MCQ Practice

Computer & IT MCQs

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Which of the following is not a type of bus in the computer?

A. Data bus
B. Control bus
C. Power bus
D. Address Bus

Explanation:
A power bus is not a standard type of computer bus.

____ provides a path to transfer data between CPU and memory.

A. Control Bus
B. Address Bus
C. Data Bus
D. None of these

Explanation:
The data bus carries actual data between the CPU and the memory.

Which of the following is a graphic Change format extension?

A. MPG
B. JPEG
C. GIF
D. All of these

Explanation:
MPG, JPEG, and GIF are all common graphic file formats.

LASER Stands for ____.

A. Light alteration stimulated emission of radiation
B. Light amplification stimulated emission of radiation
C. Light absorption stimulated emission of radiation
D. None of these

Explanation:
LASER stands for Light Amplification by Stimulated Emission of Radiation.

Flat panels are usually used in ____.

A. Supercomputer
B. Personal computer
C. Mainframe computer
D. Laptops

Explanation:
Flat panels (LCD/LED) are commonly used in laptops.

What is the full form of LED?

A. Low-Emitting Diode
B. Light Emitting Diode
C. Light amplification Diode
D. None of these

Explanation:
LED stands for Light Emitting Diode.

LCD stands for ____.

A. Light Clear Display
B. Liquid Crystal Display
C. Light Emitting Diode
D. None of these

Explanation:
LCD stands for Liquid Crystal Display.

CRT is the technology used in a ____.

A. Mouse
B. Monitor
C. CPU
D. Trojan Horse

Explanation:
CRT technology was used in older computer monitors.

CRT Stands for ____.

A. Cathode Ray Tube
B. Crystal Ray Tube
C. Cabin Ray Tube
D. None of these

Explanation:
CRT stands for Cathode Ray Tube, an old display technology.

Paint programs keep track of every ____ placed on the screen.

A. Image
B. Object
C. Pixel
D. Color

Explanation:
Paint programs track individual pixels on the screen.

Practice Important Questions

This section provides important MCQs with answers and explanations to help candidates prepare effectively for CSS, PMS, and other competitive exams.

Improve Conceptual Understanding

Each MCQ is designed to strengthen your understanding of key concepts and improve analytical thinking required in exams.

Exam-Oriented Preparation

These MCQs follow actual exam patterns, helping aspirants practice relevant questions and improve performance.

Useful for CSS and PMS Exams

This collection is highly beneficial for CSS, PMS, and other competitive exams, improving accuracy and confidence.