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COSC 1436 Exam Questions with All Correct Answers 2024 New Update

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COSC 1436 Exam Questions with All Correct Answers 2024 New Update What software will we be using in class to create programs? - Answer-Visual Studios What is the file extension of the source file (main file) created in an IDE? - Answer-.cpp What does IDE stand for? - Answer-Integrated Devel...

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  • August 29, 2024
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  • 2024/2025
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  • cosc 1436 exam questions with all correct answers

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COSC 1436 Exam Questions with
All Correct Answers 2024 New
Update
What software will we be using in class to create programs? - Answer-Visual Studios

What is the file extension of the source file (main file) created in an IDE? - Answer-.cpp

What does IDE stand for? - Answer-Integrated Development Environment

What is the answer when the following expression is evaluated:

19 - 3 + 2 * - Answer-17

int x=5, quotient;
quotient = 101/5;

The value in quotient after the above lines are executed is 20.2 T/F? - Answer-False

________ is when you use an informal mixture of C++ and ordinary language to
"outline" your program. - Answer-pseudocode

The execution of a ______ statement in a switch statement immediately exits the switch
structure. - Answer-break

When one decision statement is located within another, it is said to be ______ if
statements. - Answer-nested

Assume the following

int score;
cin >> score;

if (score = 30)
cout << "Grade is an F";
else
cout << "Grade is Passing";

If the user enters a 70, the output of the above code will display the following to the
screen: Grade is Passing.
T/F? - Answer-False

,Suppose that x is an int variable. Which of the following expressions always evaluates
to true?

Select one:

(x > 0) && ( x <= 0)
(x > 0) || ( x < 0)
(x > 0) || ( x <= 0)
( x == 5) && (x == 0) - Answer-(x > 0) || ( x <= 0)

Will the following display a "true" or a "false":

int x=10, y=15, z=20;
if ((x == 5) || (y != z))
cout << "true";
else
cout << "false";

T/F? - Answer-True

Which of the following would correctly test to see if the person in question is at least 21.
The person's age will be stored in the variable: age
if (age >= 21)
if (age < 21)
if (age > 21)
if (age <= 21)
if (age == 21) - Answer-if (age >= 21)

int x = -15;
if (!(x>0))
cout << "true";
else
cout << "false";
What gets printed from the above code? - Answer-true


What's the difference between initializing a variable and assigning a value to a variable?
- Answer-Assigning is storing a value into the variable's memory location. Once you
assign a value, you can reassign another value at any time.

Initializing is simply assigning a value to a variable for the first time.

Declare an integer variable called ageOfStudent and initialize it to 16. - Answer-int
ageOfStudent = 16;

, Declare a doublevariable called tipRateandinitializeit to .20. - Answer-double tipRate =
.20;

Declare twostringvariables called firstName, and lastName, but do not initialize them to
anything - Answer-string firstName, lastName;

Given an integer variable called ageOfStudent (assume it is already set), write a
statement that will
display the value of ageOfStudent. - Answer-cout << ageOfStudent;

Given a double variable called tipRate (assume it is already set to .20), write a
statement that will
display the value of tipRate with two decimal places. - Answer-cout << fixed <<
setprecision(2) << tipRate;

Given two string variables called firstName and lastName (assume they are both
already
initialized), write a statement that will display the values of firstName followed by a
space, followed
by the lastName - Answer-cout << firstName << " " << lastName << endl;

Given two string variables called firstName and lastName (assume they are both
already
initialized), write a statement that will display the values of lastName in a field of 20
spaces (rightjustified), followed by the value of firstName in a field of 20 spaces, also
right-justified). - Answer-cout << setw(20) << lastName << setw(20) << firstName;

Assume that m is an int variable that has already been given a value. Write a statement
that prints
out the value of m in a field of 10 positions. - Answer-cout << setw(10) << m;

Given two integer variables distance and speed, write an expression that
divides distance by speed using floating point arithmetic. - Answer-(double)
distance/speed

Assume that students is an integer variable containing the number of students in a
school, and
that teachers is an integer variable containing the number of teachers in the same
school. Write a
statement that will print out the average number of students per teacher.
Keep in mind that we want the answer to have a decimal number.
Hint: You will need to use type-casting. You may use the long or short version of type
casting - Answer-cout << (double) students/teachers;

. Given an int variable datum that has already been declared, write a statement that
reads an integer

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