Flashcards

Systems

Dean Whittle IT GCSE Inglês 12 flashcards

Flashcards do conjunto (12)

1RAMMain memory. Data stored on it is lost when the computer is switched off
2ROM (Read Only Memory)ROM cannot be changed and it is used by the system with essential settings that are used when the computer is switched on.
3SoftwareThe actual programs or coded instructions that make the computer run.
4HardwareThe physical parts that make up a computer system.
5CPU (Central Processing Unit)Controls the input of data and the output of information
6MotherboardThis is the large printed circuit board inside the computer that contains the CPU and memory
7Input Devicesused to input data into a computer system: keyboard, mouse, joystick and sensors are commonly used input devices.
8Output Devicesused to output data from a computer system: printers and computer screens are commonly used output devices.
9Backing StorageUsed to store data for use in a computer system: normally there is a hard disk fitted as a backing store.
10Mainframe computersMainframe computers are powerful and are mainly used by large organisations for bulk data processing.
11SupercomputersSupercomputers are high specification computers that are capable of performing complex calculations at very high speed. Used in research establishments
12Embedded SystemsThe output from the system can be input into another system; this technique is used frequently in the aviation and motoring industry where embedded ICT systems communicate to perform further calculations.