Computer Knowledge Practice Question and Answer

Q:

Choose the correct option according to the increasing order of storage capacity?

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  • 1
    CD-RW< DVD< Blu Ray Disc< Hard Disk
    Correct
    Wrong
  • 2
    CD-RW-DVD< Hard Disc< Blu Ray Disc
    Correct
    Wrong
  • 3
    CD-RW< Blu Ray Disc< DVD< Hard Disk
    Correct
    Wrong
  • 4
    CD-RW< Blu Ray Disc< DVD< Hard Disk
    Correct
    Wrong
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Answer : 1. "CD-RW< DVD< Blu Ray Disc< Hard Disk"

Q:

Which of the following is correct?
I. GUI-Graphical User Interface
II. VDU-Visual Display Unit
III. ALU-All Logical Unit

1461 0

  • 1
    I and II
    Correct
    Wrong
  • 2
    I and III
    Correct
    Wrong
  • 3
    Only III
    Correct
    Wrong
  • 4
    Only II
    Correct
    Wrong
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Answer : 1. "I and II "

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:

Which of the following can be considered as e-Governance services?

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  • 1
    Driving License
    Correct
    Wrong
  • 2
    Driving a Car
    Correct
    Wrong
  • 3
    Buying Vegetables
    Correct
    Wrong
  • 4
    Printing T-Shirt
    Correct
    Wrong
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Answer : 1. "Driving License"
Explanation :

1. E-governance refers to the use of information and communication technologies (ICT) to increase the reach and efficiency of public services.

2. “E” in e-governance stands for ‘electronic’.

3. E-governance can be defined as the application of information and communication technology (ICT) to provide government services, exchange of information, transactions, and integration of pre-existing services and information portals.

Q:

Which network topology requires a "Hub" for its working? 

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  • 1
    Ring
    Correct
    Wrong
  • 2
    Bus
    Correct
    Wrong
  • 3
    Star
    Correct
    Wrong
  • 4
    Both Bus and Star
    Correct
    Wrong
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Answer : 3. "Star "

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:

In which printer ribbon is used? 

1456 1

  • 1
    plotter
    Correct
    Wrong
  • 2
    laser printer
    Correct
    Wrong
  • 3
    dot matrix printer
    Correct
    Wrong
  • 4
    inkjet printer
    Correct
    Wrong
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Answer : 3. "dot matrix printer "
Explanation :

Dot matrix printers use printer ribbons. A dot matrix printer is a type of impact printer that produces characters and images on paper by striking a series of dots against an ink-soaked ribbon. The ribbon transfers ink onto the paper to create text and graphics. Dot matrix printers were widely used in the past for tasks such as printing invoices, receipts, and multipart forms.

Q:

What is used to save a document in different locations?

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  • 1
    Save
    Correct
    Wrong
  • 2
    Save as
    Correct
    Wrong
  • 3
    Insert
    Correct
    Wrong
  • 4
    Enter
    Correct
    Wrong
  • 5
    New
    Correct
    Wrong
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Answer : 2. "Save as"

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