Computing CPU, MEMORY and more

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Across
  1. 3. What does the U stand for in CPU
  2. 4. the code that gives letters and symbols a value A=65
  3. 6. 6F is an example of this
  4. 7. the name given to the only language that computers understand
Down
  1. 1. the type of memory that is on a CD or DVD
  2. 2. What is the value of a single 1 or 0
  3. 5. What type of memory would you expect to find in a mobile phone
  4. 7. what is 8 bits