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Abril Quijano Español 13 fichas

Fichas del conjunto (13)

1softwarecollection of instructions.
- it is not a physicall thing thugh it can be stored in physical devices such as pendrives
2system softwareprograms that allow hardware to run properly and allow users to comunicatte with the computer.
3operating systemessential background software.
- input/output devices
- comunication with computer
- security
4utilitiespecific task software.
- antivirus/ security
- file management
- disk defragment
5compliertranslates high level language
into machine codes
6linkerscmbine files created by complier.
7device driversoftware that lets hardware devices to comunicate with the operating system
8memoryplace where data and programs are stored.
primary memo: rom, ram, cache
secondary memo: external storage devices
9RAM(random access memory)
- volatile / temporary memory
- stores: data, files and parts of the operatig system which are currently in use
10ROM(read only memory)
- non volatile / permanent
- stores: the boot process which are the instruction the computer recieves when its turned on
11virtual memorywhen a computer has many processes running at the same time and the RAM does not have enough capacity, this hard disk section is used.
12pagingit is the proces by which the operating system moves data between the
RAM and the virtual memory
13name all unities of dataBYTE
KILOBYTE
MEGABYTE
GIGABYTE
TERABYTE
PETABYTE