PF Chapter 3 (Part 1)

A variable is a name associated with a ___ cell whose value ___ during the execution of a program.

• memory, can't change

• data, can change

• memory, can change

• data, can't change

State which of the following identifiers are valid:

• 2ndPlace

• _totalMarks

• float

• grade_student

Which of the following is a standard identifier in C++?

• result

• cout

• km_per_hour

• totalSum

Write the correct variable declaration for the following:

• 
  An integer called age

Write the correct variable declaration for the following:

• 
  A float called temperature

Write the correct variable declaration for the following:

A character called grade

Write a valid assignment statement to:

• 
  Assign 75.5 to a float variable named marks

Write a valid assignment statement to:

• 
  Assign 'A' to a char variable named grade

What is the output of this code?

int x = 5;

x += 3;

cout << x;

What will be the output of the following code?

cout << "Hello" << endl;

cout << "World!";

• Hello World!

• Hello
  World!

• HelloWorld!

• Error