Consider two lists of numbers called list1 and list2. A programmer wants to determine how many different values appear in both lists. For example, if list1 contains [10, 10, 20, 30, 40, 50, 60] and list2 contains [20, 20, 40, 60, 80], then there are three different values that appear in both lists (20, 40, and 60). The programmer has the following procedures available. Which of the following can be used to assign the intended value to count ?

newList1 <--- RemoveAllDups (list1) newList2 <--- RemoveAllDups (list2) bothList <--- Combine (newList1, newList2) uniqueList <--- RemoveAllDups (bothList) count <--- LENGTH (bothList) - LENGTH (uniqueList)

bothList <--- Combine (list1, list2) uniqueList <--- RemoveAllDups (bothList) count <--- LENGTH (bothList) - LENGTH (uniqueList)

newList1 <--- RemoveAllDups (list1) newList2 <--- RemoveAllDups (list2) bothList <--- Combine (newList1, newList2) count <--- LENGTH (list1) + LENGTH (list2) - LENGTH (bothList)

newList1 <--- RemoveAllDups (list1) newList2 <--- RemoveAllDups (list2) bothList <--- Combine (newList1, newList2) count <--- LENGTH (newList1) + LENGTH (newList2) - LENGTH (bothList)

A programmer wants to create a new string by removing the character in position n of the string oldStr. For example, if oldStr is "best" and n is 3, then the new string should be "bet". Assume that 1 < n < len(oldStr). Which of the following code segments can be used to create the desired new string and store it in newStr ? Select two answers.

left <--- substring(oldStr, 1, n - 1) right <--- substring(oldStr, n + 1, len(oldStr)) newStr <--- concat(left, right)

newStr <---substring(oldStr, 1, n - 1) newStr <--- concat(newStr, substring(oldStr, n + 1, len(oldStr)))

left <--- substring(oldStr, 1, n + 1) right <--- substring(oldStr, n - 1, len(oldStr)) newStr <--- concat(left, right)

newStr <--- substring(oldStr, n + 1, len(oldStr)) newStr <--- concat(newStr, substring(oldStr, 1, n - 1))

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing right. Which of the following code segments will move the robot to the gray square along the path indicated by the arrows?

botStepper 2 MOVE_FOWARD botStepper 3

botStepper 3 MOVE_FOWARD botStepper 4

The drawLine procedure is to be used to draw the following figure on a coordinate grid. Which of the following code segments can be used to draw the figure?

xVal <--- 1 yVal <--- 0 len <--- 1 REPEAT 5 TIMES { drawLine(xVal, yVal, xVal, yVal + len) xVal ← xVal + 1 len ← len + 1

xVal ←1 yVal← 0 len ←1 REPEAT 5 TIMES { drawLine(xVal, yVal, xVal + len, yVal) yVal ← yVal + 1 len ← len + 1

xVal ←5 yVal← 0 len← 5 REPEAT 5 TIMES { drawLine(xVal, yVal, xVal, yVal + len) xVal ← xVal - 1

xVal ← 5 yVal ←0 len← 5 REPEAT 5 TIMES { drawLine(xVal, yVal, xVal + len, yVal) yVal ← yVal - 1 len ← len - 1

A programmer notices the following two procedures in a library. The procedures do similar, but not identical, things. • Procedure MaxTwo (x, y) returns the greater of its two integer parameters. • Procedure MaxThree (x, y, z) returns the greatest of its three integer parameters. Which of the following procedures is a generalization of the MaxTwo and MaxThree procedures?

Procedure Max (numList), which returns the maximum value in the list of integers numList

Procedure Min (x, y), which returns the lesser of its two integer parameters

Procedure MaxFour (w, x, y, z), which returns the greatest of its four integer parameters

Procedure OverMax (numList, max), which returns the number of integers in numList that exceed the integer value max

Which of the following are ways in which a programmer can use abstraction to manage the complexity of a program? Select two answers.

