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MCQ Practice

Computer & IT MCQs

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.