HISTORY OF COMPUTING : LSUS

DATA PROCESSING SSS1 FIRST TERM

WEEK 2

HISTORY OF COMPUTING

Contents

EARLY MECHANICAL COUNTING/CALCULATING DEVICES

  1. Abacus
  2. Slide rule

EARLY ELECTRO-MECHANICAL COUNTING DEVICES

  1. John Napier bone
  2. Blaize Pascal machine
  3. Gottfried Leitbnitz machine
  4. Joseph Jacquard Loom
  5. Charles Babbage's analytical machine

EARLY ELECTRONIC COUNTING DEVICES:

  1. Herman Hollerith punch card
  2. John Von Neumann machine

Man has put in every effort to have better methods of calculations. As a result of man’s search for fast and accurate calculating devices, the computer was developed. Essentially, there are three kinds of calculating devices: manual, mechanical and automatic.

ABACUS

The first calculating.... View More

Subscribe now to gain full access to this lesson note

Take Me There

Click here to gain access to the full notes.