Inside the system

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Across
  1. 3. - is a unit of digital data that is equal to about 1 trillion bytes.
  2. 4. - the main circuit board inside your system called ...
  3. 6. - it is the "brain" of the computer.
  4. 9. - is a set of instructions, data or programs used to operate computers and execute specific tasks.
  5. 11. - a unit of frequency equal to one billion hertz.
  6. 13. - is a peripheral machine which makes a persistent representation of graphics or text, usually on paper.
Down
  1. 1. - is an output device that displays information in pictorial or textual form.
  2. 2. - it includes input devices, output devices, storage media .
  3. 5. - electrical channels which allow allow devices inside the computer to communicate with each other.
  4. 7. - a storage space for units of memory that are used to transfer data.
  5. 8. - is an input device that allows you to enter letters, numbers and symbols into your computer.
  6. 10. - is volatile form of computer memory that can be read and changed in any order.
  7. 12. - is non-volatile, containing instructions and routines for the basic operations of the CPU.