Replacing each instance of repeated code with a call to a procedure

Replacing several lines of documentation name1, name2, name3, and name4 with a single line of documentation and with a list of strings called names

Replacing longer variable names with shorter variable names to reduce typing errors

Replacing several lines of documentation with a single line of documentation

A computer science student completes a program and asks a classmate for feedback. The classmate suggests rewriting some of the code to include more procedural abstraction. Which of the following is NOT a benefit of procedural abstraction?

Providing more opportunities for code reuse

Reducing the amount of duplicated code

A student is developing a program that allows users to look up the definitions of words that appear in a book. The student plans to perform a large number of searches through a dictionary containing words and their definitions. The student will use a procedure written by a computer scientist to quickly search the dictionary (and knows that the procedure will return a definition if one is available). The student cannot modify the search procedure written by the computer scientist but can call the procedure by supplying a word. Which of the following is a true statement about the student’s use of the computer scientist’s search procedure?

The student is reusing the computer scientist’s procedural abstraction by knowing what the procedure does without knowing how it does it.

The student is changing the search procedure’s internal abstractions.

The student is modifying the search procedure to take a definition as an argument and return the corresponding word.

The student is reusing the computer scientist’s procedural abstraction by using duplicate code each time a search needs to occur.

Which of the following are benefits of procedural abstraction? Select two answers.

Procedural abstraction makes it easier for people to read computer programs.

Procedural abstraction provides an opportunity to give a name to a block of code that describes the purpose of the code block.

Procedural abstraction prevents programmers from accidentally using the intellectual property of other programmers.

Procedural abstraction eliminates the need for programmers to document their code.

Which of the following is NOT a benefit of collaborating to develop a computing innovation?

Collaboration eliminates the need to resolve differences of opinion.

Collaboration can decrease the size and complexity of tasks required of individual team members.

Collaboration can make it easier to find and correct errors during the development process.

Collaboration facilitates multiple perspectives in developing ideas.

Assume that the list originalList contains integer values and that the list newList is initially empty. The following code segment is intended to copy all even numbers from originalList to newList so that the numbers in newList appear in the same relative order as in originalList. The code segment may or may not work as intended. Line 1: FOR EACH number IN originalList Line 2: { Line 3: IF (number MOD 2 = 0) Line 4: { Line 5: INSERT (newList, 1, number) Line 6: } Line 7: } Which of the following changes, if any, can be made so that the code segment works as intended?

Changing line 5 to APPEND (newList, number)

Changing line 1 to FOR EACH number IN newList

Changing line 3 to IF (number MOD 2 = 1)

No change is needed; the code segment is correct as is.

The following algorithm is intended to take a positive integer as input and display its individual digits in order from right to left. For example, if the input is 512, the algorithm should produce the output 2 1 5. Step 3 of the algorithm is missing. Step 1: Input a positive integer from the user and store it in the variable number. Step 2: Divide number by 10 and record the integer quotient and the remainder. The integer quotient is the quotient with any part after the decimal point dropped. For example, when 127 is divided by 10, the quotient is 12.7, the integer quotient is 12 and the remainder is 7. Step 3: (missing step) Step 4: Repeat steps 2 and 3 until number is 0. Which of the following can be used as step 3 so that the algorithm works as intended?

Step 3: Display the remainder of number divided by 10 and store the integer quotient in number.

Step 3: Display the remainder of number divided by 10 and store the remainder in number.

Step 3: Display the integer quotient of number divided by 10 and store the remainder in number.

Step 3: Display the integer quotient of number divided by 10 and store the integer quotient in number.

A list of numbers has n elements, indexed from 1 to n. The following algorithm is intended to display the number of elements in the list that have a value greater than 100. The algorithm uses the variables count and position. Steps 3 and 4 are missing. Step 1 Set count to 0 and position to 1. Step 2 If the value of the element at index position is greater than 100, increase the value of count by 1. Step 3 (missing step) Step 4 (missing step) Step 5 Display the value of count. Which of the following could be used to replace steps 3 and 4 so that the algorithm works as intended?

