Ans. (a) Immediate addressing mode.
(b) Register Addressing Mode
(c) Direct addressing mode
23. RS-232C standard is used in _____________.
Ans. Serial I/O
24. How are parameters passed to the main function?
25. What does the file stdio.h contain?
a) functin definition
b) function decleration
c) both func. defn & func. decleration.
26. sscanf is used for ?
27. Memory. Management in Operating Systems is done by
a) Memory Management Unit
b) Memory management software of the Operating System
c) Kernel
Ans: (b)
28. What does the statement strcat(S2,S1) do?
29. TCP(Transmission Control Protocol) is Connection Oriented and used in
______________ layer?
30. IP(Internet Protocol) is connectionless and used in _________________
layer?
31. For LAN Netwrok layer is not required. Why?
32. What is done for a Push opertion?
Ans: SP is decremented and then the value is stored.
33. Describe the following structures as LIFO/FILO/FIFO/LILO
Stack
Queue
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