History of computers

What was the first Computer invented

• The abacus

• An Analog computer

• A digital computer

• Super computer

Answer explanation

Russian used abacus more than any countries. The first abacus was in Russia and this was imported from France in the year 1820.

Is abacus a digital computer ?

(a)  

Who devised Napier's bones

• Christopher Latham Sholes

• Douglas Engelbart

• John Napier

• Charles Babbage

Answer explanation

There is a crater on the Moon named after his called the "Neper".

When was Pascaline invented ?

• 1640

• 1948

• 1642

• 1999

Answer explanation

Pascal showed a really impressive propensity for math and science in particular. When he was 16 years old, he wrote a treatise on something called the “Mystic Hexagram.” This treatise is still known today as Pascal’s theorem!

Name the first substanial computer and who invented it ?

• ENIAC Machine by John William Mauchly and John Adam Presper

• Digital computer by Charles Babbage

• Personal Computers by Robert Edwards

• Computer mouse by Douglas Engelbart

Answer explanation

The only mechanical elements of the ENIAC were external to the calculator. This included the IBM card reader for input, a punch card for output and 1,500 relays.

Full form of ENIAC

(a)  

Which two devices were invented that would improve the computer field and set in motion the beginning of the computer revolution

• Transistors and Vaccum tubes

• Mouse and keyboard

• Pen drive and DVD

• CPU and Printer

Which computer has both features of digital computer and analog computer ?

(a)  

Why were hybrid computers used ?

• For Computing numerical results quickly with high precision

• For educational purpose

• For weather forecasting

• For banking purpose

Answer explanation

If there was a computer as powerful as the human brain, it would be able to do 38 thousand trillion operations per second and hold more than 3580 terabytes of memory.

What is the name of the inventor of analytical engine

• Charles Babbage

• Christopher Columbus

• Albert Einstein

• Stephen Hawking