Match a Component to Its Responsibility
Match the stated responsibility to the component that provides it in the model.
About 18 minutes, plus any extended practice
Open lesson 1Explain a Computing System as Connected Parts
A pretend request has 2 seconds of starting delay and transfers 18 MB at 3 MB/s. Estimate total wait and explain what an unexplained blank display can establish.
Before you begin
- Multiply/divide whole numbers and distinguish saved from temporary data.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Calculate a Simple Transfer Budget
Divide the stated data amount by its constant rate using matching data units.
About 18 minutes, plus any extended practice
Open lesson 2Distinguish Waiting Time from Transfer Time
Add the starting delay to the stated transfer time to estimate total wait.
About 18 minutes, plus any extended practice
Open lesson 3Locate a Failure Using Component Evidence
Use the stated diagnostic evidence to identify the confirmed component, keeping other causes unresolved when not tested.
About 18 minutes, plus any extended practice
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.
Topic references
- 2026 CSTA PK–12 Computer Science Standards: topic reference — Systems & Security
These references informed the topic selection. They do not certify complete standards alignment.