CSIM Semester Exam REVIEW

Front

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 3-D animations and movies using computers.
- Developing science experiments on a computer.

Back

Designing and using computational applications and systems.

Front

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.

Back

The system is interactive with its environment.

Front

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

Back

Drawers

Front

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

Back

3,2

Front

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

Back

To isolate errors in the outcomes of code.

Front

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

Back

Comments describe the code, logic, and desired outcome.

Front

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

Back

To have others interact with the system and provide feedback.

Front

A 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 program does this?

Back

Front

Which of the following is an analog sensor that can be used to turn on lights when it gets dark and turn the lights off when it becomes bright? Photocell resistor, LED, Flex sensor, Accelerometer

Back

Photocell resistor

Front

What are the roles of pair programmers called?

Back

Navigators and Drivers