1.1.4 CPU Arcitecture

Question 1

Von Neumann Architecture

Answer 1

This architecture works on the stored program concept:
A program must be stored in main memory to be executed.
Its instructions are fetched one at a time and executed serially.

Question 2

Units, Registers & Buses

Answer 2

Von Neumann uses; One control unit, One ALU, Five Registers, Three Buses

Question 3

Harvard Architecture

Answer 3

Harvard architecture has two memory locations; one for data and one for instructions. The instructions tend to not change so are kept in ROM. Harvard architecture is mainly used in things like sonar and signal monitoring