Essential introduction to computers – Part 1. Outline. Computers and computer literacy What is a computer? The information processing cycle Data versus information Components of a computer Input devices The central processing unit The main memory Output devices
Ken invented UNIX in cooperation with Dennis and Dennis invented the C Programming Language
Numeric Keypad Keys
The keyboard ...
Special Purpose Keys
Cursor Movement Keys
CPU carries out instructions retrieved from main memory.
CPU contains the CU and the ALU