Half Duplex communication

Question

Which of the following statements is correct with respect to Half duplex communications?

a. Error correction is not possible

b. Always a pair of physical links is necessary

c. Two connections can be used for sending and receiving data

d. It cannot be used in broadcast networks

e. All of the above

Answer 1

a) Error Correction is possible. In half duplex communication . In half duplex error occurred only if we want to communicate in both direction in same time. So, if we do single communication in one time , then error correction is possible.

b) A pair of physical link is not necessary always. To can do 2 way communication in a single link too.

c) Two connection is necessary for sending and receiving data but not at the same time.

d)TRUE. Broadcast network is used in simplex mode. like. Television, radio etc.

So, Answer D)