Unit 1 Computational Thinker Assessment

What can a computer store?

• Only text files

• Only images

• Various types of files including apps, images, music, and location data

• Only music files

Answer explanation

A computer can store various types of files, not limited to just text, images, or music. It can also store applications and location data, making the correct choice "Various types of files including apps, images, music, and location data."

(a)   are types of files you save on your computer or phone.

• Documents and spreadsheets

• Photos and videos

• Music and audio files

• All of the above

Answer explanation

The correct answer is 'All of the above' because documents, spreadsheets, photos, videos, music, and audio files are all common types of files that can be saved on computers or phones.

Match the following statements with their corresponding actions or capabilities.

• Ability to process and analyze large datasets.

• Both computers and humans can measure data.

• Inability to independently determine outcomes.

• Human action is required for decision-making.

• Choosing a course of action based on values and ethics.

• Neither computers nor humans can make decisions.

• Capability to evaluate numerical information.

• Computers can measure or compare data.

What data would an air quality app need to collect daily?

• Temperature and humidity levels

• Air pollutant concentrations

• Wind speed and direction

• All of the above

Answer explanation

An air quality app needs to collect temperature, humidity, air pollutant concentrations, and wind speed/direction daily to provide comprehensive data on air quality. Therefore, the correct answer is 'All of the above'.

The app could save air quality records by (a)  

• Using cloud storage

• Storing data locally

• Combining local and cloud storage

• Not storing any data

Answer explanation

Combining local and cloud storage allows the app to efficiently save air quality records by utilizing the benefits of both methods, ensuring data is accessible and secure while also allowing for offline access.

What is the first step the students should focus on for their block party?

• Prepare

• Define

• Try

• Reflect

Answer explanation

The first step students should focus on is to 'Define' the purpose and goals of their block party. This sets a clear direction for planning and ensures everyone is on the same page.

Which step is not part of the block party planning process: Define, Prepare, Try, Reflect, Host the party?

• Define

• Prepare

• Try

• Reflect

• Host the party

Answer explanation

The step 'Host the party' is not part of the planning process. The planning steps include defining the event, preparing for it, trying out ideas, and reflecting on the outcomes, but hosting is the execution phase.

After the party, what went well? What could they do better next time?

• The party was well-organized, but they could improve on time management.

• The party was poorly attended, but they could improve on marketing.

• The party had great food, but they could improve on entertainment.

• The party was too long, but they could improve on scheduling.

Answer explanation

The correct choice highlights that the party was well-organized, indicating effective planning. However, it suggests that time management could be improved, which is crucial for enhancing the overall experience next time.

Match the following steps with their descriptions.

• Understanding the issue that needs to be addressed

• Researching solutions

• Putting the chosen solution into action

• Identifying the problem

• Assessing the effectiveness of the solution

• Evaluating the results

• Gathering information on possible ways to solve the issue

• Implementing the solution

What happens during the Processing & Output stage in computer processes?

• Data is inputted into the system.

• The system processes data and produces results.

• The system shuts down.

• Data is stored for future use.

Answer explanation

During the Processing & Output stage, the system processes the input data and produces results. This is the key function of this stage, distinguishing it from data input, storage, or system shutdown.