Special Purpose Registers

123456789101112131415161718192021222324252627282930
Across
  1. 2. Smallest unit of data, represented as 0 or 1.
  2. 4. Operation that transfers control to a different instruction.
  3. 6. Value added to a base address to get an effective address.
  4. 7. Value or address used by an instruction.
  5. 8. Small, fast memory for frequently accessed data.
  6. 12. Tracks the number of executed instructions. (TWO WORDS)
  7. 14. Storage location for data and instructions.
  8. 17. Temporary storage area.
  9. 18. Mechanism for handling exceptional conditions.
  10. 21. Central Processing Unit, the brain of the computer.
  11. 23. Unique CPU storage locations with specific functions. (TWO WORDS)
  12. 25. Interpret the instruction to determine actions.
  13. 26. Register used for indexed addressing.
  14. 28. Operational state of the CPU or system.
  15. 29. Software that mimics hardware behavior.
  16. 30. Retrieve an instruction from memory.
Down
  1. 1. Small CPU used in computers and devices.
  2. 3. Command for the CPU to execute.
  3. 5. Device or register that counts occurrences.
  4. 9. Perform an instruction or program.
  5. 10. Base-2 number system used by computers.
  6. 11. Register used for arithmetic and logic operations.
  7. 13. Numeric location of data in memory.
  8. 15. Base-16 number system.
  9. 16. Operation of increasing a value by one.
  10. 19. Section of memory used for specific purposes.
  11. 20. Part of an instruction specifying the operation to be performed.
  12. 22. Variable that holds a memory address.
  13. 24. Arithmetic Logic Unit, performs arithmetic and logic operations.
  14. 27. Indicator used to represent the status of a condition.