C++ Basics Quiz

Choose the valid identifier.

• my_age

• my Age

• 4number

• num_ber?

Identify the CORRECT declaration of a variable named mark with integer data type.

• int mark

• int mark;

• mark int;

• integer mark;

Identify the CORRECT declaration of constants.

• const int PI = 3.142;

• int const PI = 3.142;

• float const PI = 3.142;

• const float PI = 3.142;

Identify the value for the expression below. Given z = 27 / 3 + 5 % 4

• 14

• 11

• 10

• 3.5

There are FIVE (5) arithmetic operators and every operator has their own precedence. Identify the precedence of the arithmetic operator.

• *, %, +, - , /

• *, / , %, + , -

• *, / , -, % , +

• *, %, /, + , -

Select the CORRECT answer based on the statement below:
fixed value that cannot be changed during the execution of a program

• Constants

• Variables

• Identifiers

• Keywords

Based on Figure 2, select the CORRECT output.

• 27

• 12

• 30

• 15

Choose the CORRECT C++ command to display the string "Hello students. Welcome to JTMK POLIMAS!" in a separate line.

• cout >> "Hello students. Welcome to JTMK POLIMAS!;

• cout << Hello students. Welcome to JTMK POLIMAS!;

• cout << "Hello students. Welcome to JTMK POLIMAS!";

• cout << "Hello students.\n Welcome to JTMK POLIMAS!";

Select which of the following is FALSE?

• cout is a not reserved word

• cout is declared in the iostream standard file

• cout is declared within the std namespace

• cout represents the standard output stream in C++

Predict the value of variable j based on following statement: Given

int j = 20; j %=3; cout<<j;

• 7

• 2

• 1

• 0