*Generations of computer;-
The term generation refers to huge development an electronic data processing.There are classified into five categories.
1.First generations of computer(1942-1955);-
In first generation of computer var kum
tubes technology or used in this generation of computer required more amount of hit.Its memory type watch electromagnetic it was blocks in size. It required constant maintain , it once used for scientific purpose . It required air condition .
Ex;- 1. ENIAC-> Electronic numeric integrator and computer.
2. EDVAC-> Electronic district variable automatic compute,
software-machine language .
2.Second generations of computer (1955-1964);-
In this generation of computer varkum tube were replaced to by strong store. It required less amount of electricity and less amount of hit than first generation .Its memory type watch magnetic
core. It was easy to handed. It used for business and industries for commercial processing air-condition data.
software-High level language
Ex;-1. IBM- International business machine.
2. LARC- Liver more automatic research computer.
3.Third generations of computer(1964-1975);-
In this generations of computer (1964-1975),It is required less amount of electricity and less amount of lite than second generation of computer. It hard larger primary and secondary storage area. It used for both scientific commercial brake purpose if air condition report.
Ex;- mainframe computer and mini computer
software-1.high level language ,
2.low level language.
(VB- ,C++ etc.)
4.Forth Generations of computer(1975-1989);-
It is from (1975-1989)in this generation of computer . Integrator Cir-cute were replaced by micro
processor . It perform high level program.It is used in local area network(LAN) and wide area network (WAN) to connect multiple computer at a time . It had larger primary and secondary storage area . It had computer supported co-operative working .Its air condition is not hit.
Software;-Advance,Java,PHP and HQL etc.
Ex;- Personal computer,lan,wan etc.
5. 5th Generation of computer;-
It is form (1989- Present) in this generation of computer micro processor use. Now a days portable are available in the market such as- laptop,palmtop , note book etc. It used for boss multimedia application. It more powerful 4th generation of computer. It is ease to handle. It air condition not required .
EX;-portable PC ,computer ,laptop ,palmtop and note books etc.
software- artificial intelligence
pro-loge and morquire etc .
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