Mastering C Programming Concepts

What is the syntax for a for loop in C?

• for(initialization; condition; increment) { // code to be executed }

• for(initialization: condition: increment) { // code }

• for(condition; initialization; increment) { // code }

• for(initialization; increment; condition) { // code }

Explain the purpose of if-else statements in C.

• The purpose of if-else statements in C is to control the flow of execution based on conditions.

• To create loops in C.

• To declare variables in C.

• To define functions in C.

What does the bitwise AND operator (&) do in C?

• The bitwise AND operator (&) compares two strings character by character.

• The bitwise AND operator (&) adds two integers together.

• The bitwise AND operator (&) performs a bitwise comparison of two integers, returning a new integer where each bit is set to 1 only if both corresponding bits of the operands are 1.

• The bitwise AND operator (&) shifts bits to the left.

How do pointers relate to arrays in C?

• Pointers and arrays are closely related; an array name is treated as a pointer to its first element.

• Pointers and arrays are completely unrelated concepts.

• Pointers cannot be used with arrays in C.

• Arrays are always larger than pointers in memory.

What function is used for dynamic memory allocation in C?

• realloc

• malloc

• calloc

• free

Define a structure in C and give an example.

• struct Point { int x; int y; };

• struct Circle { float radius; };

• struct Triangle { int base; int height; };

• struct Rectangle { int length; int width; };

What is the result of the bitwise OR operator (|) in C?

• The result of the bitwise OR operator is a new integer where each bit is the logical OR of the corresponding bits of the operands.

• The bitwise OR operator returns a boolean value.

• The operator performs a bitwise AND operation instead.

• The result is a string representation of the operands.

How do logical AND (&&) and logical OR (||) differ in C?

• Logical AND requires both conditions to be true, while Logical OR requires at least one condition to be true.

• Logical AND requires at least one condition to be true, while Logical OR requires both conditions to be true.

• Logical AND is used for bitwise operations, while Logical OR is used for arithmetic operations.

• Logical AND and Logical OR both require all conditions to be true.

How do you declare a one-dimensional array in C?

• array int arr[10];

• int[10] arr;

• int arr[10];

• int arr = new int[10];

What is the syntax for declaring a two-dimensional array in C?

• type arrayName[rows][columns];

• arrayName[rows, columns];

• type arrayName(rows, columns);

• arrayName{rows}{columns};