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SubjectsComputerComputer FundamentalsChapter 1 — Basics of Computers1.1 Computer & Its Generations

Topic 1.1 · Computer · Basics of Computers

Computer & Its Generations

Computer & Its Generations is studied as part of "Basics of Computers" (Computer Fundamentals) in Computer. The computer's definition, generations, hardware and software classification, and number systems form the foundation.

In the examination context, computer & its generations carries conceptual questions that test both factual recall and analytical understanding. Revise this topic in sequence with the rest of the chapter so that chronological and thematic links are clear.

Important Facts

Generations
Vacuum tubes → transistors → ICs → microprocessors
Hardware
Physical parts — CPU, memory, I/O
Software
Programs — system and application
Binary system
Base-2 used by computers

Key Points

  • Generations — Vacuum tubes → transistors → ICs → microprocessors
  • Hardware — Physical parts — CPU, memory, I/O
  • Software — Programs — system and application
  • Binary system — Base-2 used by computers

Important Names

Charles BabbageAlan TuringJohn von Neumann

Important Dates

1837Babbage's Analytical Engine concept
1946ENIAC — first electronic general-purpose computer
Exam-Oriented Notes
  • »Babbage is the 'father of the computer'. Binary digits (0 and 1) are the machine language of computers.

Related topics

1.2 Hardware Components1.3 Software — System & Application1.4 Number Systems & Conversions
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