Computer Networking
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

Electronic newspaper
None of these
Paperless office
Global network
Electronic mail

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Computer Networking
The main difference between TCP and UDP is

None of these
UDP is a datagram where as TCP is a connection oriented service
All of these
UDP is connection oriented where as TCP is datagram service
TCP is an Internet protocol where as UDP is an ATM protocol

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