WGU D278 Exam with Frequently Asked Questions and Verified Answers

WGU D278 Exam with Frequently Asked Questions and Verified Answers Which of the following best describes an integer data type? a) A number with decimal points b) A whole number without fractions or decimals c) A sequence of characters d) A true/false value Correct Answer: b Rationale: An integer is a whole number (positive, negative, or zero) that does not contain decimal or fractional components. It is commonly used for counting and indexing. Which data type would best represent a value like "Hello, World"? a) Boolean b) Integer c) Float d) String Correct Answer: d Rationale: A string is used to represent sequences of characters, including words, sentences, or any text enclosed in quotes. What is the primary purpose of a variable in programming? a) To permanently store fixed values b) To execute system-level commands c) To store and change data during program execution d) To define programming syntax rules Correct Answer: c Rationale: Variables act as named storage locations in memory whose values can change during program execution.