History and Generation of computer | Class 9/11 | Chapter 2 | Part 1

BN Mishra
Computer Lecturer
Shiv Charan Das Kanhaiyalaal I/C
Prayagraj
History of computer
Abacus
Napier bones
Pascaline
Jacquard’s Loom ( punch card )
Charles Babbage machine
1. Difference Engine
2. Analytical Engine
Generation of computer
First generation
Second generation
Third generation
Fourth generation
Fifth generation