Computer MCQs with answers Page - 156

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A

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Q. The main directory of a disk is called the ____ directory.

  • (A) network
  • (B) Home
  • (C) folder
  • (D) root

A

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Q. _____ is the concept of sending extra bits for use in error detection.

  • (A) Redundancy
  • (B) Check
  • (C) Detection
  • (D) Checksum fault

A

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Q. Different applications and documents of windows desktop are represented by

  • (A) Icons
  • (B) Lebels
  • (C) Symbols
  • (D) Graph

A

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Q. Which of the following is not a part of storage in the computer?

  • (A) Plotter
  • (B) Hard Disk
  • (C) ROM
  • (D) RAM

A

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Q. Passwords enable users to __________

  • (A) make efficient use of time
  • (B) simplify file structures
  • (C) retain confidentiality of files
  • (D) get into the system quickly

A

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Q. Firewalls are used to protect against

  • (A) Phishing
  • (B) Vishing
  • (C) Unauthorized Attacks
  • (D) Data Driven Attacks

A

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Q. Storage that retains its data after the power is turned off is referred to as

  • (A) Non-volatile storage
  • (B) Sequential storage
  • (C) Cache storage
  • (D) Volatile storage

A

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Q. Which transmission mode is used for data communication along telephone line ?

  • (A) Parallel
  • (B) Asynchronous
  • (C) Synchronous
  • (D) Serial

A

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Q. In fiber optic, the signal source is

  • (A) Light
  • (B) Radio
  • (C) Very low frequency
  • (D) Microwave frequency

A

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Q. Which of the following is not a guided medium ?

  • (A) Coaxial cable
  • (B) Twisted pair wire
  • (C) Fiber-optic cable
  • (D) Atmosphere

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