Class notes AHHI 117:COMPUTER CONCEPTS AND APPLICATIONS

Technical
University of Kenya

Hardware &
Software

Liech J.G.

,COMP102 Prog. Fundamentals I: Software / Slide 2




Hardware
 Four components of a computer system:
 CPU - central processing unit
– Makes decisions, performs computations, and
delegates input/output requests
 Memory: Disk Drives, CD drives, Tape drives, USB
flash drives.
– Stores information
 Input devices: Keyboard, Mouse,
– Gets information from the user to the computer
 Output devices: monitor
– Sends information from computer to the user
Liech J.G.

, COMP102 Prog. Fundamentals I: Software / Slide 3




Hardware

Memory


Input Output
Devices Devices


CPU




Liech J.G.