How many
categories of data communication modes?
a) three
b) four
c) five
d) six
Explanation: simplex, half-duplex, full-duplex, synchronous, asynchronous
The communication that takes place only in one direction is called…….
a) simplex mode
b) half-duplex mode
c) full-duplex mode
d) none of these
Communication of central computer to dumb terminal is example of……
a) simplex mode
b) half-duplex mode
c) full-duplex mode
d) none of these
Which of the following devices are examples of simplex mode?
a) keyboard
b) mouse
c) both a & b
d) none of these
Which mode, communication takes place but not at same time?
a) simplex mode
b) half-duplex mode
c) full-duplex mode
d) none of these
Walkie-talkies are the example of which communication mode?
a) simplex mode
b) half-duplex mode
c) full-duplex mode
d) none of these
