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MCQ Practice

Computer & IT MCQs

The greater than sign is an example of ____ operation.

  • A. Arithmetic
  • B. Logical
  • C. Conditional
  • D. Greater
Explanation:
Greater than (>) is a logical/relational operation.

Arithmetic Operations are performed by ____.

  • A. AU
  • B. CU
  • C. ALU
  • D. None of these
Explanation:
The Arithmetic Logic Unit (ALU) performs all arithmetic operations.

In the given logical expression, if two conditions are true, which gate will output True?

  • A. Not Gate
  • B. OR Gate
  • C. NAND Gate
  • D. XOR Gate
Explanation:
OR gate outputs true if at least one (or both) inputs are true.

The basic operations of Logical operator in a computer is ____.

  • A. To produce results
  • B. Logical operation
  • C. Storage and retrieval
  • D. All of these
Explanation:
Logical operators perform logical operations to produce true/false results.

In which part of the computer is the execution of instructions done?

  • A. ALU (Arithmetic Logic Unit)
  • B. Control Unit
  • C. Main memory
  • D. None of these
Explanation:
Actual execution of instructions is performed by the ALU.

Which of the following parts of the CPU controls the sequence of execution of instructions?

  • A. ALU
  • B. LU
  • C. CU
  • D. ALU
Explanation:
The Control Unit (CU) controls the sequence of execution.

The ALU and CU are components of ____.

  • A. ROM
  • B. CPU
  • C. RAM
  • D. CAD
Explanation:
ALU and CU are parts of the CPU.

In CPU, all devices are attached with ____.

  • A. Monitor
  • B. Motherboard
  • C. Power supply
  • D. Hard disk
Explanation:
All devices inside the CPU are attached to the motherboard.

Which of the following executes instructions?

  • A. Motherboard
  • B. Hard disk
  • C. CPU
  • D. None of these
Explanation:
The CPU executes instructions.

In the computer, which part is the most complicated?

  • A. Keyboard
  • B. CPU
  • C. RAM
  • D. ROM
Explanation:
The CPU is the most complicated part of the computer.