COMPONENTS OF A COMPUTER

Ben Riddock

CPU (Central Processing Unit) The central processing unit (CPU) is the

source that carries out the instructions of a computer program. It basically gives instructions to the computer.

Motherboard

A motherboard is the central printed circuit board in many modern computers and holds many crucial components of the system providing connectors for other peripherals.

Hard Drive

A hard drive is used for comprising one or more rigid rotating discs. You can save your files, music, documents and download certain things. There are different types of hard drive external, internal.

NIC card

A network interface controller (NIC) is a computer hardware component that connects a computer to a computer network. This NIC allows computers to communicate over a computer network.

Fans

The fans are used to cool down the components in the computer, so they don’t overheat and break. It also draws cold air in, to give a better circulation.

Optical drive In computing an optical drive is a disk drive that uses laser light or electromagnetic waves near the light spectrum. You can play DVDs and other discs in a optical drive.

RAMRandom access memory (RAM) is a form of computer data storage. Today it takes the form of integrated circuits that allows stored data to be accessed in any order with a worst case of performance of constant time.

Sound card

A sound card is an internal computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs.

USB connectorUniversal serial bus (USB) is an industry standard developed in the mid 1990s that defines the cables, connectors and communication protocols used in a bus for connection. And also communication and power supply between and electronic devices.

Adapter cards A adapter card in computing is a printed

circuit board that can be inserted into an expansion slot of a computer motherboard. Types of adapter cards PCI, PCIe and card bus.

Input Devices There are many input devices that

involve in our everyday life. There is thing like touch screen , graphics , tablet , games controller , microphone and keyboard . Out of the examples touch screen is the most used, as it used for smartphones as these type of phones have become highly popular.

Output Devices Printer , monitor and speakers are all

types of outputs. Printers used widely in businesses and in home use. Monitors are also the same as they are widely used in businesses and in home use. Speakers are mostly used in the music industry. The speakers output sound , the printer outputs images and the monitor outputs light.

Inside of a computer

Fan / heat sink / processor

Memory

Pci slots

Graphics card/video card

Power supply

CD ROM drive

Hard disk drive