ITM 330 Assignment 3
In Python the _____ symbol is used as the not-equal-to operator.
!=
In Python the ___________ symbol is used as the equal operator
==
In Python, _________ literals can be written in several ways, but most programmers prefer the use of the standard values True and False.
Boolean
Multiple Boolean expressions can be combined by using a logical operator to create _____ expressions.
compound
AND, OR, and NOT are examples of ________ operators.
logical
What is the result of the following Boolean expression, given that x=5, y=3, z=8? not(x<y or z>x) and y<z
False
Which is the result of the following Boolean expression, given that x=5, y=3, and z=8? x<y and z>x
False
What is the result of the following Boolean expression, given that x=5, y=3, z=8? x<y or z>x
True
A compound Boolean expression created with the ______ operator is TRUE only if both of its subexpressions are TRUE.
and
Which of the following requires that a condition be tested within the loop to determine whether the loop should continue?
conditional iteration
A(n) _________ structure is a logical design that controls the order in which a set of statements execute.
control
The decision structure that has two possible paths of execution is known as _____.
dual alternative
When an if-else statement needs to allow for more than two possible alternatives, you use a(n) ____________ clause.
elif
A ____________ is a Boolean-valued variable used to report whether a certain circumstance has occured
flag
Which of the following is the correct if clause to determine whether choice is anything other than 10?
if choice != 10
Which of the following is correct if clause to determine whether y is in the range 10 through 50, inclusive?
if y>= 10 and y <= 50
Using a while loop to ensure a proper response is received from a request is called ____________.
input validation
When an if-else statement contains other of-else statements, it is said to be
nested
When one loop is contained in the body of another loop, it is said to be ____________
nested
Which logical operators perform short-circuit evaluation?
or, and
The _______ statement is a do-nothing statement.
pass
When Python stops evaluating a compound condition with the logical and operator because a condition evaluates to False, it is called ________ evaluation.
short-circuit
When an of-else statement is evaluated, which block of statements is evaluated?
the first condition satisfied
What Python loop repeatedly executes a block of statements as long as certain conditions is met?
while
what does the following expression mean? x<=y
x is less than or equal to y