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Higher Study | Programming and Data Structure | Programming in C

Which of the following statements is/are incorrect?
What is the value of the following 'C' language expression in which x is an integer variable whose value is 4? (x - 5) ? 15: 25
Which of the following statement(s) is/are correct w.r.t 'C' language? (i) A part of the array can be passed to the function instead of the whole array. (ii) Numeric array elements cannot be assigned initial values if the array is defined as a pointer variable.
Consider the following code.
Consider the following pseudo-code fragment, where a and b are integer variables that have been initialized: /* Pre-conditions : (a > 1 ∧ a < b) */ /* Assume that overflow never occurs */ int x = 0; int p = 1; while (p < b) { p = p * a; x = x + 1; } When the while loop terminates, what will be the value of x in terms of a and b ?
Consider the following recursive C function that takes two arguments unsigned int rer (unsigned int n, unsigned int r) { if (n > 0) return (n%r + rer (n/r, r)); else return 0; } What is the return value of the function rer when it is called as rer (513, 2)?
In C, when an array is passed as an argument to a function, which of the following gets passed?
In ‘C programming’, when fopen () is not able to open a given file due to any reason, it retries
Consider the following two C code segment. Y and X are one- and two-dimensional arrays of size n and n × n respectively, where 2 ≤ n ≤ 10. Assume that in both code segments, elements of y are initialized to 0 and each element X[i] [j] of array X is initialized to i + j. Further assume that when stored in main memory all elements of x are in same main memory page frame. Code segment 1:                 //initialize elements of y to 0                 //initialize elements X[i] [j] of X to i+j                       for (i = 0; i < n; i++)                                 Y[i] += X[0] [i]; Code Segment 2:                 //initialize elements of Y to 0                 //initialize elements X[i] [j] of X to i+j                        for (i = 0; i < n; i++)                                 Y[i] += X[i] [0]; Which of the following statements is/are correct? S1: Final contents of array Y will be same in both code segments S2: Elements of array X accessed inside the for loop shown in code segment 1 are contiguous in main memory S3: Elements of array X accessed inside the for loop shown in code segment 2 are contiguous in main memory
What will be the output of the following pseudo-code when parameters are passed by reference and dynamic scoping is assumed? a=3; void n(x) {x = x * a; print (x) ; } void m(y) {a = 1; a = y - a; n (a); print (a) ; } void main() { m(a); }  
Consider the following two functions. void fun1 (int n) { if (n == 0) return; printf(“%d”, n); fun2(n – 2); printf (“%d”, n); } void fun2(int n) { if (n == 0) return; printf (“%d”, n); fun1(++n); printf(“%d”, n); } The output printed when fun1 (5) is called is
Consider the following C function. void convert (int n) { if (n < 0) printf (“ % d”, n); else { convert(n / 2); printf (“ % d”, n % 2); } } Which one of the following will happen when the function convert is called with any positive integer n as argument?
What does the following program do when the input is unsigned 16-bit integer?
Consider the following C code. Assume that unsigned long int type length is 64 bits. unsigned long int fun (unsigned long int n) { unsigned long int i, j = 0, sum = 0 ; for (i = n; i > 1 ; i = i/2) j++ ; for ( ; j > 1 ; j = j/2) sum++ ; return (sum) ; } The value returned when we call fun with the input 240 is
Which of the following properties of the recursive function is/are correct? A. Recursion helps to create a shortcode B. Recursion is effective where terms are generated successively to compute a value C. Recursion is not useful for branching processes
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