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PLTW IM Review
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Preguntas del test (20)
1Which of the following activities describes the field of computer science?
- ADesigning fonts, images, and colors for a website
- BDesigning and using computational applications and systems
- CCreating three-dimensional animations and movies using computers
- DDeveloping science experiments on a computer
2Which of the following is required for a physical computing system?
- AThe device looks nice for users
- BThe system can be connected to the internet
- CThe components are waterproof
- DThe system is interactive with its environment
3Which of the following is an advantage of algorithmic thinking? Select all that apply.
- AEasier to understand
- BLess complex
- CWritten as a flowchart or natural language
- DAll of the above
4 In the Microsoft MakeCode environment, what are the blocks of code grouped in?
- ADrawers
- BMenus
- CTabs
- DFolders
5Use the image below to answer the question.
What coordinates would be used to light the LED in the grid position shown above?
- A3,2
- B4,3
- C3,4
- D2,3
6When creating a program, how does the use of comments help a computer scientist debug later problems?
- AComments show where a bug is located in the code
- BComments are opinions from others about how well the code works
- CComments describe the code, logic, and desired outcome
- DComments highlight code that needs to be fixed
7Why is it important to share physical computing projects with other people?
- ATo have others identify what materials are needed for the project
- BTo have others interact with the system and provide feedback
- CTo have others copy the program and design
- DTo have others read the comments in the code
8A program should change a straight horizontal line to a smiling emoji when
The flex sensor attached to pin 0 is bent to a value of 966, and
· A user presses the A push button on the micro:bit
Which of the following programs does this?- A
- B
- C
- D
- A
9What are the roles of pair programmers called?
- AProgrammers and Writers
- BNavigators and Drivers
- CAlgorithms and Flowcharts
- DCoders and Gamers
10Which of the following is an output device?
- ABuzzer
- BPhotocell
- CPressure sensor
- DPush button
11When developing programs and creating physical computing systems, why are iterative processes used?
- AAn iterative process helps to document the work
- BAn iterative process requires testing hardware and software and making improvements
- CAn iterative process requires less work when designing and developing a project
- DAn iterative process helps to share the design and program with others
12Why are failures important in an iterative design process?
- AFailures allow us to revisit the problem and learn from what we did wrong
- BFailures allow us to revisit the design process
- CFailures allow for growth and new solutions to problems
- DAll of the above
13Why is creating elegant code helpful when programming physical computing systems?
- AIt makes the code readable and easier to understand
- BIt is easier to send code between hardware
- CIt makes a program completely free of any bugs
- DIt is impressive to look at
14The website used to emulate and code the MIcroBit is called what?
- Ahttps://classroom.microsoft.com/
- Bhttps://code.org/
- Chttp://makecode.microbit.org/
- Dhttps://www.tynker.com/
15The first step in the design process is to
- ABuild and test
- BDefine the problem
- CEvaluate
- DGenerate concepts
16 The microbit LED board can show which of the following?
- ALetters
- BSymbols
- CEmojis
- DAll of the above
17Why do we use flowcharts to plan out our algorithms?
- AThey’re easier to understand
- BThey’re flexible
- CThey’re less complex
- DAll of the above
18The definition of algorithm is
- AA very difficult math problem
- BAn allegory
- CAn ordered set of instructions that are used to carry out
- DBuilding interactive physical systems using software and hardware that can sense and respond to the analog world.
19What is an emulator?
- AA simulator that imitates a program or events
- BAn ordered set of instructions that are used to carry out
- CAn imitation of an algorithm
- DA mirror image
20When you create code you are really doing what?
- APutting letters together
- BMaking videos
- CGiving the computer a set of instructions to carry out
- DMoving things around
Información
- Descripción
- Test sobre PLTW IM Review, creado por Nicole Jones el 08/01/2018.
- Autor
- Nicole Jones
- Idioma
- English
- Visitas
- 260
- Etiquetas
- Valoración
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