First Generation Computers
ADVANTAGES
·
• Vacuum
tubes were the only electronic components available those days.
·
• • Vacuum
tube technology made possible the advent of electronic digital computers.
·
• These
computers can perform computations in milliseconds
DISADVANTAGES
·
• • Unreliable
·
• Air
conditioning required
·
• Not
portable
Second
Generation Computers
ADVANTAGES
·
• More Reliable
·
• • Better portability
·
• • These computers were able to reduce
computational times from milliseconds to microseconds
DISADVANTAGES
·
• Air-conditioning
required
·
• • Frequent
maintenance required
·
• • Manual
assembly of individual components into functioning unit was required.
Third
Generation Computers
ADVANTAGES
·
Commercial production was easier and cheaper
·
Easily portable
·
Less power requirement than previous
generation computers.
DISADVANTAGES
·
Air-conditioning required in many cases
·
Highly sophisticated technology required for
the manufacture of IC chips.
Fourth
Generation Computers
ADVANTAGES
·
Very reliable
·
Heat generated is negligible
·
Totally general purpose.
DISADVANTAGES
·
Highly sophisticated technology required for
manufacture of LSI chips
Fifth Generation Computers
ADVANTAGES
·
They are portable
·
They are very reliable compared to other
generations
· They portable and are available in different
sizes with different features
DISADVANTAGES
·
They can replace man in jobs that are hard
·
They can defeat man in games
·
They are expensive