MCQ Practice

Computer & IT MCQs

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The first web browser is ____.

A. Internet Explorer
B. Chrome
C. Yahoo
D. World Wide Web (Nexus)

Explanation:
The first web browser, WorldWideWeb (later renamed Nexus), was created by Tim Berners-Lee in 1990.

The First Mechanical Computer Designed by Charles Babbage was called ____.

A. Abacus
B. Supercomputer
C. Analytical Engine
D. Processing Machine

Explanation:
Charles Babbage designed the Analytical Engine (1837), a mechanical general-purpose computer.

The first mechanical calculator was invented in which year?

A. 1543
B. 1642
C. 1858
D. 1972

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

The first electronic computer was developed by ____.

A. J.V. Attansoff
B. Bill Gates
C. Simur Cray
D. Winton Serf

Explanation:
John Vincent Atanasoff developed the first electronic digital computer (ABC).

The first computer made available for commercial use was ____.

A. MANIAC
B. ENIAC
C. UNIVAC
D. EDSAC

Explanation:
UNIVAC I (1951) was the first commercially available computer.

The first completely 64-bit compatible version of Android was ____.

A. Android 4.0 Ice Cream Sandwich
B. Android 5.0 Lollipop
C. Android 3.0 Honeycomb
D. Android 2.3 Gingerbread

Explanation:
Android 5.0 Lollipop introduced full 64-bit support.

The file type ____ indicates the file is a Word document.

A. .msw
B. .wor
C. .wrd
D. .docx

Explanation:
.docx is the standard file extension for modern Word documents.

The document can be zoomed up to ____.

A. 100%
B. 200%
C. 400%
D. 500%

Explanation:
In Microsoft Word, the maximum zoom level is 500%.

The birthplace of the World Wide Web was ____.

A. NASA
B. Pentagon
C. CERN
D. Microsoft

Explanation:
Tim Berners-Lee invented the WWW at CERN in 1989–1991.

The BIOS settings are stored in ____.

A. EEPROM
B. CMOS chip
C. Memory
D. OS

Explanation:
BIOS/UEFI settings are stored in the CMOS 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.