A program receives a decimal value from a sensor as a float, e.g., 3.7. The developer needs to store this value in a variable that can only hold whole numbers. What should the developer do?

Change the integer variable to a boolean

Store the float as a string to preserve the decimal point

Assign the float directly to the integer variable without any conversion

Convert the float to an integer using a casting method

CompTIATech+

Domain 4Objective 2

Data Types FC0-U71 Practice Questions (Page 1)

Part of the Software development concepts domain, which accounts for 13% of the FC0-U71 exam. CompTIA does not publish an official question count, but from its 60-minute exam (~25–40 total, ~3–5 in this domain), expect 1–1 from this objective — we provide 17 practice questions to prepare you well beyond it. (estimate)

17questions here

4free pages

5concepts

13%of the exam

Questions 1–5

1foundation · easy
What is the result of the expression "5" + "3" in most programming languages when both values are strings?
Select an answer first
2application · easy
A developer needs to store a list of the top 10 highest scores in a game. The scores must be kept in the order they were achieved, and the program will need to iterate through them in that order. Which data type is most appropriate?
Select an answer first
3foundation · easy
Which of the following is an example of explicit type casting?
Select an answer first
4foundation · easy
A program needs to store a person's age. Which data type is most appropriate?
Select an answer first
5application · easy
A program receives a decimal value from a sensor as a float, e.g., 3.7. The developer needs to store this value in a variable that can only hold whole numbers. What should the developer do?
Select an answer first

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Data Types FC0-U71 Practice Questions (Page 1)

Questions 1–5

What is the result of the expression "5" + "3" in most programming languages when both values are strings?

A developer needs to store a list of the top 10 highest scores in a game. The scores must be kept in the order they were achieved, and the program will need to iterate through them in that order. Which data type is most appropriate?

Which of the following is an example of explicit type casting?

A program needs to store a person's age. Which data type is most appropriate?

A program receives a decimal value from a sensor as a float, e.g., 3.7. The developer needs to store this value in a variable that can only hold whole numbers. What should the developer do?

Keep studying — Software development concepts