CSC126_Quiz9_Chapter6

What is an array in C++?

• A list of functions

• A collection of variables of different types

• A fixed-size collection of variables of the same type

• A dynamic list of classes

What is the index of the first element in an array?

• 1

• -1

• 0

• Depends on the compiler

Which of the following is a correct array declaration?

• int nums();

• array int[10];

• int nums[10];

• int nums{};

What is the output of cout << max[0]; if int max[5] = {10, 3, 2, 40, 1};?

• 3

• 0

• 10

• 1

Which keyword is used to declare an array of characters in C++?

• string

• str

• text

• char

What happens if the number of elements is less than the array size during initialization?

• Compilation error

• Remaining elements are garbage values

• Remaining elements are filled with zeros

• Only the specified elements are used

Which of the following is an illegal declaration?

• int arr[3] = {1, 2, 3, 4};

• int arr[ ] = {5, 6, 7};

• int arr[4] = {1, 2};

• int arr[5];

How many elements does the array char codes[7] = "sample"; contain?

• 6

• 7

• 8

• 5

What does the null character \0 indicate in a C-string?

• The start of a string

• An error

• End of the string

• A blank character

What will be the output of the following? sum = list[1] + list[4]; where list[1]=5, list[4]=10

• 5

• 10

• 15

• Error