5th class unit 1 test

in _______ Sir john Napier made a calculating device named Napier's bones

• 1614

• 1615

• 1616

• 1619

_________ was used to find square root of a number

• Abacus

• Napier;s bone

• Pascaline

• None

In which year first mechanical calculator was invented?

• 1616

• 1641

• 1642

• 1643

______ invented the first general purpose Computer known as the analytical engine.

• Blaise Pascal

• John Napier

• Charles Babbage

• None

ENIAC stands for _________

• Electronic Numerical Integrator And Calculator

• Electrical Numerical Integrator And Calculator

• Electronic Numerical Integrator And Computer

• Electronic Numerical Integrator And Computer

Transistors are used in which generations of computers.

• 1st generation

• 2nd generation

• 3rd generation

• None of these

Microprocessors were used in

• 1st generation computer

• 4th generation computer

• 5th generation computer

• 3rd generation computer

EDSAC stands for

• Electronic Discrete Storage Automatic Computer

• Electronic Delay Storage Automatic Calculator

• Electronic Delay Storage Automatic Computer

• Electronic Device Storage Automatic Computer

Pascaline is the first

• Electronic Machine

• Manual Machine

• Mechanical Calculator

• None of above

EDVAC stands for

• Electronic Data Variable Automatic Computer

• Electronic Discrete Variable Automatic Computer

• Electronic Discrete Variable Automatic Calculator

• Electronic Domain Variable Address Computer