Computer Hardware and Software Quiz

What is an input device?

• A device that displays results

• A device that processes data

• A device that gives data or instructions to the computer

• A device that stores information permanently

Which of these is NOT an example of an output device?

• Monitor

• Scanner

• Printer

• Speakers

What is the main function of RAM (Random Access Memory)?

• It stores data permanently

• It temporarily holds data and programs being used

• It controls the flow of information

• It performs mathematical calculations

What type of monitor technology uses the least electricity?

• CRT monitors

• LCD monitors

• LED monitors

• Plasma monitors

What is the main purpose of the CPU (Central Processing Unit)?

• To store data permanently

• To display information

• To process information and act as the brain of the computer

• To print documents

Which storage device is most likely to be lost due to its small size?

• Hard disk

• Flash drive

• DVD

• CD-ROM

What is a barcode reader used for?

• Taking pictures

• Reading prices and product information

• Playing video games

• Drawing pictures

Which part of the CPU performs mathematical calculations?

• Memory Unit (MU)

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Processing Unit (PU)

What happens to data stored in RAM when the computer is turned off?

• It moves to the hard drive

• It is deleted

• It stays in memory

• It is copied to ROM

Which device can both give input and display output?

• Keyboard

• Mouse

• Touch screen

• Printer