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D278 Pre-Assessment Scripting and
Programming Foundations Questions
with complete solution 2025/
Which operator should be used to determine if a number is evenly divisible by 5? A + B - C * D % - correct 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 - correct 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 - correct 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 - correct 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 - correct 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
A To print expressions B To group expressions C To run expressions D To compose expressions - correct answer ✔To group expressions Given float x = 3.0. Which expression evaluates to 2.0? A x / 3 * 2 + 2 B x - 2/ C x + 0.5 / D x / 2 + 0.5 /2 + .25 - correct answer ✔X/2+0.5/2+0. 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) - correct answer ✔(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 - correct answer ✔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 - correct answer ✔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 - correct answer ✔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 - correct answer ✔X A function calculates the weight difference (Diff) given two sample weights (S and S2).
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 - correct answer ✔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 - correct answer ✔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 - correct answer ✔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 - correct answer ✔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 - correct answer ✔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 - C 2 1 0
What is the loop variable initialization in the following pseudocode? y = 0 s = 100. while y < 10 s = s + (s * 5.0) y = y + 1 A y = 0 B y = y + 1 C s = 100. D s = s + ( s * 5.0) - correct answer ✔y = 0 Order the steps needed to output the minimum of x and y from first (1) to last (4). Select your answers from the pull-down list. A Declare variable min B Put min to output C min = x D If y < min, set min = y - correct answer ✔Declare variable min Min = x If y < min, set min = y Put min to output
Order the steps needed to calculate speed in miles per hour given a start and end location and time traveled in hours from first (1) to last (4). Select your answers from the pull-down list. A Put speedMph to output B Declare variables distMiles and speedMph C distMiles = endLocation - startLocation D speedMph = distMiles / timeHours - correct answer ✔Declare variables distMiles and speedMph distMiles = endLocation - startLocation speedMph = distMiles / timeHours Put speedMph to output BCDA Order the tasks needed to create a pyramid (large on bottom, small on top) on a table from first (1) to last (4). Select your answers from the pull-down list. A Place largest shape. B Clear table C Place smallest shape. D Place middle-sized shape. - correct answer ✔Clear table Place largest shape Place middle size shape Place smallest shape BADC
i = 0 x = 0 while i < 5 if list[i] < 0 x = 1 i = i + 1 Put x to output A All integers are positive. B All integers are negative. C At least one integer is negative. D At least one integer is positive. - correct answer ✔At least one integer is negative. When should a programmer develop an algorithm to solve a problem? A Before knowing the problem B Before writing a program to solve the problem C While writing a program to solve the problem D After writing a program to solve the problem - correct answer ✔Before writing a program to solve the problem Which text represents an algorithm? A Cats and dogs have tails.
B Insert key, turn key, open door. C The forecast for tomorrow is rain. D A box has balls, bats, and hats. - correct answer ✔Insert key, turn key, open door. Which text represents an algorithm? A Shake bulb; if it rattles, replace it. B Water is wet; fire is not wet. C Staring at the sun hurts the eyes. D The max speed is 60 mph. - correct answer ✔Shake bulb; if it rattles, replace it. An algorithm should output "OK" if a list's numbers are all non-zero, else the output is "Not OK." Which test is a valid test of the algorithm? A Input 0, 0, 0. Ensure output is "OK." B Input 5, 4, 0. Ensure output is "OK." C Input -3, -2, 5. Ensure output is "Not OK." D Input 99, 0, 5. Ensure output is "Not OK." - correct answer ✔Input 99, 0, 5. Ensure output is "Not OK." What is put to output by the following flowchart, if the input is 17? A Too young
Which elements are characteristic of a class diagram? A System's classes, attributes, and methods and their features, constraints, and relationships B Flow of logic and process interaction within a system C Physical resources or logical architecture of a system D Internal structure of a class and collaboration between classes or instances
- correct answer ✔System's classes, attributes, and methods and their features, constraints, and relationships Review the following use case diagram: What does a use case diagram do? A Diagrams a single use case B Connects several use cases to class diagrams C Provides an overview of several use cases D Lists use case goals - correct answer ✔Provides an overview of several use cases Which phase of a waterfall approach would create a sequence diagram that specifies the required order of events between completed program components? A Analysis B Design
C Implementation D Testing - correct answer ✔Testing Which phase of an agile approach would define a hypothesis to find a problem in a program? A Analysis B Design C Implementation D Testing - correct answer ✔Testing Which phase of an agile approach would create an executable program? A Analysis B Design C Implementation D Testing - correct answer ✔Implementation Which phase of an agile approach would create a list of components needed to build an online auction site? A Analysis B Design C Implementation D Testing - correct answer ✔Design
D Testing - correct answer ✔Implementation A company has a new project it wishes to implement to track and analyze employee and customer interactions. The company leadership determines that the system should support direct data entry as well as automated data capture of phone calls and emails. Which phase of the waterfall process is occurring? A Analysis B Design C Implementation D Testing - correct answer ✔Analysis A programmer shows a program's first version to a customer. The customer provides feedback, which causes the programmer to change the goals of the program. In which phase of an agile approach are goals changed based on customer feedback? A Analysis B Design C Implementation D Testing - correct answer ✔Analysis A programmer shows a program's first version to a customer. Based on feedback, the programmer begins writing a second version of the program.
In which phase of an agile approach does the writing of a second version of the program occur? A Analysis B Design C Implementation D Testing - correct answer ✔Implementation A programmer shows a program's first version to a customer. Based on feedback, the programmer creates a second version, and then has a colleague run the second version on numerous inputs to ensure outputs are correct. Which phase of an agile approach is that colleague carrying out? A Analysis B Design C Implementation D Testing - correct answer ✔Testing A programmer is currently programming the fourth version of a program. Each version has additional features to satisfy more customers. In which phase of an agile approach does the programming of the fourth version occur?
