Computer Knowledge Practice Question and Answer

Q:

The website https://www.irctc.co.in is related to:

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  • 1
    Indian Railways
    Correct
    Wrong
  • 2
    Passport Seva Services
    Correct
    Wrong
  • 3
    ITR filing
    Correct
    Wrong
  • 4
    Aadhaar Updation
    Correct
    Wrong
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Answer : 1. "Indian Railways"
Explanation :

1. Website https://www.irctc.co.in belongs to Indian Railways.

2. IRCTC has revolutionized the lives of the common man traveling by Indian Railways.

3. IRCTC online ticket booking system is a boon for the common man, empowering him through technology.

Q:

Microsoft Word has a method that monitors the changes you make to the document.

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    Track Monitor
    Correct
    Wrong
  • 2
    Track Changes
    Correct
    Wrong
  • 3
    Trace Monitor
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
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Answer : 2. "Track Changes"

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:

When was the Department of Electronics established in India.

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    1970
    Correct
    Wrong
  • 2
    1977
    Correct
    Wrong
  • 3
    1986
    Correct
    Wrong
  • 4
    1990
    Correct
    Wrong
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Answer : 1. "1970"

Q:

Which command is used to remove a table from the database in SQL?

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    DELETE TABLE
    Correct
    Wrong
  • 2
    DROP TABLE
    Correct
    Wrong
  • 3
    ERASE TABLE
    Correct
    Wrong
  • 4
    UNATTACH TABLE
    Correct
    Wrong
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Answer : 2. "DROP TABLE "
Explanation :

In SQL, the DROP TABLE command is used to remove a table from the database. When you execute DROP TABLE, it deletes the table along with all its data, indexes, triggers, constraints, and permissions. It should be used with caution as it permanently removes the table and all associated objects from the database.


Q:

A firewall is a software tool which protects:
 (I) Server
 (II) Network
 (III) Fire
 (IV) Personal computer
 The correct answer is from the options given below:

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    (I), (III) only
    Correct
    Wrong
  • 2
    (II), (III) only
    Correct
    Wrong
  • 3
    (I), (II), (III) only
    Correct
    Wrong
  • 4
    (I), (II), (IV) only
    Correct
    Wrong
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Answer : 4. "(I), (II), (IV) only"
Explanation :

A firewall is a software tool, which protects-
1. Server
2. Network
3. Personal Computer

Q:

What is the full form of USB connected to computer?

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    United Service Block
    Correct
    Wrong
  • 2
    Universal Security Block
    Correct
    Wrong
  • 3
    Universal Serial Bus
    Correct
    Wrong
  • 4
    Ultra Serial Block
    Correct
    Wrong
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Answer : 3. "Universal Serial Bus"
Explanation :

1. The full form of USB is Universal Serial Bus.

2. USB is a wired device with the help of which you can connect any other device like mobile with laptop, mobile with computer etc.

3. Apart from this, you can also insert a memory card inside the laptop with its help because it is a port in which we can insert things like Pendrive, Card Reader, Data Cable etc.

Q:

This is an important component for complex charts, deciding what color each data series will be? displayed on the chart?

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    Data Series
    Correct
    Wrong
  • 2
    Data Label
    Correct
    Wrong
  • 3
    Legend
    Correct
    Wrong
  • 4
    Gridlines
    Correct
    Wrong
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Answer : 3. "Legend"

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