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AP CSP Semester 1 Exam with Complete Solutions
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Consider the following code segment. Which of the following best describes the behavior of the code segment? - ANSWER-The code segment displays the value of 2(5^3) by initializing result to 2 and then multiplying result by 5 a total of three times. In the following procedure, assume that the pa...

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  • December 23, 2022
  • 33
  • 2022/2023
  • Exam (elaborations)
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  • ap csp semester 1 exam with complete solutions
  • consider the following code segment which of the following best describes the behavior of the code segment

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AP CSP Semester 1 Exam with Complete Solutions
Consider the following code segment.
Which of the following best describes the behavior of the code segment? - ANSWER-
The code segment displays the value of 2(5^3) by initializing result to 2 and then multiplying result by 5 a total of three times.
In the following procedure, assume that the parameter x is an integer.
Which of the following best describes the behavior of the procedure? - ANSWER-It displays true if x is negative and displays nothing otherwise.
A company that develops educational software wants to assemble a collaborative team of developers from a variety of professional and cultural backgrounds. Which of the following is NOT considered a benefit of assembling such a team? - ANSWER-
Collaboration that includes diverse backgrounds and perspectives can eliminate the need for software testing.
Central High School keeps a database of information about each student, including the numeric variables numberOfAbsences and gradePointAverage. The expression below is used to determine whether a student is eligible to receive an academic award.
(numberOfAbsences ≤ 5) AND (gradePointAverage > 3.5)
Which of the following pairs of values indicates that a student is eligible to receive an academic award? - ANSWER-numberOfAbsences = 5, gradePointAverage = 3.8
DineOutHelper is a mobile application that people can use to select a restaurant for a group meal. Each user creates a profile with a unique username and a list of food allergies or dietary restrictions. Each user can then build a contact list of other users of the app.
A user who is organizing a meal with a group selects all the members of the group from the user's contact list. The application then recommends one or more nearby restaurants based on whether the restaurant can accommodate all of the group members' allergies and dietary restrictions.
Suppose that Alejandra is using DineOutHelper to organize a meal with Brandon and Cynthia.
Which of the following data are needed for DineOutHelper to recommend a restaurant for the group?
Each group member's list of food allergies or dietary restrictions
Alejandra's geographic location
The usernames of the people on Brandon and Cynthia's contact lists - ANSWER-I and II
only
DineOutHelper is a mobile application that people can use to select a restaurant for a group meal. Each user creates a profile with a unique username and a list of food allergies or dietary restrictions. Each user can then build a contact list of other users of the app. A user who is organizing a meal with a group selects all the members of the group from the user's contact list. The application then recommends one or more nearby restaurants based on whether the restaurant can accommodate all of the group members' allergies and dietary restrictions.
Suppose that Alejandra is using DineOutHelper to organize a meal with Brandon and Cynthia.
Which of the following data is not provided by Alejandra but is necessary for DineOutHelper to recommend a restaurant for the group?
Brandon's contact list
Information about which restaurants Brandon and Cynthia have visited in the past
Information about which food allergies and dietary restrictions can be accommodated at different restaurants near Alejandra - ANSWER-III only
A programmer wrote the program below. The program uses a list of numbers called numList. The program is intended to display the sum of the numbers in the list.
In order to test the program, the programmer initializes numList to [0, 1, 4, 5]. The program displays 10, and the programmer concludes that the program works as intended.
Which of the following is true? - ANSWER-The conclusion is incorrect; using the test case [0, 1, 4, 5] is not sufficient to conclude the program is correct.
D
The upgraded system uses a directory containing additional information not supplied by the customer. The directory is used to help direct calls effectively. Which of the following
is LEAST likely to be included in the directory? - ANSWER-A list of computers the company owns and the computers' corresponding IP addresses
To direct a call to the appropriate destination, which of the following input data is needed by the upgraded system that was NOT needed by the original system?
Audio signal of the customer's voice
The customer's keypad selection
The customer's phone number - ANSWER-I only
In the following procedure, the parameter max is a positive integer.
PROCEDURE printNums(max)
{
count ← 1
REPEAT UNTIL(count > max)
{
DISPLAY(count)
count ← count + 2
}
} Which of the following is the most appropriate documentation to appear with the printNums procedure? - ANSWER-Prints all positive odd integers that are less than or equal to max.
In the following procedure, the parameters x and y are integers.
Which of the following is the most appropriate documentation to appear with the calculate procedure? - ANSWER-Displays the value of (x + y) / x. The value of the parameter x must not be 0.
In the following procedure, the parameter numList is a list of numbers and the parameters j and k are integers.
PROCEDURE swapListElements(numList, j, k)
{
newList ← numList
newList[j] ← numList[k]
newList[k] ← numList[j]
RETURN(newList)
}
Which of the following is the most appropriate documentation to appear with the swapListElements procedure? - ANSWER-Returns a copy of numList with the elements at indices j and k interchanged.The values of j and k must both be between 1 and LENGTH(numList), inclusive
The following procedure is intended to return the number of times the value val appears in the list myList. The procedure does not work as intended.
Which of the following changes can be made so that the procedure will work as intended? - ANSWER-Moving the statement in line 5 so that it appears between lines 2 and 3
In the following code segment, score and penalty are initially positive integers. The code
segment is intended to reduce the value of score by penalty. However, if doing so would
cause score to be negative, score should be assigned the value 0.
For example, if score is 20 and penalty is 5, the code segment should set score to 15.If score is 20 and penalty is 30, score should be set to 0.
The code segment does not work as intended.
Line 1: IF(score - penalty < 0)
Line 2: {
Line 3: score ← score - penalty
Line 4: }
Line 5: ELSE
Line 6: {
Line 7: score ← 0
Line 8: }
Which of the following changes can be made so that the code segment works as intended? - ANSWER-Interchanging lines 3 and 7 Three students in different locations are collaborating on the development of an application. Which of the following strategies is LEAST likely to facilitate collaboration among the students? - ANSWER-Three students in different locations are collaborating on the development of an application. Which of the following strategies is LEAST likely to facilitate collaboration among the students?
A student wrote the following code segment, which displays true if the list myList contains any duplicate values and displays false otherwise.
The code segment compares pairs of list elements, setting containsDuplicates to true if any two elements are found to be equal in value. Which of the following best describes the behavior of how pairs of elements are compared? - ANSWER-The code segment iterates through myList, comparing each element to all subsequent elements in the list.
The following code segment is intended to set max equal to the maximum value among the integer variables x, y, and z. The code segment does not work as intended in all cases.
Which of the following initial values for x, y, and z can be used to show that the code segment does not work as intended? - ANSWER-x = 3, y = 2, z = 1
A student is creating an application that allows customers to order food for delivery from
a local restaurant. Which of the following is LEAST likely to be an input provided by a customer using the application? - ANSWER-The cost of a food item currently available for order
The following procedure is intended to return true if the list of numbers myList contains only positive numbers and is intended to return false otherwise. The procedure does not
work as intended.
PROCEDURE allPositive(myList)
{
index ← 1
len ← LENGTH(myList)
REPEAT len TIMES
{
IF(myList[index] > 0)
{
RETURN(true)
}
index ← index + 1
}
RETURN(false)
}
For which of the following contents of myList does the procedure NOT return the intended result? - ANSWER-[-1, 0, 1]
A homework assignment consists of 10 questions. The assignment is graded as follows.

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