Input and Output Devices Practice Question and Answer

Q:

The devices by which the results obtained from the computer are obtained are called ------ devices.

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  • 1
    input devices
    Correct
    Wrong
  • 2
    output devices
    Correct
    Wrong
  • 3
    indirect devices
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 2. "output devices"

Q:

A multi-functional printer includes:

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    Printer
    Correct
    Wrong
  • 2
    Scanner
    Correct
    Wrong
  • 3
    Copier
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Includes a multi-functional printer.

- printer

- scanner

- copier

Q:

What are the two types of output devices?

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    Windows XP 3 Linux
    Correct
    Wrong
  • 2
    Floppy and CD
    Correct
    Wrong
  • 3
    Keyboard and mouse
    Correct
    Wrong
  • 4
    Monitor and Printer
    Correct
    Wrong
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Answer : 4. "Monitor and Printer"
Explanation :

An output device is a computer hardware device that displays or reproduces information processed by a computer in human-readable form. Output devices usually receive information from the computer through an input device, such as a mouse or keyboard.

Some examples of output devices include-

1. Monitor: A monitor is a visual output device that displays images generated by a computer.

2. Printer: A printer is a physical output device that prints computer-generated documents on paper.

3. Speaker: A speaker is an audio output device that reproduces the sound produced by the computer.

4. Headphone: A headphone is a personal audio output device that reproduces the sound generated by a computer solely for the user to hear.

5. Projector: A projector is similar to a monitor, but it projects images onto a larger screen.

6. GPS Device: A GPS device is an output device that displays its current location to the user on a map or other view.

7. Braille Reader: A Braille reader is an output device that displays computer-generated information in Braille for visually impaired people.

Q:

Which printer prints data or images by spraying small droplets of ink at high speed onto the surface of the paper?

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    Inkjet printer
    Correct
    Wrong
  • 2
    Laser Printer
    Correct
    Wrong
  • 3
    Dot matrix printer
    Correct
    Wrong
  • 4
    Drum printer
    Correct
    Wrong
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Answer : 1. "Inkjet printer"
Explanation :

1. Ink printers which are used to spray small droplets of ink on paper.

2. An inkjet printer is a computer accessory that prints text documents and photos on paper using tiny droplets of ink.

3. Color printing copies can be made using a conventional inkjet printer with a resolution of 1200 x 1440 dpi.

Q:

There are two types of output devices:

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  • 1
    keyboard and mouse
    Correct
    Wrong
  • 2
    Windows 2000 and Windows NT
    Correct
    Wrong
  • 3
    Floppy disk and CD
    Correct
    Wrong
  • 4
    Monitor and Printer
    Correct
    Wrong
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Answer : 4. "Monitor and Printer"
Explanation :

An output device is a computer hardware device that displays or reproduces information processed by a computer in human-readable form. Output devices usually receive information from the computer through an input device, such as a mouse or keyboard.

Some examples of output devices include-

1. Monitor: A monitor is a visual output device that displays images generated by a computer.

2. Printer: A printer is a physical output device that prints computer-generated documents on paper.

3. Speaker: Speaker is an audio output device that reproduces the sound produced by the computer.

4. Headphone: A headphone is a personal audio output device that reproduces the sound generated by a computer solely for the user to hear.

5. Projector: A projector is similar to a monitor, but it projects images onto a larger screen.

6. GPS Device: A GPS device is an output device that displays its current location to the user on a map or other view.

7. Braille Reader: A Braille reader is an output device that displays computer-generated information in Braille for visually impaired people.

Q:

Which of these runs on Computer hardware and provides a platform to run other software?

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  • 1
    Operating system
    Correct
    Wrong
  • 2
    Application software
    Correct
    Wrong
  • 3
    Both (A) and (B)
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Operating system"
Explanation :

1. The operating system runs on computer hardware and provides the platform to run other software.

2. The computer takes the help of various devices and programs to do its work. There is a separate and special computer program to handle these devices and programs, this special master program is known as the operating system.

3. Operating System, in short form is called OS, is a computer program which operates other computer programs. The operating system acts as an intermediary between users and the computer system. It explains our instructions to the computer. Other software programs and hardware are operated through the operating system.

Q:

Which of the following is an example of an input device?

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  • 1
    Printer
    Correct
    Wrong
  • 2
    scanner
    Correct
    Wrong
  • 3
    speaker
    Correct
    Wrong
  • 4
    Monitor
    Correct
    Wrong
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Answer : 2. "scanner"
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.

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