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SubjectsComputerComputer FundamentalsChapter 1 — Basics of Computers1.4 Number Systems & Conversions

Topic 1.4 · Computer · Basics of Computers

Number Systems & Conversions

Number Systems & Conversions 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, number systems & conversions 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

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

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

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

Related topics

1.1 Computer & Its Generations1.2 Hardware Components1.3 Software — System & Application
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