P1 - Fetch-decode-execute Cycle

Question 1

What happens during the fetch execute cycle?

Answer 1

The computer retrieves a program instruction from its memory. Then it establishes and carries out the actions that are required for that instruction.

Question 2

What repeats the feth-decode-execture cycle continuously?

Answer 2

The CPU

Question 3

What is the definition of cache?

Answer 3

An extremely fast memory type that acts as a buffer between RAM and the CPU. It holds frequently requested data and instructions and can provide this immediately to the CPU when needed

Question 4

What is a CPU?

Answer 4

Central Processing Unit
The primary component of a computer that processes instructions. It runs the OS and applications. Constantly receiving inputs from the user. (+ CONTROLS FETCH-DECODE-EXECTURE cycle)

Question 5

What is ROM?

Answer 5

A type of storage medium that permanently stores data on personal computers (PC’s) and other electronic devices

Question 6

What is an address bus?

Answer 6

A computer bus architecture. Used tp transfer data between devices. The devices are identified by

Question 7

What are some features of the ‘Von Neumann’ and the stored program concept?

Answer 7

• Instruction data and program data are stored in the same memory
• still used in most computers today

Question 8

What are the two items which reside in memory?

Answer 8

Data and Instructions