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cs 161Final Exam Study Questions with Correct Verified Answers
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cs 161Final Exam Study Questions with Correct Verified Answers
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cs 161Final Exam Study Questions withCorrect Verified Answers
Three primary activities of a program are:
A. Variable definitions, operators, lists of key words
B. Lines, statements, punctuation
C. Input, processing, output
D. Integer, floating-point, character definitions - ANSWER C. input, processing, output
A variable's __________ is the part of the program that has access to the variable.
A. Scope
B. Value
C. Data type
D. Assignment - ANSWER a.scope
What is the output of the following statement?
cout << (float) (5 * (9 % 4) / 2) + 2.5 << endl;
A. 5
B. 15
C. 2.5
D. 4.5 - ANSWER D. 4.5
,What will be the output after the following lines of code execute?
bool choice;
choice = true;
cout << "Your choice is " << choice << endl;
A. true
B. Your choice is true
C. Your choice is 1
D. Your choice is choice - ANSWER C. Your choice is 1
A character literal is __________, whereas a string literal is __________.
A. enclosed in quotation marks, enclosed in brackets
B. enclosed in brackets, enclosed in quotation marks
C. enclosed in double quotation marks, enclosed in single quotation marks
D. enclosed in single quotation marks, enclosed in double quotation marks - ANSWER
D.enclosed in single quotation marks, enclosed in double quotation marks
Which of the following is not a valid C++ identifier?
A. April2019
B. employee_num
C. _2user
D. 2user - ANSWER d. 2user
Given that x = 2, y = 1, z = 0, what will the following cout statement display?
cout << "answer = " << (x && y && !z) << endl;
A. answer = 0
B. answer = 1
, C. answer = 2
D. answer = (x && y && !z) - ANSWER B. Answer = 1
When a variable is assigned a number that is too large for its data type, it
A. underflows
B. overflows
C. reverses
D. converts - ANSWER b. overflows
After the following code executes, what is the value of my_value if the user enters 3?
cin >> my_value;
if (my_value > 2)
my_value = my_value + 5;
else if (my_value > 5)
my_value = my_value + 10;
else
my_value = my_value + 20; - ANSWER c. 8
What is the output of the following segment of code if the value 4 is input by the user?
int num;
int total = 0;
cout << "Enter a number from 1 to 10: ";
cin >> num;
switch (num) {
case 1:
case 2: total = 5;
case 3: total = 10;
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