CSCI120 - Final Exam Study Guide

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Final Exam format

Topics to be studied for the final exam:



Python data types and simple processing using selection and repetition statements.
Python Operator Precedence, Python Lists and Strings, Functions, Files
Search Algorithms: 	Sequential and Binary Search, you do NOT need to go 
into the details of Big Oh analysis of complexity - focus on the algorithms).

 
The topics of Sorting, Recursion and Games programming are not on the final exam.

CLICK HERE FOR A LIST OF FINAL EXAM TOPICS IN ORDER OF PRESENTATION ON THE COURSE


Example exam questions for Python 3 Programming:





1.  What is the output of this Python 3 program?

x = 17 / 2 % 2 * 3**3
print (x)
 

Answer:

13.5

(not sure why the answer is 13.5? - you need to study operator precedence.



 
2.  What is the output of this Python 3 program?

print (7 > 10)
print (4 < 16) 
print (4 == 4) 
print (4 <= 4)  
print (4 != 4)  



Answer: 

False
True
True
True
False


 

3.  What is the output of this Python 3 program?


num1 = 5
if num1 >= 91:
    num2 = 3
else:
    if num1 < 6:
        num2 = 4
    else:
        num2 = 2
x = num2 * num1 + 1
print (x,x%7)



Answer: 
21     0







4. Name and give an example of the three types of error
that might be contained in a Python program.

Answer:

syntax error - mis-spelling a keyword
logic error - multiplying when you meant to divide
run-time - an attempt to divide by zero




5. What is an algorithm?


Answer: a written description of the steps to solve a problem.



6. What is a computer program?

Answer: the implementation of an algorithm



7. What is the data type of a value such as 3.142?

Answer: float



8. What is the data type of a value such as 3?

Answer: int



9. What is the data type of a value such as "anne was here"?

Answer: string


10.  What is the output when the following code is executed?

list1 = [2,4,6,8,10,12,14,16,18,20] 
print (list1[0:1],list1[5:7])

Answer:
[2] [12, 14]








11.  What is the output when the following code is executed?

list1 = [1,2,3]
list1 = list1 * 2
print (list1)

Answer:
[1, 2, 3, 1, 2, 3]







12.  What is the output when the following code is executed?

s1 = 'spamandeggs'
x = s1.find('and')
print (x)
print (s1[0:1],s1[5:7])

Answer:
4 
s nd








13.  What is the output when the following code is executed?

s = 'one\ntwo\tthree'
print (s)
print (len(s))

Answer:
one
two	three 
13







14.  What is the output when the following code is executed?

list2 = ["B","C","A"]
list2.extend(["X","Y"]) 
list2.reverse()
list2.append("S")
list2.sort() 
list2.reverse()
print (list2)

Answer:
['Y', 'X', 'S', 'C', 'B', 'A']








Final Exam format

Good Luck!