Selected MCQ

Current Question
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
Correct Answer: A
Explanation:
Actual execution of instructions is performed by the ALU.
Related Question 1
Which of the following parts of the CPU controls the sequence of execution of instructions?
  • A. ALU
  • B. LU
  • C. CU
  • D. ALU
Correct Answer: C
Explanation:
The Control Unit (CU) controls the sequence of execution.
Related Question 2
A(n) ____ system is a set of Programs containing instructions that coordinate all the activities among computer hardware resources?
  • A. Operating
  • B. Disk- Based
  • C. Management
  • D. Platform
Correct Answer: A
Explanation:
The operating system coordinates hardware resources.
Related Question 3
The unit that controls all parts of the computer is ____.
  • A. CPU
  • B. ALU
  • C. Register
  • D. None of these
Correct Answer: A
Explanation:
The CPU is the central control unit of a computer.
Related Question 4
In a computer spreadsheet, first part of number format describes ____.
  • A. Positive number
  • B. Negative number
  • C. Zero values
  • D. Text values
Correct Answer: A
Explanation:
In custom number formats, the first section defines how positive numbers are displayed.
Related Question 5
Which part of the computer connects with the motherboard and gives power to different parts?
  • A. CPU
  • B. Power supply
  • C. RAM
  • D. None of these
Correct Answer: B
Explanation:
The power supply unit provides electricity to all components.