Anatomy of computer

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Across
  1. 3. power supply unit, the device which regulates and distributes the power to the components inside your computer.
  2. 5. a set of computer instructions in firmware which control input and output operations.
  3. 7. central processing unit, A unit that processes the computer's instructions
  4. 8. random access memory, This is where, before being processed, a PC stores data.
  5. 10. for attaching an external computer, such as a printer. There is both a parallel port and at least one serial port on most personal computers.
Down
  1. 1. Accelerated Graphics Port, a port which houses the graphic card which provides an image on the computer screen.
  2. 2. A printed circuit board that contains most of the computer's components
  3. 4. universal serial bus, a standardized technology for attaching peripheral devices to a computer.
  4. 6. A circuit board in a computer made for the creation or reproduction of sound
  5. 9. a port that allows high-speed communication and data exchange between a computer and a peripheral or between two computers.
  6. 10. Peripheral Component Interconnect, slots for connecting computers and their peripherals.
  7. 11. A type of port used for the attachment of input devices such as keyboards and mice by older computers