C Program Day 2

What is the purpose of the else if statement in C?

• To define a default case in a switch statement.
• To create an infinite loop condition.
• To provide additional conditional branches in a control flow.
• To terminate a loop prematurely.

Choose the correct syntax to while loop in C

• while { condition; // code }
• while(condition) // code;
• while: condition { code }
• while(condition) { // code }

What does "i++" in C Means?

• The expression 'i++' increments the value of 'i' by 1.

• The expression 'i++' multiplies the value of 'i' by 2.
• The expression 'i++' decrements the value of 'i' by 1.
• The expression 'i++' assigns the value of 'i' to 0.

What is the main use of a for loop in C?

• To handle exceptions in C.
• To define a function in C.
• To loop through a block of code a specific number of times

• To create a single-use variable.

"for (i = 0; i < 5; i++)"

What is the role of i here?

• The role of 'i' is to store the final result.
• The role of 'i' is to represent an array element.
• The role of 'i' is to act as a loop counter.

• The role of 'i' is to define a function parameter.

What is a nested loop in C?

• A nested loop in C is a loop that cannot contain any other loops.
• A nested loop in C is a loop that exists within another loop.
• A nested loop in C is a loop that runs only once.
• A nested loop in C is a loop that executes in parallel with another loop.

What is the output of the following code snippet: for(int i = 0; i < 3; i++) { printf("%d ", i); }

• 3 2 1

• 0 1 2

• 1 2 3

• 0 1 2 3

for(int i=1;i<10;i+=2)printf("%d",i) What is the output?

• 2468
• 123456789
• 98765
• 13579

what is the use of scanf in C?

• scanf is used to declare variables in C.
• scanf is used to read formatted input from the user.
• scanf is used to write formatted output to the user.
• scanf is a function for memory allocation in C.

For what purpose & is used in C

• To declare a variable
• The ampersand (&) is used to get the address of a variable and for bitwise AND operations.
• To concatenate strings
• To comment code