Who invented the Abacus ?
Indians
Americans
Chinese
Japanese
How many generations can computer be classified to?
4
5
3
6
Which device is this ?
Calculator
Abacus
Type writer
Keyboard
Which of the following device is invented by John Napier ?
Analytical Engine
Napier's Bones
Pascaline
The first counting tool was the
Punch Card
Aba Zaba
Second Generation Computers are made of :
Vacuum Tubes
Transistors
IC chips
Micro processor
Napier Bones
Punched card
Abacus is:-
Storage machines
Typewriting machine
Counting and calculating machine.
Playing machine
First Generation of computer was based on which technology?
Transistor
Vacuum Tube
Integrated Circuits
Very Large Scale Integrated
Who invented ' Tabulating Machine '?
Charles Babbage
Blaise Pascal
John Napier
Herman Hollerith
