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CS

Learn · CS Unit 1

Recall first, then see it

Each lesson starts by asking what you remember (Mr Qureshi's tip: cover your notes first), then the key ideas with the slide figures rebuilt as things you can tap, slide and run.

0/7 done
  1. 1History of ComputersFrom the abacus to UNIVAC — and the people who matter. 7 min
  2. 2Generations of ComputersFive generations: tubes → transistors → ICs → microprocessors → AI. 7 min
  3. 3Types of ComputersSuper, mainframe, mini and micro — compare size, power, cost, use. 6 min
  4. 4Components of a Computer SystemInput, output — and devices that do both. 5 min
  5. 5Computer Software and Its TypesSystem vs application software — and their subtypes. 6 min
  6. 6Computer Memory and Its TypesRAM, ROM, Cache, Flash — memory vs storage — local vs cloud. 7 min
  7. 7AlgorithmsClear, ordered steps — then trace and debug them. 9 min