Abacus was invented in_________.
America
China
India
England
___________ machine used wheels and chains.
Abacus
Napliers Bones
Pascaline
Difference engine
The Second generation of computer used____________for processing.
Vacuum tubes
Microprocessor
Transistors
Intergrated circuits
Transistor based computer were ______.
Very huge
Huge
Small
not predictable in size
The First generation of computers used __________.
Integrated circuits
Micro processor
who discovered the slide rule.
John Napier
Blasic pascal
Charles Babbage
Golilifried von Leibniz
Fourth generation of computers used_____________
Microprocessors
___________ is most famous for algorithm.
Blaise Pascal
Leibniz d. john
Charles Babbage designed _______ at first.
Difference Engine
Analytical Engine
The first calculating device is known as_________.
Napier's Bones
