What is a sprint task list

a list of steps to take in logical order to solve a problem

What is problem decomposition?

program where you break the problem into smaller parts

steps needed to be completed to finish an application

A data type consisting of letters, characters, and numbers

a data type consisting of true or false values

What is an event in an mobile application

desired to occur in an application

What is computer program?

lists of those instructions, one instruction after another

What is an event handler in an mobile application?

executes a set of prog. instructions before a certain event

What does the mutator button do?

Change any statement that contains mutator button. if-then,

What is an AI Companion

Any android device capable of handling the AI software

What are the six steps to the Program Development Life cycle

Analyze, Plan a solution, Design, Code, Test/Debug, maintain

What does an accelerometer do on a mobile device

Detects when the tablet is shaken & tilted forward, left/RT

program is converted into a runtime consisting of 1's & 0's

What does tokenize mean

Parse letters of string into individual tiles

Download your App from the MIT App Inventor2 program by selecting:

Projects > Export selected project (.AIA) to my computer.

Download/Package the Android app for deployment by selecting:

Build>App (save .APK to my computer)

What is a double or float?

a data type consisting of decimal numerical values.

How is a single color represented in a digital image

The indiv pix at each indiv location is given a RGB Value

In general how do computers work

follows one instruction at a time

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A #ComputerScience and #Appinventor review

