CSCI 121 Final Exam Question and answers already passed || LATEST UPDATE 2026

CSCI 121 Final Exam Question and
answers already passed || LATEST
UPDATE 2026


Which of the following is an input device for a computer?

a. CPU

b. Monitor

c. Mouse

d. Printer

e. Memory

c

Which of the following is a correct way to print out "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;

d

Which of the following is correct?

a. #include < iostream>

b. #include <iostream>

,c. #include <iostream >

d. All of a, b, and c



*pg. 26

b

Which of the following prints out a tab space?

a. cout << "\t";

b. cout >> "\t";

c. cout << "/t";

d. cout >> "/t";

a

C++ source code is saved in a file with extension _____________

a. .obj

b. .cpp

c. .txt

d. .exe

b

Which of the following is a legal C/C++ identifier?

a. how?

b. 2how

c. how2

d. #how

, *pg. 43

c

Which of the following is the correct way to declare an 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

c

Which of the following is the correct C/C++ expression 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)

a

What is the error in the following statement? Assume that x, and y are declared

and initialized.

if(x > y)

cout << x << " is smaller than " << y << endl;