Computer Science Ques 263

Question: The sequence of events that occurs in the computer when it is interpreting and executing an instruction is known as a(n),

Options:

A) Execution cycle

B) Instruction cycle

C) Working cycle

D) Machine cycle

E) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

  • When a computer obeys the instructions in a computer program it is said to be running or executing the program. Before a computer can execute a computer program, the program must be resident in memory. Once the program is loaded into memory then the following sequence is carried out. Set instructions address to the address of the first instruction while program not finished {Fetch instruction from current instruction address. Update current instruction address execute the fetch instruction.} This sequence is called the execution cycle.