PLTW ~ CSIM ~ Lesson 1 Exam

Which of the following is an advantage of algorithmic thinking?

• Easier to understand

• Increases flexibility

• Less complex

• Written as a flowchart or natural language

• All of the Above

Which of the following is required for a physical computing system?

• The device looks nice for users

• The system can be connected to the internet

• The components are waterproof

• The system is interactive with its environment

Which of the following activities describes the field of computer science?

• Designing fonts, images, and colors for a website.

• Designing and using computational applications and systems.

• Creating three-dimensional animations and movies using computers.

• Developing science experiments on a computer.

In the Microsoft MakeCode environment, what are the blocks of code grouped in?

• Drawers

• Menus

• Tabs

• Folders

Why is it important to share physical computing projects with other people?

• To have others identify what materials are needed for the project.

• To have others interact with the system and provide feedback.

• To have others copy the program and design.

• To have others read the comments in the code.

What is an example that shows hows changing technology has impacted the way people communicate?

• Then,

  Now,

• Then,

  Now,

• Then, messages were sent via telegraph using Morse Code.

  Now, people text across the globe using smartphones.

• All of the Above

When creating a program, how does the use of comments help a computer scientist debug later problems?

• Comments show where a bug is located in the code

• Comments describe the code, logic, and desired outcome.

• Comments are opinions from others about how well the code works

• Comments highlight code that needs to be fixed.

When code tracing, why is it important to iteratively test parts of the program?

• To isolate errors in the outcomes of code

• To flowchart the program's logic

• To fix algorithms

• To change patterns in the code

What coordinates would be used to light the LED in the grid position shown above?

• 1,2

• 1,3

• 2,1

• 2,3

What is one step you have to make sure you do to connect your Microbit to your Chromebook?

• Unplug the Microbit

• Pair the Microbit

• Shake the microbit

• None of the above