← Computer Studies / 1 Foundation of Computer Science
1.1 Evolution and Development of Computers
Computer Studies · Grade 10 · 6 lessons in the design
What this covers
- Ancient and medieval computing devices
- Mechanical calculators and the first programmable machines
- Principal technologies: vacuum tubes, transistors, integrated circuits, LSI and VLSI
- The five generations of computers
- Matching generations to their principal technologies
- The trend of technological advancement
What you will be able to do
- identify early computing devices and how they relate to the evolution of electronic computers
- describe the principal technologies that defined the development of computers
- relate the principal technologies to their respective computer generations
- appreciate technological advancement in the development of computers
Key questions
“What is the importance of principles and technologies in the development of computers?”
“How have computers evolved over the generations?”
Lessons
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Early computing devices
40 min · 1 practice tasks · quizThe devices that came before the electronic computer, and the single idea each one contributed to it.
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Principal technologies and the generations of computers
40 min · 2 practice tasks · quizVacuum tubes, transistors and integrated circuits; the five generations they define; and the trend they reveal.
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First and second generation computers
40 min · 1 practice tasks · quizWhat vacuum-tube machines were actually like, why transistors changed who could own a computer, and how to match the first two generations to their technology.
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From integrated circuits to the personal computer
40 min · 1 practice tasks · quizThird-generation integrated circuits, the microprocessor, the IBM PC, and how computers reached Kenyan offices and school labs.
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Fifth generation, AI and the Kenyan trend
40 min · 1 practice tasks · quizWhat the fifth generation is trying to do, why it is harder to define, and how the long trend shows up in Kenyan daily computing.
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Classifying computers by size, purpose and data
40 min · 1 practice tasks · quizHow the machines produced by that evolution are grouped: supercomputer to embedded, general against special purpose, analogue against digital.