MCQ Practice

Computer & IT MCQs

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The first computer was developed by ____.

A. Charles Babbage
B. Alan Turing
C. Apple
D. None of these

Explanation:
Charles Babbage designed the Analytical Engine, considered the first computer concept.

The first-ever mechanical calculator was invented by ____.

A. Sir Isaac Newton
B. Leonardo da Vinci
C. Blaise Pascal
D. Albert Einstein

Explanation:
Blaise Pascal invented the mechanical calculator (Pascaline) in 1642.

Fourth Industrial revolution (4IR) means ____.

A. Internet Communication
B. Communication through technology
C. Internet of Things
D. All of these

Explanation:
4IR encompasses IoT, AI, and advanced digital communication technologies.

Latest generation computer uses for processing ____.

A. Sequential
B. Parallel
C. Sequential and parallel
D. None of these

Explanation:
Modern computers support both sequential and parallel processing.

First-generation computer used which language?

A. Assembly language
B. Machine language
C. Both of these
D. None of these

Explanation:
First-generation computers could only understand machine language (binary).

Fifth generation of computer is referred to ____.

A. Use a natural language
B. Artificial Intelligence
C. Bio Chips
D. All of these

Explanation:
The fifth generation focuses on Artificial Intelligence and parallel processing.

Microprocessors as switching devices are for which generation of computers?

A. First Generation
B. Second Generation
C. Third Generation
D. Fourth Generation

Explanation:
Microprocessors (single-chip CPUs) are a defining feature of fourth-generation computers.

Integrated Circuits (IC) chips used in computers are made with ____.

A. Silicon
B. Copper
C. Silver
D. Aluminum

Explanation:
Silicon is the semiconductor material used to manufacture IC chips.

IC stands for ____.

A. Integrated circuit
B. Internal Circuit
C. Input Command
D. None of these

Explanation:
IC is the standard abbreviation for Integrated Circuit.

Integrated circuits (ICs) were used in the ____ generation of the computer.

A. First
B. Second
C. Third
D. Fourth

Explanation:
Third-generation computers introduced integrated circuits (ICs) on a single silicon chip.

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.