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MCQ Practice

Computer & IT MCQs

Analog computer works on the supply of ____.

  • A. Physical strength
  • B. Natural strength
  • C. Magnetic strength
  • D. Continuous electrical pulses
Explanation:
Analog computers work on continuous electrical signals.

Cary T90 is an example of which?

  • A. IBM
  • B. Hybrid computer
  • C. Magnetic computer
  • D. Personal computer
Explanation:
Cary T90 is an example of a magnetic computer (supercomputer).

What is meant by a dedicated Computer?

  • A. Which is used by one person only
  • B. Which is assigned one and only one task
  • C. Which uses one kind of software
  • D. Supercomputer for application software
Explanation:
A dedicated computer is assigned to perform only one specific task.

____ computers are also called personal computers.

  • A. Micro
  • B. Mainframe
  • C. Desktop
  • D. Super
Explanation:
Microcomputers are also known as personal computers.

What category do desktop computers belong to?

  • A. Supercomputer
  • B. Minicomputer
  • C. Microcomputer
  • D. Mainframe
Explanation:
Desktop computers are classified as microcomputers.

What type of computer is commonly used in small organizations?

  • A. Microcomputer
  • B. Mainframe
  • C. Supercomputer
  • D. None of these
Explanation:
Microcomputers (PCs) are commonly used in small organizations.

Which of the following classes of computers cannot support multiple users simultaneously?

  • A. Mini Computer
  • B. Mainframe Computer
  • C. Supercomputer
  • D. None of them
Explanation:
Mini computers typically support fewer simultaneous users.

____ computer are large.

  • A. Mainframe Computer
  • B. Microcomputer
  • C. Supercomputer
  • D. All of them
Explanation:
Mainframe computers are large and high-capacity.

Which of the following is the first “Stored Program Concept”?

  • A. UNIVAC
  • B. ENIAC
  • C. EDSAC
  • D. None of the above
Explanation:
EDSAC was the first computer to use the stored program concept.

ABC computer is used for ______?

  • A. Specific-Purpose computer
  • B. General-purpose computer
  • C. All-purpose computer
  • D. None of these
Explanation:
ABC (Atanasoff-Berry Computer) was a special-purpose computer.