Question

1. Which of these figures did not play an important role in the development of computing during the first half of the 20th century?

   		John von Neumann
   		Alan Turing
   		Charles Babbage
   		Grace Hopper

Answer 1

An: Charles Babbage

He is born in the 18^th century and died in the 19^th century(1791-1871). The rest of them lived in the 20^th century.

All are a famous computer scientist and contributed to the development of computing.

• Charles Babbage is known as father of computer
• John von Neumann is a pioneer of the modern computer.
• Alan Turing invented Turing machine during the World war 2 and test the computer intelligence.
• Grace Hopper one of the first computer programmers and helped to develop COBOL.