a compound statement that contains variable declarations is
a block
variables defined inside a set of braces are said to be ____ to that block of code
local
write the loop condition to continue a while loop as long as x is negative
while (x < 0)
A loop that iterates one too many or one too few times is said to be
off by one
<< is called the
insertion operator
Is << used for input or output?
output
what is the correct conditional statement to determine if x is between 19 and 99?
if (19 < x < 99)
The braces for a loop define the _____ of the loop
body
A _____ loop always executed the loop body at least once, regardless of the loop condition
do while
if-else statements that are inside other if-else statements are said to be
nested
Each time a loop body executed is known as an
iteration
a switch statement variable must be
integer bool char enum
the code following the ___ case is executed if none of the other cases are matched in a switch statement
default
the stream that is used for output to the screen is called
cout
the stream that is used for input from the keyboard is called
cin
a loop that always executes the loop body at least once is known as a ____ loop
do while
when must we use braces to define the body of a conditional expression?
when there's more than one condition
>> is known as the
extraction operator
int myValue; is called a
variable declaration
a ___ expression is an expression that can be thought of as being true or false
bool
the compiler always pairs an else with
a preceding if
in a compound logical and (&&) expression, the evaluation of the expression stops once one of the terms of the expression is false. this is known as ___ evaluation.
short circuit
____ is a type whose values are defined by a list of constants of type int
enum
each repetition of a loop body is called an
iteration
which of the following is not a valid identifier: total3, myInt, myInteger, return
return
what is the value of x after the following statements:
int x;
x = 15/4;
3
what is the value of x after the following statements:
int x;
x = 15%4;
3
what is not a good reason for choosing a certain loop control?
if the loop is in a function
which of the following as the highest precedence? : &&, -, ++, ||
++
the body of a do while loop aways executes at least once
t
the integer 0 is onsidered true
f
all switch statements can be converted into nested if-else statements
t
if x has the value of 3 and y has the value of -2 and w is 10, is the following condition true or false?
if (x < 2 && w < y)
f
the opposite of less than is greater than
f
after the following code fragment, x has the value of 3:
int x = 3;
t
in an enumerated data type, different constants may not have the same value
f
the body of a while loop may never execute
t
all nested if else statements can be converted to switch statements
f
a bool expression may evaluate to more than 2 values
f
a break statement in your switch stops your program
f
it is illegal to make function calls inside a switch statement
f
loops are used when we need our program to make a choice between two or more things
f
a semicolon by itself is a valid c++ statement
t
every line a program should have a comment
f
it is legal to declare more than one variable in a single statement
t
variable names may begin with a number
f
if there is a break in the innermost loop in a set of nested loops the break statement causes all enclosing loops to exit
f