Basic Computer MCQs Subcategories

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Computer Hardware

Which is not an input device:

a. Mouse
b. Scanner
c. Keyboard
d. Plotter

What is a light pen?

a. Mechanical Input Device
b. Optical Input Device
c. Electronic Input Device
d. Optical Output Device

The physical part of a computer is called:

A. Hardware
B. Software
C. CPU
D. None of these

Explanation: The physical components of a computer are referred to as hardware.

Which one is the result of the output given by a computer?

a. Data
b. Instruction
c. Information
d. Excursion

Explanation: The output given by a computer is referred to as information.

Which of the following is an input device?

a. Mouse
b. Keyboard
c. Scanner
d. All of these

Explanation: Mouse, keyboard, and scanner are all input devices.

When a peripheral device needs immediate attention from the operating system, it generates a:

a. Spool
b. Interrupt
c. Stack
d. Page file

Explanation: An "Interrupt" is a signal sent to the operating system indicating that immediate attention is needed.

What is the short term memory of a computer called?

a. RAM
b. ROM
c. Floppy
d. Hard disk

Explanation: RAM (Random Access Memory) is the short-term memory in a computer where the operating system, application programs, and currently used data are kept.