The ____ primitive data type represents a variable that does not exist.

A. null
B. undefined
C. string
D. Boolean


Answer: B

Computer Science & Information Technology

You might also like to view...

Excel worksheets are saved in a(n) two-dimensional workbook.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which cout statement will print the address of the variable total?

A. cout << *total; B. cout << &total; C. cout << addressof(total); D. cout << total_ptr;

Computer Science & Information Technology

By default, the color swatches displayed in the color palette window are the ____ Web-safe colors.

A. 16 B. 216 C. 256 D. 526

Computer Science & Information Technology

In the following program segment, what set of values of x will cause y to be assigned the value 5?

``` if (x == 3) y = 4; y = 5; ``` a. x = 3 b. x != 3 c. x < 3 d. All values of x. e. No values of x.

Computer Science & Information Technology