OCR Entry level revision

What is a key difference between primary and secondary memory?

• Primary memory is larger than secondary memory.

• Primary memory is external storage.

• Primary memory is faster and temporary, while secondary memory is slower and permanent.

• Primary memory is used for backups.

What is the purpose of RAM?

• To permanently store data.

• To connect to the internet.

• To run software applications.

• To temporarily store data for quick access.

Why do computers use binary?

• Because it uses more memory.

• Because they are digital and can only store on or off.

• Because it is easier for humans to read.

• Because it allows for more complex calculations.

Which of these is the equivalent of a kilobyte?

• 1024 bytes.

• 2048 bytes.

• 1000 bytes.

• 512 bytes.

What is a character set?

• A hardware component.

• A type of software.

• A collection of characters that can be used in computing.

• A programming language.

How do you work out the size of a text file?

What is an algorithm?

• A step-by-step procedure for solving a problem

• A type of computer hardware

• A programming language

• A data storage method

What is a pixel in the context of images?

• The resolution of an image

• The size of an image

• The color depth of an image

• The smallest unit of a digital image

What is the binary equivalent of the denary number 13?

• 1001

• 1011

• 1101

• 1110

Which component is responsible for temporarily storing data that the CPU is currently using?

• Hard Drive

• RAM

• GPU

• Power Supply