A. | Both can be used interchangeably |
B. | Scanf is delimited by end of line, while gets is not |
C. | Scanf is delimited by blank, while gets is not |
D. | All of above |
Option: C Explanation : Click on Discuss to view users comments. |
If integer needs two bytes of storage, then maximum value of a signed interger is
A. | 216-1 |
B. | 215-1 |
C. | 216 |
D. | None of these |
Option: B Explanation : In signed magnitude form, one bit is dedicated to store the sign(e.g., 1 for negative and otherwise). Only the remaining 15 bits are available to store the magnitude. Hence the answer. Click on Discuss to view users comments. paddhu said: (2:04pm on Saturday 24th August 2013)
it's (2^15)-1
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The minimum number of temporary variables needed to swap the contents of two variables is
A. | 1 |
B. | 2 |
C. | 3 |
D. | 0 |
Option: D Explanation : without any temporary variable, one can swap two given variables. Click on Discuss to view users comments. |
If s and b are integers then purpose of the following program fragment is to
b = s + b ;
s = b - s ;
b = b - s ;
A. | transfer the contents of s to b |
B. | transfer the content of b to s |
C. | exchange (swap) the contents of s and b |
D. | negate the contents of s and b |
Option: C Explanation : Click on Discuss to view users comments. |