PRE COMPUTER AGE TO 19TH CENTURY
COUNTING DEVICES (PRE COMPUTER AGE TO 19TH CENTURY) In ancient times, people used fingers to perform the calculations such as addition and subtraction. Even today, simple calculations are done on fingers. Soon, mankind realized that it would be easier to…
DATA AND INFORMATION
Each organisation, regardless of its size or purpose, generates data to keep a record of events and transactions that take place within the business. Generating and organising this data in a useful way is called data processing. In this lesson,…
BASICS OF COMPUTER HARDWARE
Computer hardware refers to the physical parts or components of a computer such as monitor, keyboard, hard drive disk, mouse, printers, graphic cards, sound cards, memory, motherboard and chips, etc all of which are physical objects that you can actually…
Study Guide
