Unit №3

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Across
  1. 2. System of computer calculations using a code made of just two numbers -0 and 1
  2. 3. Clock speed is measured in
  3. 4. Main circuit board inside your system
  4. 6. Examines the instructions in the user's program
  5. 7. High-speed units of memory used to store and control data
Down
  1. 1. A small piece of silicon with a complex electrical circuit
  2. 2. Electrical channels which allow devices inside the computer to communicate with each other
  3. 5. Performs mathematical calculations and logical operations
  4. 7. Read only Memory
  5. 8. Random Access Memory