WGU D278 Pre-Assessment Scripting and Programming Foundations Questions With Correct Answers

Which operator should be used to determine if a number is evenly divisible by 5? A + B - C * D % - Answer % A car drove 200 miles using 10 gallons of fuel. Which operation should be used to compute the miles per gallon, which is 20? A Addition B Subtraction C Multiplication D Division - Answer Division A variable should hold a person's height in meters. Which data type should the variable be? A Integer B Float C String D Boolean - Answer Float A variable should hold the names of all past U.S. presidents. Which data type should the variable be? A Integer array B Float array C String array D Boolean array - Answer String Array A program uses the number of seconds in a minute in various calculations. How should the item that holds the number of seconds in a minute be declared? A Constant float userTime B Variable float userTime C Constant integer secondsPerMinute D Variable integer secondsPerMinute - Answer Constant Integer secondsPerMinute A program determines if a user's age is high enough to run for U.S. president. The minimum age requirement is 35. How should the item that holds the minimum age be declared? A Constant integer minAge B Variable integer minAge C Constant integer 35 D Variable integer 35 - Answer Constant integer minAge Given integer x = 3 and integer y = 5. What is the value of the expression ( x / 2.0) + y? A 5.0 B 6.0 C 6.5 7 7.5 - Answer 6.5 Given float x = 10.2 and float y = 1.0. What is the value of the expression x / y ? A 0.0 B 1.0 C 10 D 10.2 - Answer 10.2 What kind of operator is the == in the expression i == 20? A Assignment B Arithmetic C Equality D Logical - Answer Equality 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 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 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 Which data type is used for items that are measured in length? A Integer B Float C String D Boolean - Answer B 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 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