An Internet attack that causes a server to crash by making repeated requests to the same IP address:

An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation.

Which of the following is a reason to use lossy compression?

a problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible

Which of the following is irreversible?

An original file is 100 MB, it is compressed to 80 MB (including dictionary). What is its compression rate?

How many bits are needed to represent 8 colors?

How many bits are needed to represent a 3 x 3 black and white image (exclude metadata)

Consider the following three binary numbers:

01010

010000

1110

Which of the following lists the numbers in order from least to greatest?

What two numbers do we use in binary?

What base is binary in?

What color is represented by (0, 150, 0)?

What is displayed to the console log?

What gets logged to the console?

What gets logged to the console?

For which of the following lists can a binary search be used to search for an item in the list?

gathering and measuring information on targeted variables in order to answer questions and evaluate outcomes

raw data with no connections and/or relationships among data detected - usually requires large amounts of storage

the retention and retrieval of data

The main information stored is referred to:

Extra information about the main information stored is referred to:

DATA or Metadata?

Example: an image file

the width of the picture in pixels

DATA or Metadata?

Example: an image file

the geo Tag that stores where the picture was taken

Metadata can be used to organize and search for images.

Which of the following has the greatest potential for compromising a user's personal privacy?

Which of the following is least likely to indicate a phishing attack?

______ encryption is a method of encryption involving one key for both encryption and decryption

In public key cryptography, the sender uses the recipient's public key to encrypt a message. Which of the following is needed to decrypt the message?

What is the most common way computer viruses are spread?

What is the "key" to a Caesar Cipher that someone needs to know (or discover) to decrypt the message?

How can financial transactions safely occur on the Internet?

Assume that the two variables age and day have been initialized with the values shown.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

(age > 10) && (age < 20)

Assume that the two variables age and day have been initialized as shown below.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

!(age > 10)

Assume that the two variables age and day have been initialized as shown below.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

!((age == 16) && !(day == "Monday"))

Assume that the two variables age and day have been initialized as shown below.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

((age == 16) && (day == "Monday")) || (day == "Tuesday")

Assume that the two variables age and day have been initialized as shown below.

var age = 16;

var day = "Monday";

Determine if the following statement evaluates to true or false.

((age > 10) && ((age + 5) > 20))

What are smart buildings and smart transportation, along with other sensors to help people, considered?

What is an example of sharing images and allowing individuals to scan them for certain features?

What is the name for programming code that is available to anyone to use or modify?

People trading personal information for perks from companies is an example of what

Determining the credibility of online sources requires evaluating what credentials?

A business's website tracks items that are viewed by visitors to its site. Which question cannot be answered by tracking this data?

What will the following algorithm display?
a  $$\leftarrow$$   13
b  $$\leftarrow$$   17
a  $$\leftarrow$$   a + 1
c  $$\leftarrow$$   a/7
DISPLAY(c)
DISPLAY(a)
DISPLAY(b)

What will the following algorithm display?

a ← 11

a ← a + 35

a ← a + 6

a ← a MOD 2

a ← a x b

DISPLAY (a)

What will the following display?

a ← "Milk"

a ← "Cookies Soda"

a ← "Chips"

b ← a + "put them in a bag so they stay crisp"

What is the value displayed after the program is run?
a  $$\leftarrow$$  8
b  $$\leftarrow$$  3
c  $$\leftarrow$$  2
a  $$\leftarrow$$  b * c
c  $$\leftarrow$$  c+4
display "a"
display (c)

What will the following algorithm display?
a  $$\leftarrow$$  26 MOD 2

What will the following algorithm display?

a ←26 MOD 3

b ←7 MOD a

display (b)

What is the percentage that this algorithm displays true?

DISPLAY(random(5,9) = 6)

What is the percentage that this algorithm displays true?
DISPLAY(RANDOM(5,9) $$\le$$   9)

ASCII is a character-encoding scheme that uses a numeric value to represent each character. For example, the uppercase letter “G” is represented by the decimal (base 10) value 71. A partial list of characters and their corresponding ASCII values are shown in the table above.

ASCII characters can also be represented by binary numbers. According to ASCII character encoding, which of the following letters is represented by the binary (base 2) number 1010100?