AP Computer Science Principles

Question 1

What's the largest number that can be represented in 4 bits? (binary)

Accepted Answer

15

Question 2

Where can examples of abstraction be found in?

Accepted Answer

languages, maps

Question 3

the process of abstracting also means

Accepted Answer

condensing

Question 4

How long is a millisecond?

Accepted Answer

1/1000 of a second

Question 5

advantages of cloud computing

Accepted Answer

get information anywhere that has an Internet connection, users don't have to backup their own data and information, makes it easier to share information

Question 6

Abstraction simplifies a complex phenomenon by leaving out the irrelevant aspects.

Accepted Answer

true

Question 7

What's the primary function of the CPU?

Accepted Answer

To carry out the instructions in a computer program

Question 8

A processor can execute on only one CPU

Accepted Answer

false

Question 9

Pseudocode is

Accepted Answer

easy to read

Question 10

an AND gate is an electronic component that takes two inputs, A and B, such that

Accepted Answer

the gate will be TRUE when both A and B are TRUE

Question 11

High-level language

Accepted Answer

must be translated into low-level machine languages

Question 12

Which of the following best describes the result of using 64-bit integers instead of 32?

Accepted Answer

2^32 times as many values can be represented

Question 13

What do the first 5 binary digits represent in decimal? (00000)

Accepted Answer

16,8,4,2,1

Question 14

Which of the following elements would be considered part of the user interface (UI) for an app?

Accepted Answer

A button that appears on the screen, The color of the app's background screen, An audible click that happens when the user taps the button., An error message that appears when something goes wrong.

Question 15

Which of following would cause an overflow error to occur?

Accepted Answer

Trying to represent 32 in 5 bits, Trying to represent 16 in 4 bits

Question 16

Which of the following would be considered an event on your smart phone?

Accepted Answer

The phone's location changes., The user taps on the screen., The phone's internal clock ticks, The phone receives a text message.

Question 17

An abstraction is a ____ representation that stands for some collection of individual instances

Accepted Answer

general

Question 18

Sequencing in algorithms means that each step of the algorithm is executed

Accepted Answer

in the order they are given

Question 19

In an App Inventor app, shaking the phone is a(n)

Accepted Answer

event

Question 20

Examples of software

Accepted Answer

Angry Birds, Excel

Question 21

App Inventor is a

Accepted Answer

Programming language, cloud application, Integrated Development Environment (IDE)

Question 22

The Internet

Accepted Answer

connects devices and computers around the world, is based on the Internet protocol suite, is a network of networks

Question 23

Algorithms are not

Accepted Answer

written to solve every problem

Question 24

Examples of hardware

Accepted Answer

an integrated chip

Question 25

Which Palette drawer (folder) contains the Player component?

Accepted Answer

The Media Drawer

Question 26

What is an app's icon?

Accepted Answer

Picture that appears on the device when you install the app.

Question 27

Which of the following are components?

Accepted Answer

button, player, label

Question 28

Using a fixed number of bits to represent numbers limits the range of values and problems

Accepted Answer

true

Question 29

The Internet and WWW are the Same thing

Accepted Answer

false

Question 30

Which is the best name for a button whose function is to clear another component?

Accepted Answer

ClearButton

Question 31

Two examples of abstraction in Computer Science are Data Abstraction and Procedural Abstraction

Accepted Answer

true

Question 32

Examples of cloud computing applications

Accepted Answer

Facebook, Dropbox

Question 33

The World Wide Web (WWW)

Accepted Answer

was invented by Tim Berners-Lee, is a system of interlinked hypertext documents, uses the HTTP protocol

Question 34

Examples of a computational artifact

Accepted Answer

A mobile app, A Google sites portfolio, A digital recording that mixes together two tracks of music., A spread sheet created with Microsoft excel

Question 35

What's the function of main memory?

Accepted Answer

stores data until the computer shuts off (RAM)

Question 36

A horizontal arrangement allows buttons to be placed side-by-side in the user interface

Accepted Answer

sí

AP Computer Science Principles

Questions 36

AP Computer Science Principles

Questions 36