AP CSP Final

Which of the following can be used to combine two strings to create a new string?

• concatenation
• algorithm
• conditional
• variable

Which of the following is TRUE about routers? 

• One "root" router is responsible for communication to all "sub-routers"
• Routers act independently
• A path is established before the message is sent

What is the number 45 as a binary number?

• 10011111
• 00001100
• 00101101
• 10101010

The binary number 01000001 represents the letter "A" in ASCII, which of the following represents the letter "B"

• 01000011 
• 01000010 
• 00100001 
• 01000001 

extremely large data sets that may be analyzed computationally to reveal patterns, trends, and associations, especially relating to human behavior and interactions.

• "Digital Divide"
• Algorithm
• GeoCaching
• "Big Data"

an economic and social inequality with regard to access to, use of, or impact of information and communication technologies.

• "Digital Divide"
• Algorithm
• GeoCaching
• "Big Data"

Consider the following code:

var a = 0

var b = 2

var c = 6

a = a+b

b=a+c

c=a+b

What are the values of a, b, and c after this code segment has been run?

• a= 0 b=2 c=6

• a=2 b=6 c=2

• a=2 b=2 c=8

• a= 2 b=8 c=10

You are writing a reply function for a text messaging app. You want to swap the sender and receiver so that the value currently in From ends up as the value in To and To ends up in From. Which code segments will correctly swap the values?

• to = from

  from = to

• from = var temp

  to = temp

  from = to

• var temp = from

  from = to

  to = from

• var temp = from

  from = to

  to = temp

Consider the code segment:

var dist = 100

var radius = dist/20

penDown();

for(var i=0; i<4; i++){

moveForward(dist);

dot(radius);

turnRight(90);}

What image would this code produce?

• A triangle with 3 medium dots

• A square with 4 extremely large dots

• A square with 4 medium dots

• A triangle with 4 extremely large dots

What is the output to the console after the following code segment is run?

var x = 10;

increase();

x = x+3;

console.log(x);

function increase(){

var x =5}

• 5

• 8

• 10

• 13

• Error. Cannot make a new variable x inside function increase()