Computer Knowledge Practice Question and Answer

Q:

Which of the following is not a type OS bus? 

5482 0

  • 1
    Control bus
    Correct
    Wrong
  • 2
    Software bus
    Correct
    Wrong
  • 3
    Data bus
    Correct
    Wrong
  • 4
    Address bus
    Correct
    Wrong
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Answer : 2. "Software bus "

Q:

Which protocol provides e-mails facilities among different hosts? 

5385 0

  • 1
    SMTP
    Correct
    Wrong
  • 2
    FTP
    Correct
    Wrong
  • 3
    TELNET
    Correct
    Wrong
  • 4
    SNMP
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "SMTP "

Q:

How many bytes are 1 gigabyte (GB)?

5264 1

  • 1
    1024 KB
    Correct
    Wrong
  • 2
    1024 MB
    Correct
    Wrong
  • 3
    1024 GB
    Correct
    Wrong
  • 4
    1024 TB
    Correct
    Wrong
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Answer : 2. "1024 MB"

Q:

SMPS stands for

5260 2

  • 1
    Switched mode power supply
    Correct
    Wrong
  • 2
    Start mode power supply
    Correct
    Wrong
  • 3
    Store mode power supply
    Correct
    Wrong
  • 4
    Single mode power supply
    Correct
    Wrong
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Answer : 1. "Switched mode power supply"

Q: Which motherboard form factor uses one 20 pin connector? 5206 1

  • 1
    Baby AT
    Correct
    Wrong
  • 2
    AT
    Correct
    Wrong
  • 3
    ATX
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "ATX"
Explanation :

Answer: C) ATX Explanation: ATX (Advanced Technology extended) is a motherboard form factor uses one 20 pin connector.   ATX is developed by Intel in 1995 to improve on previous de facto standards like the AT form factor. It was the first major change in desktop computer enclosure, motherboard, and power supply design in many years, improving standardization and interchangeability of parts.

Q: Which of the following is not a function of the Control Unit? 5131 0

  • 1
    Interpret instructions
    Correct
    Wrong
  • 2
    Read instructions
    Correct
    Wrong
  • 3
    Execute instructions
    Correct
    Wrong
  • 4
    Direct operations
    Correct
    Wrong
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Answer : 2. "Read instructions"
Explanation :

Answer: B) Read instructions Explanation: Control Unit can perform the functions Interpret instructions, Execute instructions and Direct operations. But Reading instructions is not a function of the Control Unit.

Q:

Computers gather data, which means that they allow users to____data.

5128 0

  • 1
    present
    Correct
    Wrong
  • 2
    input
    Correct
    Wrong
  • 3
    output
    Correct
    Wrong
  • 4
    store
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "store"

Q: CPU speed of a personal computer is 5080 2

  • 1
    1 MIPS
    Correct
    Wrong
  • 2
    100 KIPS
    Correct
    Wrong
  • 3
    32 KIPS
    Correct
    Wrong
  • 4
    32 MIPS
    Correct
    Wrong
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Answer : 3. "32 KIPS"
Explanation :

Answer: C) 32 KIPS Explanation: Instructions per second (IPS) is a measure of a computer's processor speed. CPU speed of a personal computer is 32 KIPS (Kilo Instructions per second).

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