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Computer evolution - Coggle Diagram
Computer evolution
First gen
Software tech
Machine assembly
Stored program concept
Mostly scientific applications
Key hardware technologies
Vacuum tubes
Electro magnetic relay memory
Punched cards secondary stage
Key characteristics
Bulky in size
Highly unreliable
Limited commercial use and costly
Difficult commercial production
Difficult to use
Some representative systems
ENIAC
EDVAC
EDSAC
UNIVAC 1
IBM 701
Second gen
Key hardware technologies
Transistors
Magnetic cores memory
Magnetic tapes
Disks for secondary stage
Key software tech
Batch operating system
High-level programming languages
Scientific commercial applications
Key characteristics
Third gen
Fourth gen
Fifth gen