Step 3 Increase the value of position by 1. Step 4 Repeat steps 2 and 3 until the value of position is greater than n.

Step 3 Increase the value of position by 1. Step 4 Repeat steps 2 and 3 until the value of count is greater than 100.

Step 3 Repeat step 2 until the value of count is greater than 100. Step 4 Increase the value of position by 1.

Step 3 Repeat step 2 until the value of position is greater than n. Step 4 Increase the value of count by 1.

A group of students take hundreds of digital photos for a science project about weather patterns. Each photo file contains data representing the level of red, green, and blue for each pixel in the photo. The file also contains metadata that describes the date, time, and geographic location where the photo was taken. For which of the following goals would analyzing the metadata be more appropriate than analyzing the data? Select two answers.

Determining the chronological order of the photos

Determining whether two photos were taken at the same location on different days

Determining the number of clouds in a particular photo

Determining whether a photo is suitable for printing in black-and-white

A student wrote the procedure below, which is intended to ask whether a user wants to keep playing a game. The procedure does not work as intended. Which of the following best describes the result of running the procedure?

The procedure returns false no matter what the input value is.

The procedure returns true when the user inputs the value "y" and returns false otherwise.

The procedure returns true when the user inputs the value "n" and returns false otherwise.

The procedure returns true no matter what the input value is.

In the procedure Mystery below, the parameter number is a positive integer. Which of the following best describes the result of running the procedure Mystery?

The procedure returns true when the initial value of number is even, and it otherwise returns false.

The procedure returns true when the initial value of number is 2, and it otherwise returns false.

The procedure returns true when the initial value of number is greater than 2, and it otherwise returns false.

The procedure returns true when the initial value of number is odd, and it otherwise returns false.

A game program contains the following code to update three score variables, health, food, and knowledge. The maximum values for the three variables are 100, 80, and 25, respectively. health health + 10 IF(health > 100) { health ← 100 } food food + 1 IF(food > 80) { food ← 80 } knowledge knowledge + 5 IF(knowledge > 25) { knowledge ← 25 } The game program’s author would like to write a procedure that could be used to update any variable in the game (myScore) that has a maximum value (myLimit) by a given amount (myAmount). A correct call of the procedure is shown below. myScore updateScore(myScore, myAmount, myLimit) Which of the following is a correct implementation of updateScore ?

PROCEDURE updateScore(score, amount, limit) { score ← score + amount IF(score > limit) { score ← limit } RETURN(score)

PROCEDURE updateScore(score, amount, limit) { score ← score + amount IF (score > limit) { score ← limit } } PROCEDURE updateScore(score, amount, limit) {

score ← score + amount IF(score > amount) { score ← limit } RETURN(limit)

PROCEDURE updateScore(score, amount, limit) { IF(score = health) { score ← score + 10 } IF(score = food) { score ← score + 1 } IF(score = knowledge) { score ← score + 5 } IF(score > limit) { score ← limit }

A student has a data file containing 10,000 numerical values. The student is writing a program to compute the average of the numbers contained in the file. Which of the following procedures is most likely to be useful in the student’s program?

A procedure that returns the sum of the values in the file

A procedure that returns the quotient when dividing one value by another

A procedure that returns the sum when adding one value to another

A procedure that returns true if the file contains any duplicate values and returns false otherwise

A student is writing a program that is intended to replace each negative value in a particular column of a spreadsheet with the value 0. Which of the following procedures is most likely to be useful in the student’s program?

A procedure findNegative, which returns the row number of the first negative value that appears in the column or -1 if there are no negative values.

A procedure containsNegatives, which returns true if any negative values appear in the column and returns false otherwise.

A procedure countNegatives, which returns the number of negative values that appear in the column.

