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SubjectPaid lesson

HISTORY OF COMPUTERS

CT

ClassNotes Team 2 MIN READUPDATED 5 JUL 2026

DATA PROCESSING SSS1 FIRST TERM

WEEK 4

HISTORY OF COMPUTERS

Contents

Consider the table below:

Generations Of computers	Year of development	The Technology Used	Characteristics	Software Instruction	Storage Capacity
First	1951-1958	Vacuum tube	Very big and slow in operation	Machine language	Small internal storage
Second	1959-1964	Transistor	Less heat generation	High level & Assembly	Core storage
Third	1965-1975	100-1000 Chips	Introduction of integrated circuit	Multiprogramming Facilities	Internal
Fourth	1975-1982	1000 above	VLSIC	Introduction of Non-procedural language	Flexible internal & external storage
Fifth	1982 and above	10⁶chips	AI and Expert system	Introduction of object-oriented programming language	Small but powerful network

GENERAL EVALUATION

Differentiate between the first and second generation of computers.
Which of the generation of computers…