CSP F Exam

True/False

A Boolean expression is an expression that evaluates to which of the of the following? *

Benjamin Franklin was born 141 years before Benjamin Franklin, so he was never able to telephone his neighbors.

A programmer wrote an essay for his history class, and realized he has confused the names of Benjamin Franklin and Alexander Graham Bell. Instead of going through the whole paper and changing the names, he used the following incorrect algorithm in an attempt replace every occurrence of "Benjamin Franklin" with "Alexander Graham Bell" and vise versa: First, change all occurrences of "Benjamin Franklin" to "apple" Then, change all occurrences of "apple" to "Alexander Graham Bell". Then, change all occurrences of "Alexander Graham Bell" to "Benjamin Franklin". Here is an example of one of the sentences from the paper: Alexander Graham Bell was born 141 years before Benjamin Franklin, so he was never able to telephone his neighbors. Which of the following is the result of running the described incorrect algorithm on the sentence above? *

(temperature == 0) || (temperature > 32) & (temperature < 0) || (temperature > 32)

Assume that a variable temperature is assigned like this: var temperature = 30; Choose the two (2) Boolean expressions that evaluate to FALSE. *

(day == "Saturday") || (day == "Sunday")

Consider the JavaScript code segment below. Which statement should be used in place of <missing code> such that the alarm is set to 9:00 am on weekends, and 6:30 am on weekdays. *

square with small dots.

Consider the code segment below: Which of the following images is the most likely outcome of the drawing?

There is no value of time that will result in "Good Morning" being displayed

Consider the following JavaScript code segment. Something is wrong with the logic in the program above. For which values of time will the greeting "Good Morning" be displayed? *

10

Consider the following flow chart showing a process for program execution. Given that a = 5, and b = 10, what will be displayed by the program? *

Line 3 & 4

Consider the following incorrect program, which is intended to move the robot around the perimeter of a grid, as indicated by the drawing below. The starting position and direction of the robot is indicated in the diagram. Given the options below, which lines should be removed so the program will work as intended?

You Passed!

Consider the following segment given in pseudo code (see reference from previous question): What will be displayed if grade is set to 70? *

Loop

For this scenario related to turtle drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task: Drawing a 100 tiny dots in a line. *

Function

For this scenario related to turtle drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task: Drawing a circle of any size at any point on the screen. *

Loop

For this scenario related to turtle drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task: Drawing a hexagon (six-sided shape) *

Function

For this scenario related to turtle drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task: Drawing out the letters of a word "HELLO" *

cartTotal = cartTotal +1;

Jasmine is writing a shopping app. She has created a variable to keep track of the number of items in the shopping cart. Every time someone clicks the "addItemButton", she would like the variable to increase by 1. What code should Jasmine insert where it says <missing code> in order for her app to work? *

var temp = from; from = to: to = temp;

Jose is writing a reply function for a text messaging app. He'd like to swap the sender and receiver so that the value currently in variable From ends up as the value in To and To ends up in From. Which of the following code segments will correctly swap the values as described? *

Ambiguities in natural language necessitate the creation of programming languages for controlling a computer & Compared to the number of words in a natural language the number of defined words in a programming language

Programming languages have some similarities and differences to the "natural" language you use in everyday speech. Select the two true statements about programming languages. *

5 squares shape of flower

The next two questions use a robot in a grid of squares. The robot is represented as a triangle, which is initially facing up, towards the top of the grid. The robot is moved according to the following instructions. Which of the following images shows the path and ending location of the robot that will result from executing the code above. The starting location of the robot is shown as dotted triangle for cases where the robot does not start and end at the same location. *

Add after line 3: numItems = numItems - 1;

Tiffany is writing a program to help manage a bake sale. She writes the following code which prompts the user to enter the total number of items a person is buying and then a loop repeatedly prompts for the cost of each item. She wrote the code but there is a problem: it runs in an infinite loop. How can Tiffany change her code so it doesn't loop forever?

stairs going up to left

What is a possible output when the following code segment executes? The ending position of the turtle is shown in each diagram. The starting position is shown as a white triangle in cases where the turtle starts and ends in different locations. * (var turn=0)

value is: 4

What is displayed by the console.log statement after the following code segment executes? * ( a=3, b=6, c=10; )

A function name should be as descriptive as possible to indicate what the function does

What is one important naming conventions of functions? *

You are old enough to be President!

What is the expected output of the given pseudo code segment? A reference for the pseudo code can be found immediately below the question * (old for president one)

The program will run without error but will not draw anything

What is the most likely outcome of running the code shown here ( function draw star)

5hello

What is the output of the following JavaScript code segment? * (var num=5; var str=hello; var result=num + str.)

13

What is the output to the console after the following code segment is executed? * (1 var x=10; 2increase() 3 x =x+3)

Error. Unknown Identifier: x

What is the output to the console after the following code segment is executed? * ( 1 fivemore)

2

What value will be displayed after the loop has executed? * ( a=5 , a>=3 ; a = a-1; console.log a)

5

What will be displayed as a result of the code below executing? * ( a=5, while a<5-a=a-1

Infinite Loop

What will be displayed as a result of the javascript code below executing? ( a=0, while a!=5)

Programmers can use functions created by their partners, relying on the functionality without needing to know the specific details of how the function is implemented

When programmers work together, what is an example of how abstraction in programming can promote collaboration?

console.log("Hello! \nHow are you?");

Which of the following JavaScript statements will result in the following output being displayed to the console? *

Display the value of variables at various points during the program. & Ask a friend or collaborator to look over the code segment to see if they are able to find any errors.

Which of the following are actions a programmer could take when debugging a segment of code that would most likely lead to finding a problem and fixing it? (choose two)

There are 14 visible turns, one with rectangles

Which of the following images represents the most likely output produced by the code segment given below?

An element with a unique ID must always have an event handler associated with it.

Which of the following is FALSE about element IDs? *

Event-driven programs do not implement algorithms

Which of the following is FALSE about event-driven programs? *

Functions cannot make calls to other functions within the same program

Which of the following is NOT true about functions in programming? *

While loops run as long as a given boolean condition is true.

Which of the following is true about while loops in JavaScript? *

Strings with numerical digits in them are invalid.

Which of the following statements about strings in JavaScript is FALSE? *

drawStar();

Which of the following will call the function drawStar? *

Two functions in a single program can have different names but contain identical code

Which one of the following statements about functions is TRUE *

Parameters allow for more flexible, generalized behaviors in functions

Why are parameters useful when programming? *

a. 4 b. 8 c. 8

a=0 b=3 c=4 ; a=a+c ; b=a+c ; c=a+c