TV was invented by…………
a) Graham Bell
b) Marconi
c) Sikorsky
d) John Logie Baird
………..is a modern form of telephone. It is used to send written massages.
a) Mobile
b) Fax
c) Email
d) Whatsapp
Which is the fastest mode of sending messages?
a) television
b) mobile phone
c) postal service
d) radio
Mobile phone is also called……….
a) smart phone
b) call phone
c) cell phone
d) none of these
Computer is the most important invention of the
a) 18th century
b) 19th century
c) 20th century
d) 21th century
In past the basic need of humans were………
a) food, clothes and shelter
b) education and house
c) modern technologies
