PC system

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Across
  1. 2. The size of a bus is called bus ...
  2. 6. The main circuit board in a PC system
  3. 8. The nerve centre of a PC
  4. 10. Electrical channels which allow devices inside the computer to communicate with each other
Down
  1. 1. Units in which clock speed is measured
  2. 3. ... slots allow users to install expansion cards, adding features like sound, memory and network capabilities
  3. 4. The arithmetic logic unit (ALU) performs mathematical calculations and ... operations
  4. 5. The processor consists of three main parts: the control unit, the arithmetic logic unit and ...
  5. 7. The A in RAM stands for ...
  6. 9. Non-volatile memory, containing instructions and routines for the basic operations of the CPU