C++ Quiz 3

C++ Quiz 3 Grade A question with answer

________ reads a line of input, including leading and embedded spaces, and stores it in
a string object.

Select one:

a. cin.get

b. getline

c. cin.getline

d. get
e. None of these - (correct answer)b.(getline)



When this operator is used with string operands it concatenates them, or joins them
together.

Select one:

a. &

b. *

c. %

d. +

e. None of these - (correct answer)d. (+)



The ________ causes a program to wait until information is typed at the keyboard and
the Enter key is pressed.

Select one:

a. Output stream
b. cin object

c. cout object

d. Preprocessor

e. None of these - (correct answer)b. (cin object)

, This function tells the cin object to skip one or more characters in the keyboard buffer.

Select one:

a. cin.ignore

b. cin.jump

c. cin.hop

d. cin.skip;

e. None of these - (correct answer)a. (cin.ignore)


The function, pow(x, 5.0), requires this header file.

Select one:

a. cstdlib

b. iostream

c. cstring

d. cmath

e. iomanip - (correct answer)d.(cmath)



You want the user to enter the length, width, and height from the keyboard. Which cin
statement is correctly written?

Select one:

a. cin >> length, width, height;
b. cin << length, width, height;

c. cin << length; width; height;

d. cin.get(length, width, height);
e. cin >> length >> width >> height; - (correct answer)e. (cin >> length >> width >>
height;)



You can use these to override the rules of operator precedence in a mathematical
expression.