Hardware Unit Test B.

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| By Mrldgriffin12

Mrldgriffin12

Community Contributor

Quizzes Created: 1 | Total Attempts: 280

Questions: 18 | Attempts: 280 | Updated: Mar 21, 2023

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Questions and Answers

1.

Explain the Flow of the computer.
2.

What is the memory capacity of most video cards?
- A.
  
  4 KB to 120 MB
- B.
  
  128 MB to 8 GB
- C.
  
  8 GB to 20 GB
Correct Answer
B. 128 MB to 8 GB

Explanation
Most video cards have a memory capacity ranging from 128 MB to 8 GB. This range allows video cards to store and process large amounts of data, such as high-resolution graphics and textures, which are essential for gaming and other graphics-intensive tasks. The memory capacity of a video card directly impacts its performance and ability to handle complex visual tasks efficiently.

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3.

How many voices did older sound cards accommodate?
- A.
  
  5
- B.
  
  3
- C.
  
  6
- D.
  
  1
Correct Answer
B. 3

Explanation
Older sound cards typically accommodated three voices. This means that they were capable of producing and playing back three different audio streams simultaneously. This feature allowed for more complex and layered sound effects and music in video games and multimedia applications.

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4.

What is the most common connection between the video card and the computer display?
- A.
  
  DVI
- B.
  
  S- Video
- C.
  
  VGA
Correct Answer
C. VGA

Explanation
The most common connection between the video card and the computer display is VGA. VGA (Video Graphics Array) is a widely used analog video interface that transmits video signals from the computer to the display. It is commonly found on older computers and displays, and it provides a reliable and standard connection for video output. DVI (Digital Visual Interface) and S-Video are also types of video connections, but VGA is the most common among them.

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5.

What is the numerical value of the Uppercase Letter A
- A.
  
  25
- B.
  
  56
- C.
  
  30
- D.
  
  65
Correct Answer
D. 65

Explanation
The numerical value of the uppercase letter A is 65. In ASCII, each character is assigned a unique numerical value. The uppercase letter A is assigned the value of 65.

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6.

A NIC Card typically has an ____ socket where the network cable is connected

Correct Answer
8P8C

Explanation
A NIC Card typically has an 8P8C socket where the network cable is connected. The 8P8C socket, also known as an RJ45 socket, is a standard connector used for Ethernet connections. It has eight pins that correspond to the eight wires in the network cable, allowing for a secure and reliable connection between the NIC Card and the network device.

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4
7.

Every NIC Card has a unique 48-bit serial number called a
- A.
  
  MAC address
- B.
  
  PCI address
- C.
  
  CAM address
Correct Answer
A. MAC address

Explanation
Every NIC card (Network Interface Card) has a unique 48-bit serial number known as a MAC address (Media Access Control address). This address is assigned by the manufacturer and is used to uniquely identify the network interface on a network. The MAC address is essential for communication between devices on a local area network (LAN) and is used in protocols such as Ethernet. It is different from other types of addresses like PCI address (Peripheral Component Interconnect address) and CAM address (Content Addressable Memory address) which serve different purposes in computer systems.

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8.

Choose the correct sequence for this Binary Code
- A.
  
  01100101
- B.
  
  01111001
- C.
  
  10000110
Correct Answer
C. 10000110

Explanation
The correct sequence for this Binary Code is 10000110.

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9.

What is the Numerical value of the uppercase letter A?
- A.
  
  56
- B.
  
  65
- C.
  
  26
Correct Answer
B. 65

Explanation
The numerical value of the uppercase letter A is 65. In ASCII code, each character is assigned a unique numerical value. The uppercase letter A is assigned the value 65.

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10.

Each byte holds how many bits?
- A.
  
  9
- B.
  
  7
- C.
  
  6
- D.
  
  8
Correct Answer
D. 8

Explanation
Each byte holds 8 bits.

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11.

When controllers are designated at 10/ 100/ 1000; what does this mean?
- A.
  
  Transfer rate of 10, 100 or 1000 Kilobits per second
- B.
  
  Transfer rate of 10, 100 or 1000 Megabits per second
- C.
  
  Transfer rate of 10, 100 or 1000 Gigabits per second
Correct Answer
B. Transfer rate of 10, 100 or 1000 Megabits per second

Explanation
When controllers are designated at 10/100/1000, it means that they have the capability to transfer data at a rate of either 10, 100, or 1000 Megabits per second. This designation refers to the maximum speed at which the controller can transmit data over a network connection.

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12.

What sound card company created a 9 voice sound polyphony
- A.
  
  AdLib
- B.
  
  Ansus
- C.
  
  Realtek
Correct Answer
A. AdLib

Explanation
AdLib is the correct answer because they were a sound card company that created a 9 voice sound polyphony. AdLib's sound card, the AdLib Music Synthesizer Card, was one of the first sound cards to offer high-quality sound reproduction for PCs in the late 1980s. It was known for its ability to produce up to 9 simultaneous voices, allowing for more complex and realistic audio in computer games and multimedia applications.

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13.

What am I?
- A.
  
  RAM, Temporary Memory
- B.
  
  Memory Module, Speed of the computer
- C.
  
  Bios, Wakes up the Computer
Correct Answer
C. Bios, Wakes up the Computer

Explanation
The BIOS (Basic Input/Output System) is responsible for waking up the computer when it is powered on. It is a firmware that is stored on a chip on the motherboard. The BIOS performs a power-on self-test (POST) to check the hardware components and then loads the operating system from the hard drive or other bootable devices. Without the BIOS, the computer would not be able to start up and function properly.

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14.

What am I?
- A.
  
  Processor, Speed of the computer
- B.
  
  Bios, Memory module
- C.
  
  ROM, Reading only Memory
Correct Answer
A. Processor, Speed of the computer

Explanation
The correct answer is "Processor, Speed of the computer." The processor is the central unit of a computer that carries out instructions and performs calculations. It is responsible for the overall speed and performance of the computer. The other options, such as BIOS (Basic Input/Output System) and ROM (Read-Only Memory), are not directly related to the speed of the computer but rather play different roles in the computer's functioning.

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15.

What am I?
- A.
  
  Sound Chip, I create viewing power
- B.
  
  Buffer, Creates a hard drive
- C.
  
  NIC Card, I allows computers to access the Internet
Correct Answer
C. NIC Card, I allows computers to access the Internet

Explanation
A NIC card, also known as a network interface card, is a hardware component that allows a computer to connect to a network and access the Internet. It provides the necessary interface for the computer to communicate with other devices on the network and transmit data. The other options mentioned, such as a sound chip and a buffer, do not have any relevance to accessing the Internet.

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16.

I allow the user the see images on the computer; I am the __________.

Correct Answer
Video Card

Explanation
The video card is responsible for generating and outputting images to the computer's display. It allows the user to see images on the computer by processing and rendering visual data.

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4
17.

What am I?

Correct Answer
Sound Card

Explanation
A sound card is a hardware device that allows a computer to output and input audio signals. It is responsible for processing and converting digital audio data into analog signals that can be played through speakers or headphones. It also enables the computer to record audio through a microphone or other input devices. A sound card enhances the audio quality and provides better sound capabilities for multimedia applications, gaming, and music production.

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4
18.
- A.
  
  S- Video, I have a 9-pin connection
- B.
  
  VGA, Video Graphics Array; I am the most popular form of video connection
- C.
  
  HDMI, , commonly used to connect video games, DVD Players, Surround Sound, and Receivers to displays
Correct Answer
C. HDMI, , commonly used to connect video games, DVD Players, Surround Sound, and Receivers to displays