CompSci OCR Paper1

FDE CYCLE

ETHICS

1

Computer Science Heuristics

Problem-solving strategies that use practical and intuitive approaches to find solutions. They are often used in computer science to quickly solve complex problems that are difficult to solve using traditional methods. Examples include trial and error, rule of thumb, and educated guesses.

the effect of the fetch decode execute cycle on the registers

This cycle affects the state of registers in a CPU. During the fetch stage, data is loaded into the instruction register. During decode, the instruction is decoded and operands are identified. Finally, during execute, the instruction is executed and the result is stored in the appropriate register.