invention

The steam engine is invented by

• John Baird

• James Watt

• Charles Babbage

• Robert Hutchings Goddard

Radio has been invented by whom?

• Guglielmo Marconi

• James Watt

• Charles Babbage

• Robert Hutchings Goddard

Computer has been invented by whom?

• James Watt

• John Baird

• Charles Babbage

• Robert Hutchings Goddard

Wood from trees are made into _________ before being made into paper

• tissue

• wood

• pulp

• sheets

The first computer was made using the ____________ technology

• Punched card

• Pascaline

• microprocessor

• LCD

The _________ used smoke signals to send messages

• African tribes

• Indians

• Ancient Chinese

• Mesopotamians

________ invented the microprocessor

• intel

• HCL

• TCS

• BCD

____________ helped Alexander Graham Bell, when he invented the telephone

• Thomas Watson

• James Watt

• Guglielmo Marconi

• John Baird

The first means of wireless communication was through the _________

• Radio

• Internet

• Computer

• Telephone

Telephone was invented by _________

• Wilbur Wright

• Alexander Graham Bell

• Guglielmo Marconi

• James Watt