Answer:
C. A processor register is one of a small set of data holding places that are part of the computer processor.
Step-by-step explanation:
Registers are high-speed storage elements within the CPU (Central Processing Unit) of a computer. They are small and fast memory locations directly accessible by the CPU. Registers store data, instructions, memory addresses, and intermediate results during the execution of a program.
Registers are an essential component of the CPU and play a crucial role in various operations, such as arithmetic calculations, logical operations, data movement, and control flow. They provide quick access to frequently used data and help improve the overall performance of the processor.
So, option C accurately describes the function of registers in a CPU.