System unit components


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System unit components

  1. 1. System Unit Components<br />Computer Systems<br />
  2. 2. A Hard drive is device for digital data; it can store work and others things off your computer on it, the bigger the hard drive is the more memory the computer can store.<br />Hard Drive<br />
  3. 3. The Heat sink is a Cooling device that installed in the computer to stop it from getting overheated; heat sinks are also used in air conditioning units and are a important device in a computer.<br />Heat Sink<br />Heat sink<br />
  4. 4. The power supply to a computer is its main source of power and it crucial for the computer to run unless it can run off its own battery life e.g. a laptop. If a computers power supply is cut then the system will turn off and work will be lost if not saved.<br />Power Supply<br />
  5. 5. The Graphics Card generates output images to a display, different cards offer different added functions for example some allow video capture or TV output.Most computers don’t have graphics but have their own onboard graphics.<br />Graphics Cards<br />
  6. 6. RAM is a form of computer data storage, the RAM disc losses its data when the computer shuts down unless memory is arranged to have a standby battery source.<br />RAM<br />
  7. 7. A port is an interface between are computer to another computer or peripheral devices, a mainly used port is the USB port its is used to connect many devices to the computer.<br />Ports<br />
  8. 8. Processor <br />The processor is the part of the computer which processes or deals with the data and processes in the system.<br />
  9. 9. The Motherboard is the main printed circuit board in the computer. <br />It has many sockets into which the CPU, memory (RAM and ROM), cards (sound, graphics, network interface etc) and peripheral devices are connected. <br />The Motherboard is essential as a means of connecting all of the computer's parts together.<br />Extra boards, called 'daughter boards' can be plugged into the motherboard. <br />Motherboard<br />
  10. 10. Cables are essential in computer systems there are many different types made from different materials. The mains power lead is designed to send power to the system<br />Cables<br />