WGU D278 Pre-Assessment V1 (Latest 2024/ 2025 Update) Scripting and Programming - Foundations | Questions and Verified Answers| 100% Correct| Grade A

WGU D278 Pre-Assessment V1 (Latest 2024/ 2025 Update) Scripting and Programming - Foundations | Questions and Verified Answers| 100% Correct| Grade A Q: What is the purpose of parentheses () in a programming expression? A To print expressions B To group expressions C To run expressions D To compose expressions Answer: To group expressions Q: Given float x = 3.0. Which expression evaluates to 2.0? A x / 3 * 2 + 2 B x - 2/3 C x + 0.5 /2 D x / 2 + 0.5 /2 + .25 Answer: D Q: Which expression evaluates to true only when the user is within 3 years of 21 years, given a variable x containing a user's age? A x >= 18) or ( x <= 24) B ( x >= 18) and ( x <= 24) C ( x < 18) or ( x > 24) D ( x < 18) and ( x > 24) Answer: B Q: Which data type is used for items that are measured in length? A Integer B Float C String D Boolean Answer: B Q: Which data type should be used to keep track of how many planes are in a hangar? A Integer B Float C String D Boolean Answer: A Q: A function should convert hours and minutes to seconds, such as converting 1 hour and 10 minutes to 4,200 seconds. What should be the input to the function? A Hours only B Minutes only C Hours and minutes D Hours, minutes, and seconds Answer: C Q: A function returns a number x cubed. For example, if x is 3, the function returns 3 * 3 * 3, or 27. What should be the input to the function? A x B x, x C x, x, x D 27 Answer: A Q: A function calculates the weight difference (Diff) given two sample weights (S1 and S2). What should be the output from the function? A S1 only B S2 only C S1 and S2 D Diff Answer: D Q: function P(integer x) returns integer y y = 2 * x What does P(5) evaluate to? A 2 B 5