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:

The printed output from the computer is often called:

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    Copy
    Correct
    Wrong
  • 2
    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
  • 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.

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:

Following are the types of LCD Panel:

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    Flat Panel and Laser
    Correct
    Wrong
  • 2
    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:

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.

Q:

Study the following information carefully and answer the given questions.
When a word and number arrangement is given an input line of words and numbers, it arranges them following a particular rule. The following is an illustration of input and rearrangement.
Input : 43 nobody chase 32 45 desk top feast 67 82 97 guess oracle 29
Step I : 43 nobody chase 32 45 desk feast 67 82 97 guess oracle top 29
Step II: 43 nobody chase 45 desk feast 67 82 97 guess top 29 oracle 32
Step III: chase 45 desk feast 67 82 97 guess top 29 oracle 32 nobody 43
Step IV: chase desk feast 67 82 97 top 29 oracle 32 nobody 43 guess 45
Step V: chase desk  82 97 top 29 oracle 32 nobody 43 guess 45 feast 67
Step VI: chase 97 top 29 oracle 37 nobody 43 guess 45 feast 67 desk 82
Step VII: top 29 oracle 37 nobody 43 guess 45 feast 67 desk 82 chase 97
And step VII is the last step oof the above arrangement. As per the rules followed in the step, find out the appropriate step for the given input.
Input: 35 quant hear cute 50 65 98 silent giant 71 82 19 oliver melody

Which of the following is step IV of the given input?

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    hear cute 65 98 giant 71 82 melody silent 19 quant 35 oliver 50.
    Correct
    Wrong
  • 2
    hear cute 98 65 giant 71 82 silent 19 quant 35 oliver 50 melody.
    Correct
    Wrong
  • 3
    hear cute quant 82 50 giant 35 19 65 98 silent 71 oliver melody.
    Correct
    Wrong
  • 4
    hear cute 98 giant 71 82 silent 19 quant 35 oliver 50 melody 65
    Correct
    Wrong
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Answer : 4. "hear cute 98 giant 71 82 silent 19 quant 35 oliver 50 melody 65"

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