A procedure minimum, which returns the minimum value that appears in the column.

Which of the following procedures would be most useful as part of a program to determine whether a word appears in two different text files?

A procedure isFound, which takes a word and a text file as input and returns true if the word appears in the text file

A procedure getWords, which takes a positive integer n and a text file as input and returns the first n words in the text file.

A procedure textMatch, which takes two text files as input and returns true if the two text files are identical.

A procedure sameSize, which takes two text files as input and returns true if the two text files contain the same number of words.

The figure below shows four grids, each containing a robot represented as a triangle. The robot cannot move to a black square or move beyond the edge of the grid. Which of the following algorithms will allow the robot to make a single circuit around the rectangular region of black squares, finishing in the exact location and direction that it started in each of the four grids?

Step 1: Keep moving forward, one square at a time, until the square to the right of the robot is no longer black. Step 2: Turn right and move one square forward. Step 3: Repeat steps 1 and 2 three more times.

Step 1: Keep moving forward, one square at a time, until the square to the right of the robot is black. Step 2: Turn right and move one square forward. Step 3: Repeat steps 1 and 2 three more times.

Step 1: Move forward three squares. Step 2: Turn right and move one square forward. Step 3: If the square to the right of the robot is black, repeat steps 1 and 2.

Step 1: Move forward three squares. Step 2: Turn right and move one square forward. Step 3: If the square to the right of the robot is not black, repeat steps 1 and 2.

Three different numbers need to be placed in order from least to greatest. For example, if the numbers are ordered 9, 16, 4, they should be reordered as 4, 9, 16. Which of the following algorithms can be used to place any three numbers in the correct order?

If the first number is greater than the middle number, swap them. Then, if the middle number is greater than the last number, swap them. Then, if the first number is greater than the middle number, swap them.

If the first number is greater than the last number, swap them. Then, if the first number is greater than the middle number, swap them.

If the first number is greater than the middle number, swap them. Then, if the middle number is greater than the last number, swap them.

If the first number is greater than the middle number, swap them. Then, if the middle number is greater than the last number, swap them. Then, if the first number is greater than the last number, swap them.

The following question uses a robot in a grid of squares. The robot is represented as a triangle, which is initially facing toward the top of the grid. The following code segment moves the robot around the grid. Assume that n is a positive integer. Line 1: count 0 Line 2: REPEAT n TIMES Line 3: { Line 4: REPEAT 2 TIMES Line 5: { Line 6: MOVE_FORWARD() Line 7: } Line 8: ROTATE_RIGHT() Line 9: } Consider the goal of modifying the code segment to count the number of squares the robot visits before execution terminates. Which of the following modifications can be made to the code segment to correctly count the number of squares the robot moves to?

Inserting the statement count <--- count + 1 between line 6 and line 7

Inserting the statement count <--- count + 2 between line 6 and line 7

Inserting the statement count <--- count + 1 between line 8 and line 9

Inserting the statement count <--- count + n between line 8 and line 9

Two lists, list1 and list2, contain the names of books found in two different collections. A librarian wants to create newList, which will contain the names of all books found in either list, in alphabetical order, with duplicate entries removed. For example, if list1 contains ["Macbeth", "Frankenstein", "Jane Eyre"] and list2 contains ["Frankenstein", "Dracula", "Macbeth", "Hamlet"], then newList will contain ["Dracula", "Frankenstein", "Hamlet", "Jane Eyre", "Macbeth"]. The following procedures are available to create newList.

newList ← Combine (list1, list2) newList ← Sort (newList) newList ← RemoveDuplicates (newList)

list1 ← Sort (list1) list2 ← Sort (list2) newList ← Combine (list1, list2) newList ← RemoveDuplicates (newList)

list1 ← RemoveDuplicates (list1) list2 ← RemoveDuplicates (list2) newList ← Combine (list1, list2) newList ← Sort (newList)

list1 ← RemoveDuplicates (list1) list1 ← Sort (list1) list2 ← RemoveDuplicates (list2) list2 ← Sort (list2) newList ← Combine (list1, list2)

