Bhs Junior Quiz - C++ Conditional Statement -if
Welcome Juniors to using Proprofs on-line assessment. This is the first of many on-line assessments that will be done this semester. This is a timed quiz so work efficiently.
Questions and Answers
- 1.
Write a program that prompts the user to enter the age of a customer. If the age is younger than 15, then ask the user to enter the name of the customer and notify them by name that they qualify for a free toy.
- 2.
The programming language of C++ was written by Bjarne Stroustrup.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Bjarne Stroustrup is the creator of the C++ programming language. He developed C++ as an extension of the C programming language, adding object-oriented programming features. Therefore, the statement that the programming language of C++ was written by Bjarne Stroustrup is true.Rate this question:
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- 3.
In a conditional statement to determine if the sum of x and y is equal to z, then a = x+y, what is the actual condition in C++?
- A.
If(sum=z) { a=x+y; }
- B.
Sum = z
- C.
If (x+y=z)
- D.
X+y=z
Correct Answer
D. X+y=zExplanation
The actual condition in C++ is "x+y=z". This condition checks if the sum of x and y is equal to z. If it is true, then the code block inside the if statement will be executed, which assigns the value of x+y to the variable a.Rate this question:
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- 4.
To determine whether or not a person is an adult based on their current age, the most appropriate conditional statement to use is the _______________________ statement.
Correct Answer
if
if-else
if-else
loopExplanation
The most appropriate conditional statement to use when determining whether or not a person is an adult based on their current age is the "if" statement. This statement allows for a single condition to be checked and a corresponding action to be taken if the condition is true. However, if additional conditions need to be checked and different actions need to be taken based on those conditions, the "if-else" statement or the "if-else if-else" statement can be used. A loop statement, on the other hand, is used for repeating a block of code multiple times.Rate this question:
- 5.
Select the correct code for the following statement: If the name of a person is definitely Joe, say hello.
- A.
If(nam=Joe) {cout
- B.
If(nam!='Joe') {cout
- C.
If(nam=="Joe") {cout
- D.
If(nam=="Joe") {cout>>"hello"}
Correct Answer
C. If(nam=="Joe") {coutExplanation
The correct code for the given statement is "if(nam=="Joe") {cout". This code checks if the value of the variable "nam" is equal to the string "Joe". If it is, then it will execute the code inside the curly braces, which in this case is printing "hello".Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Jan 09, 2018Quiz Created by
Missyoung
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