Computer Science Ques 128

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 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 instruct ion from current instruction Address. Update current instruction address, execute the fetch instruction.}This sequence is called the execution cycle.