Computer

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Across
  1. 2. The internal hardware devices that make up a computer and ensure its functionality
  2. 4. Sometimes referred to as the 'brain' of the computer
  3. 5. The part that holds data and instructions that the computer is processing at the time
  4. 6. A set of instructions that a computer needs to carry out its tasks
Down
  1. 1. Hardware devices that are not essential to a computer's function
  2. 3. All the raw facts and figures that a computer processes by following a program
  3. 5. All the parts of a computer system that you can see and touch