The drawCircle procedure is to be used to draw the following figure on a coordinate grid. Let the value of the variable x be 2, the value of the variable y be 2, and the value of the variable r be 1. Which of the following code segments can be used to draw the figure?

drawCircle(x, y, r) drawCircle(x, y + 3, r) drawCircle(x + 3, y, r) drawCircle(x + 3, y + 3, r)

drawCircle(x, y, r) drawCircle(x, y + 2, r) drawCircle(x + 2, y, r) drawCircle(x + 2, y + 2, r)

drawCircle(x, y, r + 2) drawCircle(x, y + 2, r + 2) drawCircle(x + 2, y, r + 2) drawCircle(x + 2, y + 2, r + 2)

drawCircle(x, y, r + 3) drawCircle(x, y + 3, r + 3) drawCircle(x + 3, y, r + 3) drawCircle(x + 3, y + 3, r + 3)

Which of the following best explains what happens when a new device is connected to the Internet?

An Internet Protocol (IP) address is assigned to the device.

A device driver is assigned to the device.

A packet number is assigned to the device.

A Web site is assigned to the device.

A local router is configured to limit the bandwidth of guest users connecting to the Internet. Which of the following best explains the result of this configuration as compared to a configuration in which the router does not limit the bandwidth?

Guest users will be restricted in the maximum amount of data that they can send and receive per second.

The amount of time it takes guest users to send and receive large files is likely to decrease.

The number of packets required for guest users to send and receive data is likely to decrease.

Guest users will be prevented from having fault-tolerant routing on the Internet.

Which of the following best explains how devices and information can be susceptible to unauthorized access if weak passwords are used?

Unauthorized individuals can use data mining and other techniques to guess a user’s password.

Unauthorized individuals can deny service to a computing system by overwhelming the system with login attempts.

Unauthorized individuals can exploit vulnerabilities in compression algorithms to determine a user’s password from their decompressed data.

Unauthorized individuals can exploit vulnerabilities in encryption algorithms to determine a user’s password from their encryption key.

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?

The code segment iterates through myList, comparing each element to all subsequent elements in the list.

The code segment iterates through myList, comparing each element to all other elements in the list.

The code segment iterates through myList, comparing each element to the element that immediately follows it in the list.

The code segment iterates through myList, comparing each element to the element that immediately precedes it in the list.

The following figure represents a network of physically linked devices labeled P through S. A line between two devices indicates a connection. Devices can communicate only through the connections shown. Which of the following statements best explains the ability of the network to provide fault tolerance?

The network is considered fault-tolerant because there are redundant paths between each pair of devices.

The network is considered fault-tolerant because it guarantees that no individual component will fail.

The network is not considered fault-tolerant because it relies on physical connections.

The network is not considered fault-tolerant because it provides more paths than are needed.

Which of the following is a characteristic of the fault-tolerant nature of routing on the Internet?

The ability to provide data transmission even when some connections have failed

The ability to use a hierarchical naming system to avoid naming conflicts

The ability to resolve errors in domain name system (DNS) lookups

The ability to use multiple protocols such as hypertext transfer protocol (HTTP), Internet protocol (IP), and simple mail transfer protocol (SMTP) to transfer data

Which of the following best explains how fault tolerance in a network is achieved?

By providing multiple paths between devices, enabling routing to occur even in the presence of a failed component

By providing high-bandwidth connections between devices, enabling data packets to be transmitted as quickly as possible

By providing open network protocols, ensuring that all devices on the network are interacting in a standard way

By providing software to monitor all network traffic, ensuring that data packets are sent and received in the proper order

Which of the following best explains how the Internet is a fault-tolerant system?

