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26. Feature for accessing a variable through its address is desirable because
call by reference can be simulated
excessive use of global variables can be avoided
a function can return more than one value
All of the above
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27. It is not advisable to use macros instead of functions because
it increases the code size
no type checking will be done
recursion is not possible
28. Which of the following is/are syntactically correct?
for ( );
f or (;);
for ( , );
for ( ; ; );
29. Use of macro instead of function is recommended
when one wants to reduce the execution time
when there is a loop with a function call inside
when a function is called in many places in a program
both (A) and (B)
30. Following is a recursive function for computing the sum of integers from 0 to N. function sum(N:integer):integer begin if N=0 then Sum=0 else end; The missing line in the else part is
Sum:=N+Sum(N)
Sum:=N+Sum(N-1)
Sum:=(N-1)+Sum(N+1)
Sum:=(N-1)+Sum(N-1)
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