CSCI 121 Final Exam Question and answers already passed 2025/2026

CSCI 121 Final Exam Question and answers already passed
2025/2026
1. Which of the following is an input device for a comput- c
er?
a. CPU
b. Monitor
c. Mouse
d. Printer
e. Memory

2. Which of the following is a correct way to print out d
"Hello World!" on the screen and the
cursor goes to the new line after the
printing finished.
a. cout >> "Hello, World!\n" ;
b. cout << "Hello, World!/n" ;
c. cout >> "Hello, World!" << endl ;
d. cout << "Hello, World!" << endl;

3. Which of the following is correct? b
a. #include < iostream>
b. #include <iostream>
c. #include <iostream >
d. All of a, b, and c

*pg. 26

4. Which of the following prints out a tab space? a
a. cout << "\t";
b. cout >> "\t";
c. cout << "/t";
d. cout >> "/t";

5. C++ source code is saved in a file with extension b



,a. .obj






, CSCI 121 Final Exam
Study online at https://quizlet.com/_8e9n66

b. .cpp
c. .txt
d. .exe

6. Which of the following is a legal C/C++ identifier?c
a. how?
b. 2how
c. how2
d. #how

*pg. 43

7. Which of the following is the correct way to declare an c
int variable named num_of_items+and
initialize it to 10?
a. Int num_of_items = 10;
b. int num_of_items[10];
c. int num_of_items(10);
d. none of the

above pg. 49

8. Which of the following is the correct C/C++ expression a
for math expression square root of (2x + y)
a. sqrt(2*x+y)
b. sqrt(2x+y)
c. square(2*x+y)
d. square(2x+y)

9. What is the error in the following statement? Assume b
that x, and y are declared and
initialized. if(x > y)
cout << x << " is smaller than " << y << endl;