Input and Output Questions 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:

Following are the types of LCD Panel:

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    Flat Panel and Laser
    Correct
    Wrong
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    Normal and Roof Mounted
    Correct
    Wrong
  • 3
    Mesh Model and Curved
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Normal and Roof Mounted"
Explanation :

1. LCD panel types include normal and roof-mounted.

2. Liquid Crystal Display flats are thinner and lighter making them more useful and easier for users than CRTs. It consumes less power than CRT.

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:

Full form of DVD is :

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    Digital Versatile Disc
    Correct
    Wrong
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    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.

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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    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.

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