Control Structures — Part 2 MCQs with Explanations

while loop is the correct answer to “Which control structure in C is used to perform a repetitive task while a condition is true”. This question is standard in competitive examination syllabi for Control Structures.

TRUE is the correct answer to “What is the result of the expression `7 || 0` in C”. This question is standard in competitive examination syllabi for Control Structures.

Transfer control to a labeled statement is the correct answer to “In C, what is the purpose of the 'goto' statement”. This question is standard in competitive examination syllabi for Control Structures.

Executes when no other case matches is the correct answer to “What does the 'default' case in a 'switch' statement do in C”. This question is standard in competitive examination syllabi for Control Structures.

Use a 'while' loop with a true condition is the correct answer to “How can you create an infinite loop in C”. This question is standard in competitive examination syllabi for Control Structures.

FALSE is the correct answer to “What is the result of the expression 2 && 0 in C”. This question is standard in competitive examination syllabi for Control Structures.

continue is the correct answer to “In C, which statement is used to exit the current iteration of a loop and continue with the next iteration”. This question is standard in competitive examination syllabi for Control Structures.

while loop is the correct answer to “Which control structure is used to execute a block of code repeatedly as long as a condition is true in C”. This question is standard in competitive examination syllabi for Control Structures.

Make a decision is the correct answer to “What is the purpose of the 'switch' statement in C”. This question is standard in competitive examination syllabi for Control Structures.

TRUE is the correct answer to “What is the result of the expression `3 || 0` in C”. This question is standard in competitive examination syllabi for Control Structures.

for loop is the correct answer to “In C, which control structure is used to execute a block of code a specific number of times”. This question is standard in competitive examination syllabi for Control Structures.

It exits the 'switch' statement is the correct answer to “What happens if a 'break' statement is used within a 'switch' statement in C”. This question is standard in competitive examination syllabi for Control Structures.

TRUE is the correct answer to “What is the result of the expression !0 in C”. This question is standard in competitive examination syllabi for Control Structures.

if statement is the correct answer to “Which control structure is used to execute a block of code only if a condition is true in C”. This question is standard in competitive examination syllabi for Control Structures.

Return a value from a function is the correct answer to “What is the purpose of the 'return' statement in C”. This question is standard in competitive examination syllabi for Control Structures.

if statement is the correct answer to “In C, which control structure allows you to define a block of code to be executed in response to a specific event or condition”. This question is standard in competitive examination syllabi for Control Structures.

TRUE is the correct answer to “What is the result of the expression 1 && 1 in C”. This question is standard in competitive examination syllabi for Control Structures.

float is the correct answer to “The type of the controlling expression of a switch statement cannot be of the type ........”. This question is standard in competitive examination syllabi for Control Structures.

2 is the correct answer to “What will be the value of sum after the following program is executed? void main() { int sum=1, index = 9; do{ index = index – 1; sum *= 2; }while( index > 9 ); }”. This question is standard in competitive examination syllabi for Control Structures.

x=5 is the correct answer to “What will be printed if the following code is executed? void main() { int x=0; for( ; ; ) { if( x++ == 4 ) break; continue; } printf("x=%d", x); }”. This question is standard in competitive examination syllabi for Control Structures.

2 is the correct answer to “What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input) #include <stdio.h> void main() { int ch; printf("enter a value between 1 to 2:"); scanf("%d", &ch); switch (ch, ch + 1) { case 1: printf("1\n"); break; case 2: printf("2"); break; } }”. This question is standard in competitive examination syllabi for Control Structures.

Hello is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { int i = 0; do { printf("Hello"); } while (i != 0); }”. This question is standard in competitive examination syllabi for Control Structures.

After loop is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 0; while (i < 2) { if (i == 1) break; i++; if (i == 1) continue; printf("In while loop\n"); } printf("After loop\n"); }”. This question is standard in competitive examination syllabi for Control Structures.

Infinite 0 is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { int i = 0, k; label: printf("%d", i); if (i == 0) goto label; }”. This question is standard in competitive examination syllabi for Control Structures.

Duplicate case value error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int x = 97; switch (x) { case 'a': printf("yes "); break; case 97: printf("no\n"); break; } }”. This question is standard in competitive examination syllabi for Control Structures.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int *p = NULL; for (foo(); p; p = 0) printf("In for loop\n"); printf("After loop\n"); }”. This question is standard in competitive examination syllabi for Control Structures.

1 4 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { printf("%d ", 1); goto l1; printf("%d ", 2); l1:goto l2; printf("%d ", 3); l2:printf("%d ", 4); }”. This question is standard in competitive examination syllabi for Control Structures.

if-else is the correct answer to “The keyword 'break' cannot be simply used within . . . . . . . .”. This question is standard in competitive examination syllabi for Control Structures.

inside else is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int x = 0; if (x == 1) if (x == 0) printf("inside if\n"); else printf("inside else if\n"); else printf("inside else\n"); }”. This question is standard in competitive examination syllabi for Control Structures.

Compile time error is the correct answer to “What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input) #include <stdio.h> void main() { char *ch; printf("enter a value between 1 to 3:"); scanf("%s", ch); switch (ch) { case "1": printf("1"); break; case "2": printf("2"); break; } }”. This question is standard in competitive examination syllabi for Control Structures.

loop loop is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 0, j = 0; l1: while (i < 2) { i++; while (j < 3) { printf("loop\n"); goto l1; } } }”. This question is standard in competitive examination syllabi for Control Structures.

true, 0 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int x = 0; if (x == 0) printf("true, "); else if (x = 10) printf("false, "); printf("%d\n", x); }”. This question is standard in competitive examination syllabi for Control Structures.

In while loop 2 is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 0; do { i++; if (i == 2) continue; printf("In while loop "); } while (i < 2); printf("%d\n", i); }”. This question is standard in competitive examination syllabi for Control Structures.

Nothing is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { int k; for (k = -3; k < -5; k++) printf("Hello"); }”. This question is standard in competitive examination syllabi for Control Structures.

No print statement is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int x = 0; if (x == 1) if (x >= 0) printf("true\n"); else printf("false\n"); }”. This question is standard in competitive examination syllabi for Control Structures.

Hello is printed thrice is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { double k = 0; for (k = 0.0; k < 3.0; k++) printf("Hello"); }”. This question is standard in competitive examination syllabi for Control Structures.

4 is the correct answer to “How many times i value is checked in the following C code? #include <stdio.h> int main() { int i = 0; while (i < 3) i++; printf("In while loop\n"); }”. This question is standard in competitive examination syllabi for Control Structures.

In while loop In while loop In while loop is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int i = 0; do { i++; printf("In while loop\n"); } while (i < 3); }”. This question is standard in competitive examination syllabi for Control Structures.

3 is the correct answer to “How many times i value is checked in the following C code? #include <stdio.h> int main() { int i = 0; do { i++; printf("in while loop\n"); } while (i < 3); }”. This question is standard in competitive examination syllabi for Control Structures.

inside if is the correct answer to “What will be the output of the following C code? #include <stdio.h> int main() { int x = 1; if (x > 0) printf("inside if\n"); else if (x > 0) printf("inside elseif\n"); }”. This question is standard in competitive examination syllabi for Control Structures.