Computers Flashcards
What are the two definitions of a computer?
A programmable machine.
Or,
An electronic device that takes in data, processes it and then outputs the result.
What is the function of a Hard Disk Drive?
A storage device where all the programs and data are stored.
What hardware component is a storage device where all the programs and data are stored?
The Hard Disk Drive
What does RAM stand for?
Random Access Memory
What is the function of a RAM?
Temporary memory which is used to store data and instructions for programs currently in use. Data and instructions in RAM are lost when the computer is switched off or loses power.
What hardware component has temporary memory which is used to store data and instructions for programs currently in use?
The RAM
What does CPU stand for?
Central Processing Unit
What is the function of the CPU?
This is often called ‘the brain’ of the computer. The CPU carries out the instructions. When you type or click, it is the CPU that will carry out your instructions.
What hardware component is often called ‘the brain’ of the computer and carries out the instructions?
The CPU
What is the function of the power supply?
This is a box in the computer that powers the machine. It’s normally has an in-built fan, to keep it cool.
What hardware component is a box in the computer that powers the machine?
The Power Supply
What is the function of the heat sink?
This normally sits on top of the CPU and draws heat away from the CPU, which can get very hot carrying out all the instructions, so that the CPU can work at maximum efficiency.
What hardware component normally sits on top of the CPU and draws heat away from it so that the CPU can work at maximum efficiency?
The Heat Sink
What is the function of the Motherboard?
This is the electronics board that all the components of a computer connect to or are attached to.
What hardware component is the electronics board that all the components of a computer connect to or are attached to?
The Motherboard