E - cash can be ____________ for micro payment ?
Usefull.
Uneconomical.
Economical.
Effective.
As a data packet moves from the lower to the upper layer headers are ________ ?
Added.
Subtracted.
Rearranged.
Modified.
OSI:
Which of the following statement is correct ?
Terminal section of a synchronous modem contain the scrambler.
Receiver section of a synchronous modem contains the scrambler.
Transmission section of a synchronous modem contains the scrambler.
Control section of a synchronous modem contains the scrambler.
Lowest layer of the O S I model is ?
Physical layer.
Link layer.
Network layer.
Transport layer.
___________ is a computer network designed to span short distance and connect a relatively small number of computers ?
MAN.
LAN.
WAN.
Internet.
http ?
hyper text transfer protocol.
hyper text table protocol.
hyper text transmission protocol.
high text table port.
Videotex is a combination of ?
Television.
Communication.
Computer technology.
All of the above.
A subdivision of main storage created be operational software is referred to as :-
compartment
time-shared program
divided core
partitions
