One-Dimensional Arrays in C Quiz

What is the correct syntax to declare an array named numbers that can hold 10 integer elements?

• int numbers[10];

• int numbers = 10;

• int numbers(10);

• int numbers[10] = {0};

What is the index of the last element in an array named colors with a size of 5?

• 0

• 1

• 4

• 5

How do you access the value of the third element in an array named values?

• values[2]

• values[3]

• values(2)

• values(3)

Which of the following is the correct syntax to assign the value 25 to the second element of an array named scores?

• scores[1] = 25;

• scores[2] = 25;

• scores(1) = 25;

• scores(2) = 25;

What is the purpose of the sizeof() operator when used with an array?

• To determine the size of a single element in the array.

• To determine the total number of elements in the array.

• To determine the size of the array in bytes.

• To determine the data type of the array.

Which of the following is NOT a valid way to traverse an array in C?

• Using a for loop.

• Using a while loop.

• Using a do-while loop.

• Using a switch statement.

What is the output of the following code snippet? int numbers[5] = {10, 20, 30, 40, 50}; printf("%d", numbers[3]);

• 10

• 20

• 30

• 40

How do you determine the size of an array named array at runtime?

• sizeof(array)

• array.size()

• length(array)

• array.length()

Which of the following is a valid way to declare an array of characters named name?

• char name[10];

• char name = "John Doe";

• char name[] = "John Doe";

• Both a) and c)

What is the purpose of the malloc() function in C?

• To initialize an array with specific values.

• To allocate memory for an array dynamically.

• To access an element in an array.

• To determine the size of an array.