BSG IGCSE ICT unit 1

Define a computer.

What is Hardware? Define and give 2 examples.

What is Software? Define and give 2 examples.

What are the 3 main computer components

• Peripheral devices

• CPU

• Processor

• Main Memory

What does the CPU do? Define and explain.

Describe RAM

• RAM is volatile
• RAM never stores data
• RAM programs turn off if you close the computer
• RAM is the same as ROM

What is a main memory?

Which are input devices?

• Keyboard

• Printer

• Webcam

• Mouse

Which are output devices?

• Printer

• Monitor

• Webcam

• Loudspeaker

Secondary storage such as CD-ROM, floppy disk and USB are non-volatile. True or False?