Grade 5 Evolution of computers

The first mechanical device for calculations developed in china.

• Pascaline

• Abacus

• Leibniz Calculator

The father of computers, Charles Babbage invented :

• Leibniz calculator and Difference engine

• Difference engine and Analytical engine

• Abacus and Pascaline

George Boole was considered the First programmer who suggested the binary data storage

• True

• False

______________________invented the Tabulating machine where punch cards were used to read, process and output data.

• George Boole

• Dr Herman Hollerith

• Howard Aiken

George Boole solved mathematical problems and linked positive results to 1 and negative results to 0.This was called the :

• Calculating logic

• Data storage

• Boolean Logic

Mar1 was invented by :

• John Von Neumann

• Howard Aiken

• John Mauchly

The first general purpose digital computer invented by John Mauchly and Presper Eckert is ENIAC

• True

• False

_____________was the first commercially available computer.

• ENIAC

• UNIVAC

• EDAVC

Vacuum tubes were used in the 3rd generation computers

• False

• True

________________circuitry was used in the 2nd generation of computers.

• Transistors

• Integrated circuits

• Vacuum Tubes