Computer Science Post-test

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

• Create three-dimensional animations using computers

• Developing science experiments on a computer

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

• The system can be connected to the Internet

• The system is interactive with its environment

• The components are waterproof

• The device looks nice for users

Which of the following is an advantage of algorithmic thinking?

• Increases flexibility

• Written as a flowchart or natural language

• Easier to understand

• All of these

In the Microsoft Makecode environment, blocks of code are found in:

• Drawers

• Menus

• Tabs

• Folders

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

• To fix algorithms

• To flowchart the programs logic

• To isolate errors in the outcomes of code

• To change patterns in the code

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

• Comments show where a bug is located in the code

• Comments are opinions from others about how the code works

• Comments describe the code, logic, and desired outcome

• Comments highlight code that needs to be fixed

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

• To have others identify what materials are needed

• 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

Which of the following is an analog sensor that can be used to turn off lights when its dark?

• photocell resistor

• LED

• flex sensor

• accelerometer

What are the roles of pair programmers called?

• programmers and writers

• navigators and drivers

• algorithms and flowcharts

• coders and gamers

Which of the following is an output device?

• buzzer

• photocell resistor

• pressure sensor

• push button