High School: Round 3

Which one of these components keeps the computer running when the power supply goes?

• CPU

• UPS

• Cabinet

• Monitor

Which one of the following components is known as the brain of a computer?

• CPU

• Monitor

• Keyboard

• Hard Disk

Which one of these devices is used to scan pictures and documents?

• Printer

• Scanner

• Monitor

• keyboard

Which one of these components gives electric power to run a desktop computer?

• Lithium-Ion batteries

• Power Supply Unit

• Motherboard

• CPU

What does a Printer do?

• Display images and text

• Play audio and video

• Print images and text on paper

• Produce sound for audio

Which one of these components do we use to give audio inputs to a computer?

• Headphone

• Speaker

• Microphone

• Telephone

How many letter keys does a computer keyboard have?

• 35 keys

• 26 keys

• 27 keys

• 55 keys

Which of these computer components looks like a known animal?

• Keyboard

• Mouse

• Printer

• Monitor

Which of these does not have a keyboard?

• Laptop

• Tablet

• Desktop Computer

• All of the above

Who invented the first mechanical computer?

• Benjamin Franklin

• Blaise Pascal

• Charles Babbage

• None of the above