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
Telephones across the countries are connected by:
STD
Local
ISD
ATM
E-Mail means
easy mails
electronic mails
early mails
expanded mails
Which one of the following is a disadvantage caused by the development of technology?
Technology saves time
Work can be easily done by technology
Technology improves quality of life
Technology has resulted in increasing atmospheric pollution
Who invented aeroplane?
The Aeroplane brothers
The Wright brothers
Alexander Fleming
Thomas Alva Edison
Expand the term FAX
Facsimile Exchange
Fact Exporter
Far Exchange
Facsimile Adapter
Which one of the following is used by the navy in the naval warfare including the launch missiles?
Submarine
Yacht
Motor boat
Rocket
STD means:
Standard Trunk Dialing
State level Trunk Dialing
Subscriber Trunk Dialing
Specific Trunk Dialing
E - Mails are sent through
post covers/cards
telephone
radio
computer
Which one of the following is very useful for the communication for the people working in police and army?
Newspaper
Wireless communication
Television
Telegraph