SKO - Year 9 - Autumn 1

What is a CPU?

• The abbreviation for central production unit. This is where the computer takes information from storage and produces data that will be outputted through devices.

• The abbreviation for central processing unit. Sometimes referred to simply as the central processor, The brain of the computer.​

• The abbreviation for central promotion unit. This is where the computer promotes key parts of data that need a lot of attention from the user.

What is ALU?

• Arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations.​

• It stores data in memory

• A calculator for the computer

This component of the computer's central processing unit (CPU) directs the operation of the processor. ​Which is it?

• CU (Control Unit)

• ALU (Arithmetic Logical Unit)

• RAM (Random Access Memory)

One of a small set of data holding places that are part of the computer processor.​ Which component is this?

• ROM (Read Only Memory)

• ALU (Arithmetic Logical Unit)

• Registers

What is ROM?

• Computer memory chips containing permanent or semi-permanent data​

• A part of the computer

• A method of ensuring cyber security

What is Von Neumann architecture?

• Instruction to building a computer

• A part of a computer

• Von Neumann architecture is based on the stored-program computer concept, where instruction data and program data are stored in the same memory.​

What is the term used to describe the following process? 'How the CPU carries out an instruction or instructions.​'

• Fetch-decode-execute cycle​

• Decode-execute-fetch cycle

• Execute-fetch-decode cycle

What component stores information temporarily?

• Arithmetic Logical Unit (ALU)

• Control Unit (CU)

• Memory

Which component is used to store running programs and data for the programs?

• RAM (Random Access Memory)

• Registers

• ROM (Read Only Memory)

Which of the following is the smallest unit of data?

• Bit

• Nibble

• Byte