Revision Yr 2

Which type of computer is most commonly used in schools and offices?

• Supercomputer

• Desktop computer

• Smartphone

Answer explanation

Desktop computers are commonly used in educational and professional environments.

Why is it important to turn off a computer properly?

• To save electricity and protect files from corruption.

• To allow the computer to update itself.

• To keep the computer warm.

Answer explanation

Proper shutdown ensures files are saved and prevents hardware damage.

What does the folder icon on a computer usually represent?

• A shortcut to the internet

• A trash bin for unwanted files

• A place to organize and store files

Answer explanation

Folder icons are used for organizing and storing digital files.

Which of the following is a troubleshooting step if a computer freezes?

• Force restart using the power button if other methods fail.

• Disconnect all cables from the computer.

• Wait indefinitely without taking any action.

Answer explanation

Restarting can help reset the computer, but it should only be done if other methods fail.

Which of these is NOT an output device?

• Speaker

• Mouse

• Printer

Answer explanation

A mouse is an input device because it sends commands or data to the computer, such as clicking, dragging, or moving the pointer.

What is the first step when logging into a computer?

• Double-click on an icon.

• Open the start menu.

• Enter your username and password.

Answer explanation

Logging in requires providing the correct username and password to access the system.

Which of these devices is portable and stores data?

• USB flash drive

• Desktop computer

• USB flash drive

Answer explanation

USB flash drives are small, portable storage devices.

What should you avoid doing to a computer to ensure its maintenance?

• Installing regular updates

• Keeping it clean from dust

• Eating and drinking near it

Answer explanation

Eating and drinking near a computer can cause damage from spills and crumbs.

Which storage device is designed for storing large amounts of data permanently?

• USB flash drive

• Hard drive

• RAM

Answer explanation

Hard drives are built for long-term data storage, while RAM is temporary memory.

What is the purpose of software updates?

• To delete unnecessary files.

• To slow down the computer.

• To make the computer work better and keep it safe from problems.

Answer explanation

Software updates improve functionality and protect against new security threats.