Question

List and briefly define the main structural components of a computer.

Answer 1

• Central processing unit (CPU): Controls the operation of the computer and  performs its data processing functions; often simply referred to as processor.

• Main memory: Stores data.

• I/O: Moves data between the computer and its external environment.

• System interconnection: Some mechanism that provides for communication among CPU, main memory, and I/O. A common example of system interconnection is by means of a system bus, consisting of a number of conducting wires to which all the other components attach.