GENERAL OBJECTIVES: On completion of this module, the student should be able to: 1.0 Know the processor and the component parts. 2.0 Understand memory and storage devices of computers. 3.0 Know the operations of input devices in computer system. 4.0 Know the operations of output devices in computer system. 5.0 Understand concepts and function of power supply in computer system. 6.0 Understand the serial and parallel communication and devices in computer. 7.0 Understand the multi-user environment. 8.0 Know the different types of modems and their uses