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a) +48 volts
b) -48 volts
c) 230 volts
d) 110 volts
12. To send a data packet using datagram , connection will be established
a) before data transmission.
b) connection is not established before data transmission.
c) no connection is required.
d) none of the above.
Ans: (c)
13. Word allignment is
a) alligning the address to the next word boundary of the machine.
b) alligning to even boundary.
c) alligning to word boundary.
d) none of the above.
Ans: (a)
14 When a 'C' function call is made, the order in which parameters passed to the
function are pushed into the stack is
a) left to right
b) right to left
c) bigger variables are moved first than the smaller variales.
d) smaller variables are moved first than the bigger ones.
e) none of the above.
Ans: (b)
15 What is the type of signalling used between two exchanges?
a) inband
b) common channel signalling
c) any of the above
d) none of the above.
Ans: (a)
16. Buffering is
a) the process of temporarily storing the data to allow for small variation in device
speeds
b) a method to reduce cross talks
c) storage of data within transmitting medium until the receiver is ready to
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