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COSC 1436 FINAL EXAM QUESTIONS AND ANSWERS
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COSC 1436 FINAL EXAM QUESTIONS AND ANSWERS
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COSC 1436 FINAL EXAM QUESTIONSAND ANSWERS
[SHORT ANSWER] Assume the string variables firstName and userID are assigned
with values. use string slicing and concatenation to create a username based on the
first two letters of the firstName, concatenated with the last four digits of the userID as
shown in the example below.
For Example: Suppose firstName = "Mary" and userID = "W12345678" then, the
username should be:
Ma5678 - Answer -username = firstName[:2] + userID[-4:]
SHORT ANSWER Assume variable gpa has already been assigned a value. Write
python code that displays invalid GPA if the value associated with variable gpa is not in
the range [0,4] - Answer -if gpa < 0 or gpa > 4:
print("Invalid GPA")
Which type of error prevents the program from running?
human
syntax
grammatical
logical - Answer -syntax
The smallest storage location in a computer's memory is known as a
switch
byte
ketter
bit - Answer -bit
A Python line comment begins with ________.
a. /*
b. $$
c. //
d. # - Answer -d. #
,Which of the following are valid camel case identifier naming styles (Choose all that
apply)?
(a) dollar_amount
(b) dollarAmount
(c) dollar$Amount
(d) amtDollar
(e) dollarAmt$
(f) dollarAmt
(g) amountDollar
(h) Dollar_Amount - Answer -(b) dollarAmount
(d) amtDollar
(f) dollarAmt
(g) amountDollar
Assume the following:
val = 99
val += 1
Match the code with its output:
a. print('The value is', 'val')
b. print('The value is', val)
print("The value is:", 'val')
The value is val
The value is 100
The value is: val - Answer -(a) The value is val
(b) The value is 100
(c) The value is: val
Match the relational operators with its meaning:
a. >
b. <
c. >=
d. <=
e. ==
f. != - Answer -a. Greater than
b. less than
c. Greater than or equal to
d. Less than or equal to
e. Equal to (equality operator)
f. Not equal to
Which of the following will assign a random integer in the range of 1 through 50 to the
variable number?
, (a) number = random(range(1, 50))
(b) random(1, 50) = number
c) number = random.randint(1, 50)
(d) randint(1, 50) = number - Answer -c) number = random.randint(1, 50)
x < y or z > x What is the result of the following Boolean expression, given that x = 5, y
= 3, and z= 8?
not (x < y or z > x) and y < z
(a) 5
(b) False
(c) 8
(d) True - Answer -(b) False
What is the result of the following Boolean expression, given that x = 5, y = 3, and z =
8?
x < y or z > x
(a) False
(b) 8
(c) True
(d) 5 - Answer -(c) True
Consider the following statements. If the input is 85, the output of the following code will
be:
score=0
grade="Unknown"
score = int(input ("Enter a score: "))
if score >= 90:
grade = "A"
if score >= 80:
grade "B"
if score >= 70:
grade = "C"
if score >= 60:
grade = "D"
else:
grade = "F"
print (grade)
C
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