Computer systems

Monitors

A computer monitor is an electronic device that shows pictures. It usually looks like a television. The difference is that you can't change the channels monitors often have higher display resolution than televisions.
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Motherboards

A motherboard is a printed circuit that holds many important components of a computer or any other device.

A hard disk drive

A hard disk drive-a disk drive used to read from and write to a hard disk

RAM

RAM (random access memory) is the most common type of memory found in computers and other devices. It is the short term memory what stores data and information for a certain amount

CPU

CPU ( central processing unit) this is the 'brains' of the computer it stores instructions called a program

Touch screen

A touch screen device is a device that you can touch with your hands or anything else e.g. apple devices are touch screen

Optical drive

optical disc drive is a disk drive that uses laser light or electromagnetic waves

Input/output process

these are the 3 stages of a computer

Operating systems

the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.

How to use a computer

you input-process and output