In _________ generation of computers used vacuum tubes, this made them very bulky and they generated a lot of heat.
First
Second
Third
Fourth
In _________, Leibnitz improved Pascal's machine.
1834
1617
1694
None of these
What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?
Babbage's Analytical Engine
Pascaline
Napier's Bones
In third generation computers _________ helps to increase the speed and efficiency of computers.
Vacuum tubes
Transistor
Integrated Circuits
Fourth Generation of computers were used in __________ period.
1964-1970
1971-1980
1959-1963
Abacus was invented around ___________
5000 BC
4000 BC
___________ improved Pascal's machine.
John Napier
Leibnitz
Blaise Pascal
Charles Babbage
In fourth generation computers ___________ were used.
Microprocessors
The third generation of computers used ____________.
Integrated circuits(ICs)
A modern computer has.
Extremely high speed
Large memory
Almost unlimited array
All the above