Computer Parts Cross word

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Across
  1. 2. The unit that performs basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions of a program.
  2. 3. The unit that stores permenant data.
  3. 4. The unit that stores temporary data.
  4. 5. The main circuit board
Down
  1. 1. The unit that processes graphics.
  2. 2. The unit that reads CDs