WorksheetsCS Discoveries Unit 1 Review
Total questions: 28
Worksheet time: 14mins
For an app, info that changes frequently (ex. User’s location) should be stored.
True
False
A constraint is
Work done by a computer to turn an input into an output
A situation that could be fixed or solved
A plan of action designed to achieve a goal
A limitation or restriction
The first step in the problem solving process is
Prepare
Define
Try
Reflect
Which is NOT part of the reflection process?
Comparing pros and cons of potential solutions
Figuring out what could be improved the next time
Comparing the result to the goals you set
Identifying new problems
Which of the following coan be BOTH an input OR an output?
Touchscreen
Headphones
Keyboard
Microphone
Storing information that stays the same over a long period of time makes an app easier to use.
True
False
In our card sorting activity, the unsourced deck represented what?
Output
Input
Processing
Algorithm
Which of the following are ways that a computer processes information?
Sorting
Counting
Matching
All of the above
A device or component that allows information to be given to a computer is ...
An output
An input
Headphones or earbuds with no microphone are a(n) _______ device.
Input
Output
Which of the following is not an input?
A mouse
A camera
A flash drive
A projector
Which of the following is not an output device?
Printer
Projector
Speakers
A barcode scanner (like in a grocery store)
During the brainstorming process when you are comparing pros and cons you are in what step?
Define
Try
Reflect
Prepare
Which of the following are benefits of peer feedback?
They may catch flaws in your logic
They might suggest constraints you
They may give you ideas for another way to solve the problem
All of the above
When you put your plan into action which step of the PSP are you in?
Reflect
Define
Prepare
Try
What is a computer? (Choose the best answer)
A machine that solves thinking problems
A machine that can solve any problem
A machine that can go on the internet
Anything that computes
What types of info does a computer generally store?
Programs or apps
Photos and images
Documents
All of the above
Which of the following are ways information is input into a computer?
Tapping on a touch screen
Clicking on a mouse
Typing on a keyboard
All of the above
Which of the following is not an example of how information is output from a computer?
A document shows up on your computer
You type on a keyboard
Music comes out of your speakers
You print out an essay
Which of the following is not an example of information being processed in a computer?
You click on an icon and a program opens
You see a picture on your screen
You speak in your phone and it turns your words into a text
Tapping a button on your phone changes it to selfie mode
A set of instructions for processes a computer can execute is called a(n)...
Ouput
Process
Algorithm
Input
Why is it important for a programmer to write an algorithm before trying it?
1.The algorithm helps make sure he doesn’t miss any steps
2.It is not important for programmers to design algorithms.
3.The algorithm may help him find errors in logic
Both 1 and 3 are correct
What can happen if a problem isn’t well-defined in the DEFINE step of the process?
You may solve the wrong problem
You might not know when you are finished
You might not know where to start
All of the above
Headphones or earbuds with a microphone are a(n) _________ device.
Input
Output
Neither answer is correct
Both answers are correct
Repeating a sequence of operations is called...
Constraining
Iteration
Repetition
Debugging
To organize 52 cards into 4 suits what is the best processing mode?
Sort
Count
Mach
Google maps most likely uses ________ to start processing directions.
Counting
Matching
Sorting
Dividing a bag of Skittles into piles of colors would be what type of process?
Matching
Sorting
Counting
