WGU D684 Introduction to Computer Science OA 2026 | Course Objective Assessment Practice Test with Verified Questions & Answers 1. Which of the following values is stored as an integer data type? a) 3.14 b) "42" c) -256 d) True ANSWER>>: c) -256 RATIONALE>: Integers are whole numbers, both positive and negative, without a fractional or decimal component. -256 fits this definition perfectly. 3.14 is a floating-point number, "42" is a string, and True is a Boolean value. 2. A programmer needs to store a single character, 'Z', in memory. Which data type is most appropriate? a) String b) Float c) Integer d) Char ANSWER>>: d) Char RATIONALE>: A char (character) data type is specifically designed to hold a single letter, digit, or symbol. While a string can hold a single character, it is technically a sequence of characters and is less memory-efficient for this specific purpose. 3. What is the term for a named storage location in a computer's memory that can hold a value which may change during program execution? a) Constant b) Operatorc) Variable d) Keyword ANSWER>>: c) Variable RATIONALE>: By definition, a variable is a symbolic name for a memory location whose associated value can be