Computing crossword

3. Is part of the system bus, used by CPUs for communicating with other devices within the computer.
4. Holds the address of the current instruction that is to be fetched from memory, or the address in memory to which data is to be transferred.
6. Is the cycle that the central processing unit CPU follows from boot-up until the computer has shut down in order to process instructions.
8. A communication system that transfers data between different components in a computer or between different computers.
10. A multi-purpose computer whose size, capabilities, and price make it feasible for individual use.
12. Is the electronic circuitry within a computer that executes instructions that make up a computer program.
14. Store small amounts of data that are needed during processing

1. Performs all mathematical calculations
2. Directs the operation of the proccesor
5. An element in a computer CPU that transmits the location of stored information
7. Single computer bus that connects the major components of a computer system
9. Holds the data being processed and the results of processing.
11. Holds the instruction that is currently being decoded and executed.
13. Holds the contents found at the address held in the MAR, or data which is to be transferred to primary memory.