IGCSE ICT Revision

Internal storage that cannot be changed.  Holds the instructions to start the computer.

• RAM
• Hard Disk Drive
• ROM
• CPU

Internal storage that holds the instructions and data for the programs currently running. The data is lost when the computer is turned off

• RAM
• Hard Disk Drive
• ROM
• CPU

The "brains" of the computer, executes program instructions.

• RAM
• Hard Disk Drive
• ROM
• CPU

What type of device is a hard disk drive?

• Input
• Output
• Storage
• Processing

What type of device is a USB memory stick?

• Input
• Output
• Storage
• Processing

What type of device is a tracker ball?

• Input
• Output
• Storage
• Processing

A slow, noisy, cheap printer that might be used to print reciepts in shops

• Laser
• Dot Matrix
• Ink Jet
• Plotter

A large, expensive printer that might be used by architects to print plans

• Laser
• Dot Matrix
• Ink Jet
• Plotter

A direct input device that might be used to score multiple choice exams

• RFID
• MICR
• OMR
• QR

The part of an expert system that holds questions and logic

• Knowledge Base
• Inference Engine
• User Interface
• Elephant