Which one of the following is a naval vessel that can travel below the surface of the sea as well as on top of it?
Hovercraft
Submarine
Space Shuttle
Ship
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
E-Mail means
easy mails
electronic mails
early mails
expanded mails
ISD means:
International Subscriber Dialing
Interstate Subscriber Dialing
Indian Subscriber Dialing
Internet Subscriber Dialing
E - Mails are sent through
post covers/cards
telephone
radio
computer
Written message can be communicated instantly by
a pager
a fax machine
a mobile phone
both first and second
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
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
Which one of the following is used by the navy in the naval warfare including the launch missiles?
Yacht
Motor boat
Rocket
STD means:
Standard Trunk Dialing
State level Trunk Dialing
Subscriber Trunk Dialing
Specific Trunk Dialing
