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D278 Pre-Assessment Scripting and Programming Foundations 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 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. B 6. C 6. 7 7.5 - 6. Given float x = 10.2 and float y = 1.0.
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 S 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 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 - C 2 1 0 D 3 2 1 - 321 A programmer has developed the following code:
count = 0 while count is less than 5: print 'Hello' What is the result of implementing this code? A 'Hello' will print four times. B 'Hello' will print five times. C The program will throw an error. D 'Hello' will print indefinitely. - 'Hello' will print indefinitely What is the loop expression in the following pseudocode? i = 0 while i < 20 Put i to output i = i + 1 A i B i<20 /> C i = 0 D i = i + 1 - i<20/> What is the loop variable initialization in the following pseudocode? y = 0 s = 100. while y < 10 s = s + (s * 5.0)
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. - Clear table Place largest shape Place middle size shape Place smallest shape BADC 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 - Whether x and y are the same 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 - C Outputs -1 when x is positive D Outputs Goodbye when user types -1 - Outputs Goodbye when user types - 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. - 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
A Too young B OK C Too old D Nothing is put to output. - Ok What is put to output by the following flowchart, if the input is 3 5 -1? A 3 5 - B 3 5 C 6 10 D 6 10 -2 - 6 10 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 - Depicts the Employee class' name, data members, and functions 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 - Describes how a user can interact with a program
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 - 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 - 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 - Testing Which phase of an agile approach would define a hypothesis to find a problem in a program?
Which phase of a waterfall approach is the person carrying out? A Analysis B Design C Implementation D Testing - Testing A programmer decides a program should convert U.S. units to metric units and decides to write the program in C++ using several functions. Which phase of a waterfall approach is occurring when the programmer starts writing the program? A Analysis B Design C Implementation D Testing - 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 - 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 - 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 - 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
What is an advantage of using a programming library? A The code has not been tested. B The code has already been tested. C The code can be used across programming languages. D The code has already been compiled. - The code has already been tested. Which language is dynamically typed? A C B C++ C Java D Python - Python Which language is not built on object-oriented design principles? A C B C++ C Java D Python - C A language substantially supports a programmer creating items like person, 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 - Object-oriented 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 - Statically typed 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 - Markup What is a characteristic of a compiled language? A Runs one statement at a time by another program B Is slower than an interpreted language C Converts to machine language before running D Runs on any machine having an interpreter - Converts to machine language before running
