Input and Output Devices Practice Question and Answer

Q:

An optical input device that scans and reads pencil pen marks on paper media?

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  • 1
    OMR
    Correct
    Wrong
  • 2
    Magnetic tape
    Correct
    Wrong
  • 3
    Punch card reader
    Correct
    Wrong
  • 4
    Optical scanner
    Correct
    Wrong
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Answer : 1. "OMR "
Explanation :

1. Optical Mark Reading (OMR) is a method of entering data into a computer system.

2. Optical mark readers read pencil or pen marks made in pre-determined positions on paper forms as answers to questions or tick list signs.

Q:

Joystick is a type of ______?

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  • 1
    Input device
    Correct
    Wrong
  • 2
    memory
    Correct
    Wrong
  • 3
    Output device
    Correct
    Wrong
  • 4
    Game
    Correct
    Wrong
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Answer : 1. "Input device"
Explanation :

1. The input device is the device that provides data and control signals to the computer.

2. Major examples of input devices -

- Keyboard, Mouse, Scanner, Joystick, Microphone, Magnetic Ink Character Recognition (MICR), Optical Character Reader (OCR), Touchpad, Touch Screen, Webcam.

Q:

Printer is an output device which converts _________ to ________.

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    soft copy, in soft copy
    Correct
    Wrong
  • 2
    soft copy, color copy
    Correct
    Wrong
  • 3
    soft copy, hard copy
    Correct
    Wrong
  • 4
    in hard copy, soft copy
    Correct
    Wrong
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Answer : 3. "soft copy, hard copy"

Q:

Which of the following is not an example of an output device?

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    Monitor
    Correct
    Wrong
  • 2
    printer
    Correct
    Wrong
  • 3
    Plotter
    Correct
    Wrong
  • 4
    Keyboard
    Correct
    Wrong
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Answer : 4. "Keyboard"

Q:

Joystick is mainly used for ________.

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  • 1
    to control the sound on the screen
    Correct
    Wrong
  • 2
    Computer gaming
    Correct
    Wrong
  • 3
    Text Enter
    Correct
    Wrong
  • 4
    print text
    Correct
    Wrong
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Answer : 2. "Computer gaming"
Explanation :

1. Joystick is mainly used for computer gaming.

2. What is Joystick? It is a small device whose primary purpose is to control an appliance. It works as an input device and helps the user navigate in different directions.

3. With the joystick, you can change your device by moving it up, down, left or right. It works according to the input you give and helps you control the device by tilting or rotating it.

Q:

The printed output from the computer is often called:

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    Copy
    Correct
    Wrong
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    Soft copy
    Correct
    Wrong
  • 3
    Hard copy
    Correct
    Wrong
  • 4
    Paper
    Correct
    Wrong
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Answer : 3. "Hard copy"
Explanation :

1. The output printed from the computer is called a hard copy.

2. “When we see any text or image or any design inside any computer software, then to make that design or text a document, with the help of a printer, with the help of a hard copy generator. If it is printed on paper, then that printed paper is called a Hard Copy”.

Q:

CPU and memory are located in:

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  • 1
    Extension Board
    Correct
    Wrong
  • 2
    Motherboard
    Correct
    Wrong
  • 3
    Storage device
    Correct
    Wrong
  • 4
    Output device
    Correct
    Wrong
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Answer : 2. "Motherboard"
Explanation :

1. The motherboard acts as a platform to connect all of the computer's components together.

2. It connects the CPU, memory, hard drive, optical drive, video card, sound card, and other ports and expansion cards directly or through cables.

3. It can be considered as the backbone of the computer.

4. The CPU is the brain of the computer, and it is responsible for executing program instructions and processing data. Memory provides short-term storage for computers,

5. It stores program instructions and data that is used by the CPU.

Q:

Full form of DVD is :

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  • 1
    Digital Versatile Disc
    Correct
    Wrong
  • 2
    Digital Video Disc
    Correct
    Wrong
  • 3
    Digital Video Definition
    Correct
    Wrong
  • 4
    Both (A) and (B)
    Correct
    Wrong
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Answer : 4. "Both (A) and (B)"
Explanation :

1. Digital Versatile Disc (DVD), sometimes also known as Digital Video Disc (DVD), is an optical disc storage media format for storing digital data.

2. DVD offers higher storage capacity than compact disc (CD) when having the same size.

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