The Internet is fault-tolerant because there are usually multiple paths between devices, allowing messages to sometimes be sent even when parts of the network fail

The Internet is fault-tolerant because cybercriminals can conceal their actions, allowing them the ability to carry out faulty actions without leaving a trace.

The Internet is fault-tolerant because users can transmit messages using a variety of different protocols, allowing them to use devices from any manufacturer.

The Internet is fault-tolerant because users usually understand and accept the fact that servers sometimes fail, allowing network engineers to repair faulty devices as quickly as possible.

A computer science student completes a program and asks a classmate for feedback. The classmate suggests rewriting some of the code to include more procedural abstraction. Which of the following is NOT a benefit of procedural abstraction?

Providing more opportunities for code reuse

Reducing the amount of duplicated code

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing right. Which of the following code segments will move the robot to the gray square along the path indicated by the arrows?

botStepper 2 MOVE_FOWARD botStepper 3

botStepper 3 MOVE_FOWARD botStepper 4

Which of the following is a primary benefit of making a computing system fault-tolerant?

If one component of the system fails, users of the system can often still access it.

If one component of the system is hacked, no information will be stolen.

If the system becomes too expensive, making it fault-tolerant will save money.

If the system cannot operate efficiently, making it fault-tolerant will speed up its operation.

AP comp sci test #7

Quiz

•

Computers

•

9th - 12th Grade

•

Practice Problem

•

Hard

Sophie Schneider

Used 1+ times

FREE Resource

109 questions

Show all answers

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The following table shows the value of expression based on the values of input1 and input2. Which of the following expressions are equivalent to the value of expression as shown in the table?

(NOT input1) OR (NOT input2)

(NOT input1) AND (NOT input2)

NOT (input1 OR input2)

NOT (input1 AND input2)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing toward the top of the grid. Which of the following code segments will move the robot to the gray square along the path indicated by the
arrows?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student’s overall course grade in a certain class is based on the student’s scores on individual assignments. The course
grade is calculated by dropping the student’s lowest individual assignment score and averaging the remaining scores.
For example, if a particular student has individual assignment scores of 85, 75, 90, and 95, the lowest score (75) is
dropped. The calculated course grade is . A programmer is writing a program to calculate a student’s course grade using the process described. The
programmer has the following procedures available. The student’s individual assignment scores are stored in the list scores. Which of the following can be used to calculate a student’s course grade and store the result in the variable finalGrade?

finalGrade <--- Sum (scores) / LENGTH (scores)

finalGrade <--- finalGrade - Min (scores)

finalGrade <--- Sum (scores) / (LENGTH (scores) - 1)

finalGrade <--- finalGrade - Min (scores)

finalGrade <--- Sum (scores) - Min (scores)

finalGrade <--- finalGrade / LENGTH (scores)

finalGrade <--- Sum (scores) - Min (scores)

finalGrade <--- finalGrade / (LENGTH (scores) - 1)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing right. Consider the procedures below. Which of the following code segments will move the robot to the gray square?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Grades in a computer science course are based on total points earned on a midterm exam and a final exam. The teacher provides a way for students to improve their course grades if they receive high scores on the final exam: if a student’s final exam score is greater than the student’s midterm exam score, the final exam score replaces the midterm exam score in the calculation of total points. The table below shows two students’ scores on the midterm and final exams and the calculated total points each student earns.
• Khalil does better on the midterm exam than on the final exam, so his original midterm and final exam scores are added to compute his total points.
• Josefina does better on the final exam than on the midterm exam, so her final exam score replaces her midterm exam score in the total points calculation.
A programmer is writing a procedure to calculate a student’s final grade in the course using the score replacement policy described. The student’s exam scores are stored in the variables and . The procedure returns the larger of and . Which of the following could be used in the procedure to calculate a student’s total points earned in the course and store the result in the variable ?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following code segment is intended to draw the figure.
startX <--- 2
startY <--- 6
endX <--- 8
endY <--- 8
REPEAT 4 TIMES
{
<MISSING CODE>
Which of the following can be used to replace <MISSING CODE> so that the figure is drawn correctly?

