What is the CPU and how does it work?

123456
Across
  1. 2. One GHz is one ______ cycles a second.
  2. 3. Central Processing Unit
  3. 5. A measure of how fast the CPU runs.
  4. 6. The _____ the clock speed, the more FDE cycles can be processed.
Down
  1. 1. Clock speed is measured in ______.
  2. 4. The CPU is used to _____ data and instructions.
  3. 6. Fetch-Decode-Execute cycle.