Selected MCQ

Current Question
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 1
A collection of system programs that controls and coordinates the overall operations of a computer system is called ____.
  • A. System software
  • B. Operating system
  • C. Utility program
  • D. Device driver
Correct Answer: B
Explanation:
The operating system manages all hardware and software resources.
Related Question 2
Basic unit of a computer spreadsheet in which you enter text and numbers is known as ____.
  • A. Workbook
  • B. Column
  • C. Row
  • D. Cell
Correct Answer: D
Explanation:
The basic unit is a cell.
Related Question 3
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.
Related Question 4
What is the name given to the organized collection of software that controls the overall operation of a computer?
  • A. Working system
  • B. Peripheral system
  • C. Operating system
  • D. Controlling system
Correct Answer: C
Explanation:
The operating system manages all hardware and software resources.
Related Question 5
A collection of system programs that controls and co-ordinates the overall operations of a computer system is called ____.
  • A. System software
  • B. Operating system
  • C. Utility program
  • D. Device driver
Correct Answer: B
Explanation:
The operating system controls and coordinates all computer operations.