Section One - Components of a computer system

Subdecks (7)

What is a computer?
A machine that processes data
What does a computer SYSTEM consist of?
Hardware and Software that work together to process data / complete tasks
What is an embedded system?
Computers that are built into other devices like dishwashers. They usually are dedicated systems and are used as control systems
Why are embedded systems more efficient the general purpose computers?
They are usually easier to design, cheaper to produce and more efficient at doing a task
Define Volatile memory
Temporary memory that loses data without power
Define Non-volatile memory
Permanent memory that keeps its data without power
What is RAM?
Random Access Memory that is used as the main memory in a computer. It is volatile
What is ROM?
Read Only Memory that is non volatile . This type of memory can only be read .
What is the purpose of a computer?
To take data, process it and then output it
What is the purpose of the power supply in a computer?
Supplies power to all the hardware in the computer
What is the purpose of a case cooling fan in a computer?
It extract hot air from the computer case
What is the purpose of a CPU heat sink and cooling fan in a computer?
To keep the CPU at a steady temperature - CPUs generate a lot of heat
What is the purpose of a CPU in a computer?
It does all the processing
What is the purpose of the motherboard in a computer?
It is the main circuit board in the computer, and connects all the hardware together