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Across

1. The process of carrying out the operation specified by an instruction using the data from registers and memory.

2. The process of transferring data between the computer and external devices, such as keyboards, monitors, and printers.

3. The component of a CPU that manages the execution of instructions, coordinates the activities of the other components, and controls the flow of data within the CPU.

4. a register that stores data being transferred to and from the memory unit

5. A bus in a computer architecture that is used to specify the memory address in read or write operations.

6. a special-purpose register in a CPU that is used for arithmetic operations and holds the results of calculations

7. a register that keeps track of the address of the next instruction to be executed in a program

8. A computer architecture where where programs and data are stored in the same memory and can be executed sequentially by the CPU

9. A bus in a computer architecture that is used by the CPU to communicate with other hardware components and control their operations.

10. The process of retrieving a program instruction from memory so that it can be executed by the CPU.

Down

11. a register that holds the currently executed instruction in a CPU

12. The primary component of a computer that performs most of the processing inside the computer, including performing arithmetic, logical, control, and input/output operations.

13. a register that holds the address of a memory location currently being accessed by the CPU

14. A computer that stores program instructions in its memory along with data, allowing the instructions to be treated as data and executed by the CPU.

15. The process of determining the exact operation to be performed and the operands of a given instruction.

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