Computer GK Practice Question and Answer

Q:

Register is a high-speed memory element, which is located in -

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    in memory of
    Correct
    Wrong
  • 2
    CPU
    Correct
    Wrong
  • 3
    input/output unit
    Correct
    Wrong
  • 4
    in ROM or EPROM
    Correct
    Wrong
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Answer : 4. "in ROM or EPROM"

Q:

Ellipse Motion is a predefined ________

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    design template
    Correct
    Wrong
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    color scheme
    Correct
    Wrong
  • 3
    animation scheme
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 3. "animation scheme"

Q:

3 A nibble is equal to bits.

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    4
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
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    16
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
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Answer : 1. " 4"
Explanation :

Actually, a nibble consists of 4 bits, not 3. In computing, a nibble is a unit of data that consists of 4 bits, which can represent 16 different values (2^4). Each nibble can be expressed as a single hexadecimal digit (0 to F, where F represents 15 in decimal) and is half of a byte, which consists of 8 bits. So, 4 bits make up one nibble.


Q:

Ink-jet printers or band printers are classified as –

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    Character Printers
    Correct
    Wrong
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    Ink Printers
    Correct
    Wrong
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    Line Printers
    Correct
    Wrong
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    Off-Band Printers
    Correct
    Wrong
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Answer : 1. "Character Printers"
Explanation :

Ink-jet printers or band printers are classified based on the printing method.

Q:

Laser printer resolution is specified in terms of:

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    DPI
    Correct
    Wrong
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    LPM
    Correct
    Wrong
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    CPM
    Correct
    Wrong
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    LSI
    Correct
    Wrong
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Answer : 1. "DPI "
Explanation :

Laser printer resolution is specified in terms of DPI, which stands for Dots Per Inch. DPI refers to the number of dots a printer can place within one square inch of space on a printed page. Higher DPI values generally result in sharper and more detailed printouts. Laser printers typically offer higher DPI resolutions, such as 600 DPI or 1200 DPI, leading to high-quality text and graphics output.


Q:

What is meant by Microsoft Office Picture Manager?

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  • 1
    Basic photo management software
    Correct
    Wrong
  • 2
    An application that helps in editing scanned documents.
    Correct
    Wrong
  • 3
    A scanning and OCR application
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Basic photo management software"
Explanation :

1. Microsoft Office Picture Manager is a raster graphics editor introduced in Microsoft Office 2003 and included until Office 2010.

  2. Microsoft Office Picture Manager refers to the basic picture management software.

Q:

What is the key combination to move down one paragraph in MS PowerPoint? 

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    down arrow
    Correct
    Wrong
  • 2
    shift+down arrow
    Correct
    Wrong
  • 3
    ctrl+down arrow
    Correct
    Wrong
  • 4
    Alt+Down Arrow
    Correct
    Wrong
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Answer : 3. "ctrl+down arrow "
Explanation :

Actually, in MS PowerPoint (and most other word processing applications), the key combination to move down one paragraph is "Enter". Pressing the "Enter" key moves the cursor to the next paragraph. If you want to move the cursor down one line within the same paragraph, you can use the "Down Arrow" key. There isn't a specific default key combination to move down one paragraph in PowerPoint; it's more about using the "Enter" key to start a new paragraph.

Q:

________ is an output device that is used for TV Like displays the output on the screen and it is also called visual display unit.

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    Printer
    Correct
    Wrong
  • 2
    monitor
    Correct
    Wrong
  • 3
    Plotter
    Correct
    Wrong
  • 4
    Projector
    Correct
    Wrong
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Answer : 2. "monitor"
Explanation :

An output device that is used for TV-like displays and shows the output on the screen is indeed called a monitor. It is also commonly referred to as a visual display unit (VDU). Monitors and VDUs are used to display visual information from computers and other electronic devices, allowing users to view text, images, videos, and other graphical content. They come in various types, including CRT (Cathode Ray Tube), LCD (Liquid Crystal Display), LED (Light Emitting Diode), and OLED (Organic Light Emitting Diode) monitors.

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