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Questions 44

Answers

1
What would the logical code blocks be to the program a sprite to move down?
x=x-10
x=x+10
y=y+10
y=y-10
2
Which AI component would best provide a touch-sensitive surface where you can draw?
Screen
Surface
Canvas
Button
3
What is a sprint task list
steps in random order that help you think about a problem
list of steps to take in to solve a problem
a list of sprints that athletes need to perform in a workout
a list of steps to take in logical order to solve a problem
4
What would the logical code blocks be to program a sprite to move left?
y=y-10
x=x+10
x=x-10
y=y+10
5
if you set a timer interval to 100, how many times per second will the timer fire?
1
1000
100
10
6
RGB() methods can produce how many colors on a computer screen?
256
765
16,777,216
16
7
What is problem decomposition?
program where you break the problem into smaller parts
program where you solve the problem
program where you analyze the problem
program where you plan a solution to the problem
8
What is the proper notation for the 8 bits in binary code
1,2,3,4,5,6,7,8
64,32,16,8,4,2,0
2,4,8,16,32,64,128,256
128,64,32,16,8,4,2,1
9
What is a backlog
steps that have already been completed in the application
steps needed to execute in a short period of time
steps needed to be completed to finish an application
steps that were just executed today
10
What is a string?
A data type consisting of letters only
A data type consisting of letters, characters, and numbers
a data type consisting of non-numeric symbols.
a data type consisting of letters & characters only.
11
How many quadrants are in the coordinate plane of a canvas in a computer program/
2
3
4
1
12
The AI2 handles all of the following types of sound files, EXCEPT
flac
ogg
wav
mp3
13
What is boolean
a data type consisting of nondecimal numerical values
a data type consisting of true or false values
a data type consisting of 1's and 0's
a data type consisting of decimal numerical values
14
What is an event in an mobile application
occurs automatically in an application
desired to occur in an application
can not occur in an application
always running in an application
15
What is computer program?
lists of those instructions, one instruction after another
arrays of instructions, one instruction after another
paragraphs of instructions, one instructions after another
groups of instructions, one instruction after another
16
What is an event handler in an mobile application?
executes a set of prog. instructions before a certain event
executes set of instructions when an event happens
prevents an error from occuring
something that appears when code is unable to work
17
What is an integer
consisting of 1's and 0's
decimal numerical values
non-decimal numeric values
letter, characters, special characters and numbers
18
What does the mutator button do?
changes the form of the screen
Change any statement that contains mutator button. if-then,
change the block view to designer view
change the form of the button
19
What is an AI Companion
any android, windows, or apple device
any mobile device
Any android device capable of handling the AI software
any student collaborating with you on your project
20
if you needed a program to remember the score of your game, which code blocks should you use?
global variable
label
text box
if - then statement
21
How can you connect to the AI2 companion?
blue tooth
six-letter passcode to connect
both a and b
QR code
22
What college or university developed the AI software?
MIT
Yale
Columbia
Harvard
23
If a program has to make a decision & select between two events, which statement should you use
if-then
do while
when
if-then-else
24
What are the six steps to the Program Development Life cycle
Plan a solution, Analyze, Design, Code, Test/Debug, maintain
Analyze, Plan a solution, Design, Code, Test/Debug, maintain
Design, Analyze, Plan a solution, Code, Test/Debug, maintain
Analyze, Plan a solution, Design, Test/Debug, code, maintain
25
What does concatenate mean?
Cut off letters at the beginning and ending of a string
Tokenize out letters in a string
Find letters in a string
Join letters of a string
26
What is the correct notation for the RGB color generator
RBG (0-255, 0-255, 0 - 255)
RGB (0-255, 0-255, 0 - 255)
RGB (256, 256, 256)
RGB (1-256,1- 256, 1-256)
27
What does an accelerometer do on a mobile device
Detects the mobile device location and speed.
Measures the acceleration of your mobile device
Detects when the tablet is shaken & tilted forward, left/RT
measures the angle of your mobile device
28
what is binary code
program is converted into a runtime consisting of on and off
a rendered version of encoded text and images
program is converted into a runtime consisting of 1's & 0's
a data type consisting of either on or off
29
If a program has to make a decision and select between multiple events, use which statement
do while
if -then
if-then-else
when
30
What does tokenize mean
Parse letters of string into individual tiles
Join letters in a string
Cut of letters at the beginning and ending of a string
Find letters in a string
31
what are the two different view in AI?
designer, blocks
GUI, blocks
GUI, Code
blocks, code
32
if you want a player to move on a canvas, which app component would you use for the player?
image sprite
sprite
image
picture
33
500 milleseconds is how many seconds
50
.5
5
1/5
34
Download your App from the MIT App Inventor2 program by selecting:
Projects > Export selected project (.AIA) to my computer.
Projects >Save selected project (.AIA) to my computer.
Projects > import selected project (.AIA) to my computer.
Projects > Save as selected project (.AIA) to my computer.
35
Download/Package the Android app for deployment by selecting:
Import project (.aia) from my computer
Download > App (save . APK to my computer)
Build>App (save .APK to my computer)
Construct > App (save .APK to my computer)
36
What is the firs and most important step in the program development life cycle?
Code
Analyze the problem
Plan a solution
Design
37
What is 87 converted into binary code
01111111
01010111
10101011
01010101
38
What is a double or float?
a data type consisting of non-decimal numerical values
a data type made of letters, characters, spec. characters
a data type consisting of 1's and 0's
a data type consisting of decimal numerical values.
39
What does URL stand for
Uniform Resource Locator
I don't know
unidentified region language
uniform Reserve Location
40
How is a single color represented in a digital image
The group of pixels are given a location have RGB Values
The individual pix is given color based Binary Source code
The indiv pix at each indiv location is given a RGB Value
The group of pix are given a location and RGB Color Value
41
When you view a web page you are really viewing a rendered version of the encoded text called:
source code
XML code
Byte Code
binary code
42
In general how do computers work
follows one instruction at a time
can follow millions of instructions at a time
can follow multiple instructions
can follow multiple instructions at one time
43
Which is the best name for a label that is used to display the home team score?
cnvHomeScore
txbHomescore
haHomeScore
lblHomeScore
44
What are the correct notations for the 8 edges of a canvas?
2,4,6,8, -2,-4,-6,-8
N, NE, E, SE, S, SW, W, NW
1,2,3,4,5,6,7,8
1,2,3,4,-1,-2,-3,-4

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