General Computer Questions Practice Question and Answer

Q:

To delete a sentence from a document, you would use the following?

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  • 1
    Highlight and copy
    Correct
    Wrong
  • 2
    Cut and paste
    Correct
    Wrong
  • 3
    Copy and paste
    Correct
    Wrong
  • 4
    Highlight and delete
    Correct
    Wrong
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Answer : 4. "Highlight and delete"
Explanation :

To delete a sentence from a document, you would use highlight and delete.

Q:

How is the resolution of the screen shown?

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  • 1
    Dots
    Correct
    Wrong
  • 2
    Colors
    Correct
    Wrong
  • 3
    Pixels per inch
    Correct
    Wrong
  • 4
    Dot per inch
    Correct
    Wrong
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Answer : 3. "Pixels per inch"
Explanation :

1. PPI (pixels per inch) refers to display resolution, or, how many individual pixels are displayed in one inch of a digital image.

2. DPI (dots per inch) refers to printer resolution, or, the number of dots of ink on a printed image.

3. The physical size of an image refers to the dimensions in which it will print (ex: 8.5" x 11") or the pixel dimensions of an image displayed on the web (ex: 600 pixels x 800 pixels).

Q:

With respect to the basic PC keyboard, the ‘Break’ key is shared with the ........ key. 

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  • 1
    insert
    Correct
    Wrong
  • 2
    pause
    Correct
    Wrong
  • 3
    home
    Correct
    Wrong
  • 4
    end
    Correct
    Wrong
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Answer : 2. "pause"

Q:

which of the following topology uses hub? 

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  • 1
    bus
    Correct
    Wrong
  • 2
    point to point
    Correct
    Wrong
  • 3
    star
    Correct
    Wrong
  • 4
    Ring
    Correct
    Wrong
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Answer : 3. "star "

Q:

The primary purpose of a computer is to process _______ and convert it into information.

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  • 1
    Electricity
    Correct
    Wrong
  • 2
    Data
    Correct
    Wrong
  • 3
    Raw material
    Correct
    Wrong
  • 4
    Water
    Correct
    Wrong
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Answer : 2. "Data"
Explanation :

1. The primary purpose of a computer is to process data and convert it into information. Data is defined as unprocessed information, which is then processed or structured to provide meaningful results. Information is defined as data that can be used for a specific purpose.

2. Computers process data in the following ways-

- Input: Computers receive data through input devices, such as a keyboard, mouse, or camera.

- Processing: Computers process data through processors. The processor operates on data according to a set of instructions.

- Output: Computers display data through output devices, such as monitors, printers, or speakers.

Q:

The main aim of the ........ system is to dissipate the heat from CPU to the surrounding air. 

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  • 1
    SMPS
    Correct
    Wrong
  • 2
    cpu-heatsink
    Correct
    Wrong
  • 3
    cpu-air conditioner
    Correct
    Wrong
  • 4
    RAM
    Correct
    Wrong
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Answer : 2. "cpu-heatsink "

Q:

Which of the following will not advance the slide in the slide show view?

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  • 1
    Esc key
    Correct
    Wrong
  • 2
    Enter key
    Correct
    Wrong
  • 3
    Spacebar
    Correct
    Wrong
  • 4
    Mouse button
    Correct
    Wrong
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Answer : 1. "Esc key"
Explanation :

1. The Esc key will not advance the slide in the slideshow view.

2. There is a button on the left side of the keyboard which is called “ESC Key”. This key is right next to the Functions Keys.

3. It is mostly used to cancel a command. As-

- An open Dialog Box can also be closed with the Escape key without using the mouse.

- A website being loaded in a browser can be cancelled by using the Escape key. That is, the website is not allowed to load.

- It is also used in many games to cancel Kari.

- The videos shown on the full screen of the media player can be opened in normal mode by using the Escape key.

- It is also used to cancel a wrong entry in an input field.

- Open Start Menu or PullDown Menu can be closed quickly by Esc key.

Q:

A new laptop has been designed that weighs less, is smaller and uses less power than previous laptop models. Which of the following techniques has been used to accomplish this?

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  • 1
    Universal Serial Bus Mouse
    Correct
    Wrong
  • 2
    Faster random-access memory
    Correct
    Wrong
  • 3
    Blu-Ray Draw Eve
    Correct
    Wrong
  • 4
    Solid state hard drive
    Correct
    Wrong
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Answer : 4. "Solid state hard drive"
Explanation :

A new laptop has been designed that weighs less, is smaller and uses less power than previous laptop models. Solid-state hard drive technology has been used to accomplish this.

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