Terms Flashcards
Learn the alphabet soup
IT
Information Technology
Binary Digits
Ones and Zeros
Data
Information stored in Binary code
ICT
Information and Communications Technology
Computer
A system that manipulates data according to a set of instructions.
Elements needed for a computer to perform useful tasks?
Hardware, software and the user
Hardware
Devices and components that make up a computer system. Can be parts contained in the case or connected to the computer (peripheral devices)
Peripheral Devices
Things connected to the computer – printer; keyboard, mouse, etc. They allow info to be input (entered) and output (retrieved)
OS
Operating System – basic software environment that allows the computer to run
Applications
Software installed with the OS to extend the range of what the computer can do – word processing, excel, etc
Interface
Software/Hardware used by the user to control the computer system – keyboard, word processing
RAM
Random Access Memory
CPU
Central Processing Unit
Workstation
type of PC housed in a case – also called desktop PC or desktop. Can be used by a single user or as part of a network client to access shared resources
Computer Performance is determined by?
Speed of the CPU, System memory, Hard drive storage capacity, optional components (like sound card/webcam), and quality of peripherals (mouse, keyboard, etc)