D278 PRE-ASSESSMENT SCRIPTING AND PROGRAMMING FOUNDATIONS EXAM QUESTIONS AND ANSWERS 2024
Which operator should be used to determine if a number is evenly divisible by 5? A + B - C * D % % 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 Division Brainpower 0:04 / 0:15 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 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 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 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 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 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 10.2 What kind of operator is the == in the expression i == 20? A Assignment B Arithmetic C Equality D Logical 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 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 X/2+0.5/2+0.25 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) (X>=18) and (X<=24) Which data type is used for items that are measured in length? A Integer B Float C String D Boolean Float 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 Integer 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 Hours and minutes 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 X 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 Diff function P(integer x) returns integer y y = 2 * x What does P(5) evaluate to? A 2 B 5 C 10 D 25 10 Function F() Put "Hey" to output What entire output appears after three successive calls to F()? A Hey B HHHey C HeyHeyHey D Hey Hey Hey HeyHeyHey What is a valid user-defined function name? A A reserved word B Any valid identifier C Any variable name D A floating-point number Any valid identifier A function MyFct has an input x and an output z. What does MyFct return? A Nothing B x only C z only D x and z Z only What is the return value of a function? A Output of a function B Call to run the function C Data passed to the function D Variable in the declaration of the function Output of a function A program should continue accepting input numbers, adding each to a sum, until a 0 is input. Which control structure should be used? A If statement B For loop C Multiple if statements D While loop While loop Joe is building an online game. He wants to provide a riddle and have the player guess the answer. The game needs to prompt the user to enter the answer, check to see if it the input provided does not match the correct answer, and continue prompting the user until the answer entered matches the correct answer. Which control structure supports Joe's needs? A For loop B While loop C Do-while loop D If-else branch Do-while loop What is put to output by the following pseudocode? x = 3 do Put x to output Put " " to output x = x - 1 while x > 0 A 3 2 1 0 B 3 2 1 0 -1 C 2 1 0 D 3 2 1 321
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d278 pre assessment scripting and programming
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