the 1980s and have since become the industry standard for audio CDs. The sampling rate of 44,100hz ensures high-quality sound reproduction, while the 16bit depth allows for a wide dynamic range. The maximum playing time of 74 minutes is determined by the physical size of the CD and the amount of data that can be stored on it.Rate this question:
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- 20.
What does LAN & WAN stand for?
- A.
Local Area Network, World Area Network
- B.
Local Area Network, Wide Area Network
- C.
Land Area Network, World Area Network
- D.
Land Area Network, Wide Area Network
Correct Answer
B. Local Area Network, Wide Area NetworkExplanation
LAN stands for Local Area Network, which refers to a network that covers a small geographical area, such as a home, office, or building. It allows computers and devices to connect and share resources within this limited area.
WAN stands for Wide Area Network, which refers to a network that covers a large geographical area, such as multiple buildings, cities, or even countries. It connects multiple LANs together, allowing for communication and data exchange over long distances.
Therefore, the correct answer is Local Area Network, Wide Area Network.Rate this question:
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- 21.
What does RAM & ROM stand for?
- A.
Read Access Memory & Read Only Memory
- B.
Wright Access Memory & Wright Only Memory
- C.
Random Access Memory & Read Over Memory
- D.
Random Access Memory & Read Only Memory
Correct Answer
D. Random Access Memory & Read Only MemoryExplanation
RAM stands for Random Access Memory, which is a type of computer memory that allows data to be read from and written to at high speeds. It is volatile memory, meaning that its contents are lost when the power is turned off. ROM stands for Read Only Memory, which is a type of computer memory that stores permanent data that cannot be modified or erased. It is non-volatile memory, meaning that its contents are retained even when the power is turned off.Rate this question:
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- 22.
What does I/O stand for?
- A.
On / Off
- B.
Interface Operating
- C.
Binary
- D.
Input / Output
Correct Answer
D. Input / OutputExplanation
I/O stands for Input/Output. It refers to the communication between a computer and the outside world. Input refers to the data or signals that are received by the computer, while output refers to the data or signals that are sent from the computer. This can include devices such as keyboards, monitors, printers, and network connections.Rate this question:
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- 23.
When interpreting specifications, you must ensure that?
- A.
Your hardware is greater than the minimum specifications
- B.
The minimum specifications are greater than your hardware
- C.
Your hardware is modern
- D.
The software is in disc format
Correct Answer
A. Your hardware is greater than the minimum specificationsExplanation
When interpreting specifications, it is important to ensure that your hardware meets or exceeds the minimum specifications required by the software or system. This ensures that your hardware is capable of running the software or system effectively and efficiently. If your hardware is not up to the minimum specifications, you may experience performance issues or the software may not run at all. Therefore, it is crucial to have hardware that is greater than the minimum specifications to ensure compatibility and optimal performance.Rate this question:
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Current Version
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May 19, 2023Quiz Edited by
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Dec 08, 2008Quiz Created by
Chris_s_brookes
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