Sound and pictures can be broadcast through
newspaper
radio
television
fax
Which one of the following order of development of technology in the communication is correct?
Telephone → Telegraph → Smoke Signal
Telegraph → Telephone → Smoke Signal
Smoke Signal → Telegraph → Telephone
Smoke Signal → Telephone → Telegraph
Who invented aeroplane?
The Aeroplane brothers
The Wright brothers
Alexander Fleming
Thomas Alva Edison
Which one of the following does not represent advances in communication technology?
Cell phones
Computer
DTH (Direct To Home) dish antennas
A microwave oven
ISD means:
International Subscriber Dialing
Interstate Subscriber Dialing
Indian Subscriber Dialing
Internet Subscriber Dialing
Written message can be communicated instantly by
a pager
a fax machine
a mobile phone
both first and second
STD means:
Standard Trunk Dialing
State level Trunk Dialing
Subscriber Trunk Dialing
Specific Trunk Dialing
Which one of the following helps us to send and receive instant messages?
Postal letters
Radio
Pager
Television
Which one of the following is used by the navy in the naval warfare including the launch missiles?
Submarine
Yacht
Motor boat
Rocket
Which one of the following correctly represents the correct order of development of devices of communication since the ancient times?
Letter→Newspaper→Radio→Television
Letter → E-Mail→Radio→Television
Telephone→ISD→STD→Local
Telegram→Parcel→Postcard→E-Mail
