Difference between revisions of "Computer"
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Computer is a CPU, input and output devices, that simplifies the control of information | Computer is a CPU, input and output devices, that simplifies the control of information | ||
===Components of computers=== | ===Components of computers=== | ||
* CPU and Primery storage | |||
* Arithmatic and Logical control Unit | |||
* Primery storage | |||
* Secondary storage | |||
* Input devices | |||
* output devices | |||
===Classification=== | |||
* Mainfram | |||
* midrange | |||
* PC | |||
* Workstation | |||
* Super computer | |||
* Hardware requirement of ecommerce: | |||
** 24/7 support | |||
** online | |||
** periodical backup | |||
** critical | |||
===Evolution of computer software=== | |||
* OS: DOS, UNIX MAC, Windows | |||
* Languge Fortran, cobol, IMBM360, | |||
** Programing languuage | |||
** Machine language | |||
** Assembler language : Like "C" | |||
** High level language; source code, this require compilation | |||
* Application: custom designed softwares some eg | |||
** control programs: they control the user end softwares | |||
** service programs: used at the customer level (data entry stuff) | |||
** packaged programe: custome made, portable | |||
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[[Category: Rajkumar]] | [[Category: Rajkumar]] | ||
[[Category: MBA]] | [[Category: MBA]] |
Revision as of 23:44, 9 January 2010
Computer is a CPU, input and output devices, that simplifies the control of information
Components of computers
- CPU and Primery storage
- Arithmatic and Logical control Unit
- Primery storage
- Secondary storage
- Input devices
- output devices
Classification
- Mainfram
- midrange
- PC
- Workstation
- Super computer
- Hardware requirement of ecommerce:
- 24/7 support
- online
- periodical backup
- critical
Evolution of computer software
- OS: DOS, UNIX MAC, Windows
- Languge Fortran, cobol, IMBM360,
- Programing languuage
- Machine language
- Assembler language : Like "C"
- High level language; source code, this require compilation
- Application: custom designed softwares some eg
- control programs: they control the user end softwares
- service programs: used at the customer level (data entry stuff)
- packaged programe: custome made, portable