ICT IGCSE Part 2

This is not a mouse but is used to manoeuvre objects around the screen in computer video games.

• Touch pad

• Joystick

• keyboard

• scanner

This is used to type in text.

• Touch pad

• Joystick

• keyboard

• scanner

This is provided with a laptop to imitate the functions of a mouse.

• Touch pad

• Joystick

• keyboard

• scanner

What is ALU & CU? - (Arithmetic and logic Unit / Control Unit)

• Part of Control output devices

• Part of computer networks

• Part of CPU

• Part of input & output devices

its a portable document format which displays text and graphics in the same fixed layout.

• .TXT

• .GIF

• .PDF

• .CSV

It uses data compression to reduce the file size and allows still or moving images to be stored

• .TXT

• .GIF

• .PDF

• .CSV

It converts high level language program into machine code.

• System

• a compiler

• applications

• A barcode reader

the software designed to manage computer hardware

• System

• a compiler

• application

• A barcode reader

the software examples include word processing and spreadsheets

• System

• a compiler

• application

• GUI

It is a device used to input a PIN

• An interpreter

• A compiler

• A numeric keypad

• A 3D printer