1.1 System architecture V2

1.1 System architecture V2

1. Hardware: hardware is the physical parts of all components of a computer.

2. Peripheral: a peripheral device is any auxiliary device such as a computer mouse or keyboard that connects to and works with the computer in some way.

3. Input Peripheral: A device that may be connected to a computer system. They are used to bring data from the physical world into the computer system.

   • Mouse and touchscreen

4. Output Peripheral: A device that may be connected to a computer system. They are used to bring data from the computer system to the outside world. It is basically the opposite to Input Peripheral.

   • Monitor and Speakers

5. Storage Peripheral: A device which is used to store data a files on.

   • CD and memory stick

6. BIOS: Basic Input Output System. A small program is stored on the ROM chip to load the operating system correctly.

7. CMOS Battery: Small battery used to keep track of the time when a computer is switched off.

8. CPU: Central Processing Unit. The device used to control and execute commands within the computer.

9. GPU: Graphics Processing Unit. Used for processing of graphics , particularly used by gamers and graphic designers.

10. Hard Drive:Area of storage used to retain documents and programs.

11. Motherboard: The motherboard connects all the components together, which allows them to communicate.

12. PCl: An expansion port that allows a computers capabilities to be upgraded.

13. PSU: Power Supply Unit. Converts main Ac to low-voltage DC power to power all components of a computer.

14. RAM: Random Access Memory, a place where data and instructions that are currently in use can be stored there.