Ch1

Input Devices

General terms of ICTModule 1GCSC 2013-14Computer FunctionsInputProcessStoreOutput

InputStoreProcessOutputGCSC 2013-14Computer HardwareAll devices used from a computer to perform its different functions.Physical Parts of a Computer.GCSC 2013-14Input Devices

Used to enter data and commands into the Computer.Means of communication between user and Computer.

GCSC 2013-14

Storage Devices & Media

Used to hold data and information.Temporary Random Access Memory (RAM)PermanentHard DiskExternal DiskCompact Disk (CD)USB Flash Memory Stick

GCSC 2013-14Output DevicesUsed to present information.Means of communication between Computer and User.MonitorPrinterSpeakers

GCSC 2013-14Personal Computers categoriesGCSC 2013-14 GCSC 2013-14Comparison TableGCSC 2013-14Comparison TableMemoryGCSC 2013-14Common Digital Hand-held DevicesGCSC 2013-14Main parts of a Computer

GCSC 2013-14System Unit

The main part of the computer that consists of the basic devices to make up the PCGCSC 2013-14CPU Central Processing Unit

The basic circuit of a computer responsible for executing commands, perform calculations and flow of data in the computer.It also communicates with input, output and storage devices.

GCSC 2013-14