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D278 Pre-Assessment Scripting and Programming
Foundations
1.Which operator should be used to determine if a number is evenly divisible by 5? A + B - C * D %: % 2.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 3.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 4.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 5.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 de- clared? A Constant float userTime B Variable float userTime C Constant integer secondsPerMinute D Variable integer secondsPerMinute: Constant Integer secondsPerMinute
2 / 18 6.A program determines if a user's age is high enough to run for U.S. presi- dent. The minimum age requirement is 35. How should the item that holds the minimum age be declared?
4 / 18 C ( x < 18) or ( x > 24) D ( x < 18) and ( x > 24): B 13.Which data type is used for items that are measured in length? A Integer B Float C String D Boolean: B 14.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: A 15.A function should convert hours and minutes to seconds, such as convert- ing 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: C 16.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: A 17.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 S D Diff: D 18.function P(integer x) returns integer y y = 2 * x
5 / 18 What does P(5) evaluate to? A 2 B 5 C 10 D 25: C 19.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: C 20.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: B 21.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: C 22.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: A 23.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: D
7 / 18 i = i + 1 A i B i<20 /> C i = 0 D i = i + 1: B 28.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): A 29.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: ACDB 30.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: BCDA 31.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.
8 / 18 B Clear table C Place smallest shape. D Place middle-sized shape.: BADC 32.What does the following algorithm determine? if x == y z = 1 else z = 0 A Whether x and y are the same B Whether x and y are negative C Whether x is 1 D Whether x is 0: A 33.What does the following algorithm accomplish? x = Get next input if x == - Put "Goodbye" to output A Outputs -1 when user types any input B Outputs "x" when user types - 1 C Outputs -1 when x is positive D Outputs Goodbye when user types -1: D 34.What does an output of 1 indicate for the following algorithm running on a five-element list of integers? 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.: C
10 / 18 41.What is the purpose of the following class diagram? A Shows how the Employee class is used in the program B Describes the execution flow of the Employee class' operations C Specifies the Employee class' behavioral requirements D Depicts the Employee class' name, data members, and functions: D 42.What is the purpose of a use case diagram, such as the following diagram? A Describes how a user can interact with a program B Describes the data used in the program C Illustrates the flow of the program's algorithms D Shows the interaction between program components: A 43.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- : A 44.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: C 45.Which phase of a waterfall approach would create a sequence diagram that specifies the required order of events between completed program compo- nents? A Analysis B Design C Implementation D Testing: D 46.Which phase of an agile approach would define a hypothesis to find
11 / 18 a problem in a program?
13 / 18 A Analysis B Design C Implementation D Testing: C 52.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: A 53.A programmer shows a program's first version to a customer. The cus- tomer 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: A 54.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: C 55.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
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16 / 18 C Java D Python: D 61.Which language is not built on object-oriented design principles? A C B C++ C Java D Python: A 62.A language substantially supports a programmer creating items like per- son, teacher, and students. Each item has internal data and some operations. Which characteristic describes that language? A Dynamically typed B Object-oriented C Markup D Statically typed: B 63.A programmer wants a compiler to report an error if an integer variable is assigned with a string. Which kind of language should the programmer use? A Dynamically typed B Object-oriented C Markup D Statically typed: D 64.A language uses tags around text to indicate how that text should be formatted. Which characteristic describes a language having such tags? A Objects B Compiler C Script D Markup: D 65.What is a characteristic of a compiled language? A Runs one statement at a time by another program
17 / 18 B Is slower than an interpreted language
