Overview
List early counting devices.
State the problems in counting large numbers with those devices;
Name mechanical counting and calculating devices
Name electromechanical counting devices
Compare electronic counting devices with modern computer
State the contributions of named IT inventors
Identify the five generations of computers
Describe the features of each generation
What you'll learn
- Early counting devices (fingers, stones, sticks, pebbles, cowries, etc
- Mechanical counting and calculating devices: Abacus, Slide rule etc
- Electro-mechanical counting devices:
- - John Napier bone
- - Blaire Pascal machine
- - Gottfried Leibniz machine
- - Joseph Jacquard loom
- - Charles Babbage analytical machine
- - Philip Emeagwali
- Electronic counting devices and modern computer:
- i. Herman Hollerith punch cards
- ii. John Von Neumann machine
- iii. Modern mac
- Generations of computers:
- - First
- - Second
- - Third
- - Fourth
- - Fifth