Practice Quiz 3

Practice Quiz 3 - Data Types, Variables and Constants

There are 10 questions in this quiz

Question 1: Multiple Choice

Which of the following data types does NOT have a range that include negative numbers:

short int
unsigned long
float
double

Question 2: Multiple Choice

Which of the following is NOT a valid variable name?

_account
$money
account2003
%percentage

Question 3: Multiple Choice

Which of the following statements is TRUE?

an integer variable is initialized to 0 by default
a variable must be initialized at declaration time
an integer variable is not initialized by default
a variable is initialized then declared

Question 4: Multiple Choice

The data type for a number such as -123760.023 is a:

unsigned long
double
long
unsigned int

Question 5: Multiple Choice

Which one of the following is a character literal?

"a"
ch
/c
'a'

Question 6: Multiple Choice

Which one of the following statements is FALSE?

a literal is a particular value
a constant's value can be changed at runtime
a variable's value can be changed at runtime
a literal's value cannot be changed at runtime

Question 7: Multiple Choice

Which of the following is an INCORRECT way of declaring a constant

const float NUM = 19.75;
#define INVALID 0
const char ABC[] = {'a', 'b', 'c'};
const int DAY 12;

Question 8: Multiple Choice

Which one of the following statements is FALSE?

C++ is case sensitive
const is better than #define because you have to specify the data type
declaring int num = -1.5; would give you compiler warning
declaring int num = -1.5; would convert num to a float

Question 9: Multiple Choice

Which one of the following declarations is INVALID for a 32-bit system?

int i = 40000;
int i = -40000;
long int i = -40000;
short int i = 40000;

Question 10: Multiple Choice

Which one of the following declarations will give a warning or error?

unsigned long lg = 5000000000;
unsigned long lg = -60;
char ch = 124;
int num = 'a';