Computer GK Practice Question and Answer

Q:

Which of the following is not a valid purpose of SSO (Single Sign On)?

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  • 1
    One person, one identity—with all mapped data sets and documents for each state resident
    Correct
    Wrong
  • 2
    Documents and affidavits are not required for service delivery
    Correct
    Wrong
  • 3
    Single window interface to access various digital services of state government departments
    Correct
    Wrong
  • 4
    To spread malware in different computer systems
    Correct
    Wrong
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Answer : 4. "To spread malware in different computer systems"
Explanation :

1. SSO (Single Sign On) has legitimate purposes.

- One person, one identity – with all mapped data sets and documents for every state resident

- Documents and affidavits are not required for service delivery

- Single window interface to access various digital services of state government departments

Q:

The horizontal lines displayed in the plot area of a chart in MS Excel 2010 are called.

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  • 1
    Chart title
    Correct
    Wrong
  • 2
    data point
    Correct
    Wrong
  • 3
    Legend
    Correct
    Wrong
  • 4
    Gridline
    Correct
    Wrong
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Answer : 4. "Gridline"
Explanation :

1. The horizontal lines displayed in the plot area of a chart in MS Excel 2010 are called gridlines.

2. Types of Grid Lines in MS Excel 2010 –

- Main grid lines: These show the key values of the data ranges. They have usually displayed every 5 or 10 values.

Secondary grid lines: These show the intervals between data ranges. They usually appear after every 1 or 2 values.

Q:

Delayed payload of some virus is called-

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  • 1
    Time
    Correct
    Wrong
  • 2
    Anti-virus
    Correct
    Wrong
  • 3
    Bomb
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Bomb"
Explanation :

 In the context of computer viruses or malware, a time bomb is a type of malicious code that is programmed to execute a harmful action at a specific date and time or after a certain period has elapsed. This delayed activation makes it challenging to detect and prevent the attack until it's too late.

Q:

Computer language FORTRAN is useful in which field?

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  • 1
    business
    Correct
    Wrong
  • 2
    Drawing
    Correct
    Wrong
  • 3
    Science
    Correct
    Wrong
  • 4
    Commerce
    Correct
    Wrong
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Answer : 3. "Science"
Explanation :

FORTRAN (short for "Formula Translation") is a high-level programming language that is particularly well-suited for scientific and engineering applications. It was developed for numeric and scientific computing and is widely used in fields such as physics, engineering, mathematics, and other scientific disciplines. FORTRAN allows for efficient processing of mathematical and scientific computations, making it a popular choice for complex scientific simulations, mathematical modeling, and computational research.

Q:

What is the shortcut key to open Task Manager in Windows?

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  • 1
    Ctrl + Alt + Del
    Correct
    Wrong
  • 2
    Ctrl + Shift + Esc
    Correct
    Wrong
  • 3
    Alt + F4
    Correct
    Wrong
  • 4
    Ctrl + Tab
    Correct
    Wrong
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Answer : 2. "Ctrl + Shift + Esc"
Explanation :

1. The shortcut key to open Task Manager in Windows is Ctrl + Shift + Esc.

2. This shortcut key is valid for Windows 10, Windows 11, and Windows 8.1.

3. Ctrl+Shift+Esc is a useful shortcut, specially created to quickly open the Task Manager.

Q:

The acronym of Reusable Optical Storage is-

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  • 1
    CD
    Correct
    Wrong
  • 2
    CD-RW
    Correct
    Wrong
  • 3
    DVD
    Correct
    Wrong
  • 4
    ROM
    Correct
    Wrong
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Answer : 4. "ROM"
Explanation :

Actually, the correct acronym for Reusable Optical Storage is not ROM. The correct acronym is ROS, which stands for Reusable Optical Storage. ROS refers to a technology that allows optical storage media, such as DVDs and CDs, to be rewritten or reused multiple times for data storage purposes.

Q:

The CPU, motherboard and RAM are ........ components of a computer hardware system. 

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  • 1
    input device
    Correct
    Wrong
  • 2
    secondary storage device
    Correct
    Wrong
  • 3
    output device
    Correct
    Wrong
  • 4
    internal
    Correct
    Wrong
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Answer : 4. "internal "
Explanation :

The CPU (Central Processing Unit), motherboard, and RAM (Random Access Memory) are internal components of a computer hardware system. These components are essential for the computer to function and are located inside the computer's casing.

Q:

Which keys are used to switch between programs in windows?

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  • 1
    Ctrl+TAB
    Correct
    Wrong
  • 2
    Alt+TAB
    Correct
    Wrong
  • 3
    Shift+TAB
    Correct
    Wrong
  • 4
    Shift+Enter
    Correct
    Wrong
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Answer : 2. "Alt+TAB"
Explanation :

In Windows, pressing the "Alt" key along with the "Tab" key (Alt+Tab) allows you to switch between open programs or applications. This keyboard shortcut displays a list of open windows, and you can cycle through them by continuing to press the "Tab" key while holding down the "Alt" key, and then release both keys to switch to the selected program.

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