DrawLine (startX, startY, endX, endY)

endY <--- endY - 2

DrawLine (startX, startY, endX, endY)

endX <--- endX - 2

endY <--- endY - 2

DrawLine (startX, startY, endX, endY)

endX <--- endX - 2

endY <--- endY - 2

DrawLine (startX, startY, endX, endY)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A list of numbers is considered increasing if each value after the first is greater than or equal to the preceding value.
The following procedure is intended to return true if numberList is increasing and return false
otherwise. Assume that numberList contains at least two elements.
Line 1: PROCEDURE isIncreasing(numberList)
Line 2: {
Line 3: count 2
Line 4: REPEAT UNTIL(count > LENGTH(numberList))
Line 5: {
Line 6: IF(numberList[count] < numberList[count - 1])
Line 7: {
Line 8: RETURN(true)
Line 9: }
Line 10: count count + 1
Line 11: }
Line 12: RETURN(false)
Line 13: }
Which of the following changes is needed for the program to work as intended?

In line 3, 2 should be changed to 1.

In line 6, < should be changed to ≥.

Lines 8 and 12 should be interchanged.

Lines 10 and 11 should be interchanged.

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AP comp sci test #7

109 questions

The following table shows the value of expression based on the values of input1 and input2. Which of the following expressions are equivalent to the value of expression as shown in the table?

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing toward the top of the grid. Which of the following code segments will move the robot to the gray square along the path indicated by the
arrows?

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing right. Consider the procedures below. Which of the following code segments will move the robot to the gray square?

The following code segment is intended to draw the figure.
startX <--- 2
startY <--- 6
endX <--- 8
endY <--- 8
REPEAT 4 TIMES
{
<MISSING CODE>
Which of the following can be used to replace <MISSING CODE> so that the figure is drawn correctly?

An application program interface (API) provides a procedure Max, which returns the greater of its two integer arguments. A programmer would like to find the greatest of three integer values , , and . Which of the following
expressions will produce the desired result in every case?

A program contains the following procedures for string manipulation.
Which of the following expressions can be used to generate the string "Happy" ?

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AP comp sci test #7

109 questions

The following table shows the value of expression based on the values of input1 and input2. Which of the following expressions are equivalent to the value of expression as shown in the table?

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing toward the top of the grid. Which of the following code segments will move the robot to the gray square along the path indicated by thearrows?

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing right. Consider the procedures below. Which of the following code segments will move the robot to the gray square?

The following code segment is intended to draw the figure.startX <--- 2startY <--- 6endX <--- 8endY <--- 8REPEAT 4 TIMES{<MISSING CODE>Which of the following can be used to replace <MISSING CODE> so that the figure is drawn correctly?

An application program interface (API) provides a procedure Max, which returns the greater of its two integer arguments. A programmer would like to find the greatest of three integer values , , and . Which of the followingexpressions will produce the desired result in every case?

A program contains the following procedures for string manipulation.Which of the following expressions can be used to generate the string "Happy" ?

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Similar Resources on Wayground

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Discover more resources for Computers

The following question uses a robot in a grid of squares. The robot is represented by a triangle, which is initially facing toward the top of the grid. Which of the following code segments will move the robot to the gray square along the path indicated by the
arrows?

The following code segment is intended to draw the figure.
startX <--- 2
startY <--- 6
endX <--- 8
endY <--- 8
REPEAT 4 TIMES
{
<MISSING CODE>
Which of the following can be used to replace <MISSING CODE> so that the figure is drawn correctly?

An application program interface (API) provides a procedure Max, which returns the greater of its two integer arguments. A programmer would like to find the greatest of three integer values , , and . Which of the following
expressions will produce the desired result in every case?

A program contains the following procedures for string manipulation.
Which of the following expressions can be used to generate the string "Happy" ?