Types & components of computer systems Flashcards
Hardware
The physical components of a computer system such as motherboards, memory, sound cards, screens/monitors, keyboards, printers, etc.
Software
Programs for controlling the operation of a computer or for the processing of electronic data.
Device driver
A short, specially written program that understands the operation of the device it controls/operates. For example, driver software can operate/control a printer or scanner. Driver software is needed to allow the systems or applications software to control the device properly.
Operating system
Software that controls the hardware of a computer and is used to run the applications software. Operating systems control the handling of input, output, interrupts, etc.
System software
Any computer software that manages and controls the hardware thus allowing the applications software to do a useful job. System software consists of a group of programs.
Utility software
Part of the system software that performs a specific task such as creating a new folder, copying files, etc.
BIOS
[Basic Input/Output System] stored in ROM and holds instructions used to ‘boot’ [start] the computer up when first switched on.
RAM
Random Access Memory - fast temporary memory which loses its contents when the power is turned off.
ROM
Read Only Memory - memory stored on a chip which does not lose data when the power is turned off.
Artificial Intelligence [AI]
Creating computer programs or computer systems that behave in a similar way to the human brain by learning from experience, etc. The computer, just like a human, is able to learn as it stores more and more data.