Duplicate of AP Computer Science Principles Review

Question 1

When talking about data security which of following is not a concern.

Accepted Answer

Overuse of data

Question 2

Which of the following is LEAST TRUE about data collected by companies about their users?

Accepted Answer

Companies must give users options about data collected.

Question 3

Relationship, flat files, and hierarchy trees are ways of organizing...

Accepted Answer

Databases

Question 4

This chart shows a clear correlation between interest in Clinton and interest in cats.

Accepted Answer

False

Question 5

"Hacking" can take many shapes, which of following is not one?

Accepted Answer

Breaking Important Hardware

Question 6

Data that can be counted or measured is called

Accepted Answer

quantitative

Question 7

A process that reverses encryption is:

Accepted Answer

Decryption

Question 8

Known as irreversible compression

Accepted Answer

Lossy Compression

Question 9

How many possibilities are there to try in a random substitution cipher?

Accepted Answer

26 X 25 X 24 X .....X 3 X 2 X 1

Question 10

Which of the following is NOT a benefit of using analog data collections?

Accepted Answer

It is faster

Question 11

A process of encoding messages to keep them secret is:

Accepted Answer

Encryption

Question 12

What is the "key" to decrypting a message that was encrypted using a Caesar Cipher?

Accepted Answer

The number of characters to shift each letter.

Question 13

The access to tech affects online poll results; which of the following does it influence least?

Accepted Answer

Results of door-to-door political polling

Question 14

Data that describes other data. (i.e: the size of the image, number of colors, or resolution)

Accepted Answer

metadata

Question 15

Define the term: tradeoff (select multiple answers)

Accepted Answer

an exchange, a giving up of one thing in return for another, balance achieved btwn 2 desirable but incompatible features, a compromise

Question 16

The history of computer processing speeds doubling every two years is known as:

Accepted Answer

Moore's Law

Question 17

An analytical database is used to...

Accepted Answer

Taking in information and making predictions

Question 18

Problem solving approach to find satisfactory solution when an exact solution is impossible

Accepted Answer

heuristic

Question 19

Filtering and cleaning large data sets can be aided by computational tools

Accepted Answer

True

Question 20

In a simulation of how students move between classes, which attribute is least relevant?

Accepted Answer

Student grades

Questions 20