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Lesson 1 of 9

Technology Education & Computer Skills

Read the overview in
English overview

Start with the digital divide, essential computer parts, safe device handling, and the practical technology skills that support communication, learning, and earning.

8:14 lectureBeginner12 video chapters30 flashcards + 30 questions
Official Binary Tree uploadSenegal Digital Literacy and Digital Entrepreneurship Week 1Published 2026-08-07 · embedded with chapters, checkpoints, deep notes, and a project

Four clear stages

Learn → Project → Check → Finish

Watch and work through the lecture
  1. 1LearnWatch and work through the lectureUse the chapter notebook and answer each video checkpoint.Do this now
  2. 2ProjectDemonstrate a complete computer systemPlan it, create it, then prove it meets the definition of done.Next
  3. 3CheckAnswer all 30 questionsCorrect weak spots using the explanation after each answer.Next
  4. 4FinishMark the lesson completeThen move to Understanding a User’s Mind.Next
Course outlineSenegal Digital Entrepreneurship

Interactive lecture

Watch, pause, think, apply.

Connect digital literacy to real opportunity, operate core computer tools confidently, and turn experience into a clear first résumé.

0:003 thinking points marked8:14

Numbered markers show where the video will pause. Seeking past one opens the first unanswered check.

Connecting to the lecture…Open on YouTube ↗

Chapter-by-chapter lecture notebook

Everything in the video, organized for learning

Week 1 joins access, basic operations, research, productivity, and professional communication so every tool has a practical reason to learn it.

Source reviewed8:14 lectureReviewed against the public lecture and its English captions; automatic-caption wording was checked against the lesson context.
12

video chapters mapped into notes, examples, and a concrete action.

This is a detailed learning companion reconstructed from the reviewed lecture—not a verbatim transcript.
01
0:00 in the lectureProgram orientation
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
02
0:26 in the lectureBinary Tree’s mission
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
03
1:17 in the lectureA practical creator pathway
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
04
1:46 in the lectureWhy technology education matters
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
05
2:49 in the lectureThe digital divide
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
06
3:20 in the lectureSkills and employability
What the video is teaching

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

What to noticeAgency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Do this before continuing

List one barrier in your context and one classroom design choice that reduces it.

Replay this chapter on YouTube ↗
07
3:57 in the lectureKeyboard and mouse
What the video is teaching

Keyboard, mouse or touchpad, windows, folders, filenames, and shortcuts form a basic control system. Precision comes from knowing the result you expect before acting.

Use descriptive filenames, recognize file extensions, save to a known folder, and distinguish copy from move and delete from undo or recovery.

What to noticeFile name

`Amina_Resume_2026-08.pdf` is easier to identify than `document-final-new.pdf`.

Do this before continuing

Create a project folder, save two clearly named files, move one into a subfolder, and locate it with search.

Replay this chapter on YouTube ↗
08
4:31 in the lectureFiles and shortcuts
What the video is teaching

Keyboard, mouse or touchpad, windows, folders, filenames, and shortcuts form a basic control system. Precision comes from knowing the result you expect before acting.

Use descriptive filenames, recognize file extensions, save to a known folder, and distinguish copy from move and delete from undo or recovery.

What to noticeFile name

`Amina_Resume_2026-08.pdf` is easier to identify than `document-final-new.pdf`.

Do this before continuing

Create a project folder, save two clearly named files, move one into a subfolder, and locate it with search.

Replay this chapter on YouTube ↗
09
5:03 in the lectureBrowsers and search
What the video is teaching

A browser retrieves web resources; a search engine helps discover them. Refine queries with specific nouns, dates, places, and source types, then inspect author, evidence, currency, and purpose.

Documents organize explanation; spreadsheets organize repeated records and calculations. A formula should reference cells so results update when inputs change.

What to noticeSource check

For a registration rule, compare the current government or institution page with at least one independent, reputable explanation.

Do this before continuing

Find one official opportunity, record its deadline and source, then place three cost items in a Sheet and total them.

Replay this chapter on YouTube ↗
10
5:34 in the lectureDocuments
What the video is teaching

A browser retrieves web resources; a search engine helps discover them. Refine queries with specific nouns, dates, places, and source types, then inspect author, evidence, currency, and purpose.

Documents organize explanation; spreadsheets organize repeated records and calculations. A formula should reference cells so results update when inputs change.

What to noticeSource check

For a registration rule, compare the current government or institution page with at least one independent, reputable explanation.

Do this before continuing

Find one official opportunity, record its deadline and source, then place three cost items in a Sheet and total them.

Replay this chapter on YouTube ↗
11
6:09 in the lectureSheets, formulas, and charts
What the video is teaching

A browser retrieves web resources; a search engine helps discover them. Refine queries with specific nouns, dates, places, and source types, then inspect author, evidence, currency, and purpose.

Documents organize explanation; spreadsheets organize repeated records and calculations. A formula should reference cells so results update when inputs change.

What to noticeSource check

For a registration rule, compare the current government or institution page with at least one independent, reputable explanation.

Do this before continuing

Find one official opportunity, record its deadline and source, then place three cost items in a Sheet and total them.

Replay this chapter on YouTube ↗
12
6:39 in the lectureRésumé purpose and structure
What the video is teaching

Start with contact information, a targeted summary, education, experience or projects, and relevant skills. Use action verbs and scope to make school, volunteer, and entrepreneurial work legible.

A résumé is a living document. Tailor emphasis for the opportunity and proofread every date, name, link, and claim.

What to noticeEvidence bullet

“Designed three Canva posters used to recruit 45 workshop participants” connects action, output, and result.

Do this before continuing

Draft one résumé section and ask a partner to underline the action and circle the evidence.

Replay this chapter on YouTube ↗

Deep explanations

The ideas behind each chapter

Use these sections when the video moves quickly or you need another example.

010:26

Move from access to agency

Binary Tree’s mission is not fulfilled when a device is merely present. Learners need repeated practice, relevant problems, feedback, and a route from consumption to creation.

The digital divide includes hardware, connectivity, electricity, language, accessibility, confidence, safety, and the ability to convert skills into education or income.

Agency test

Watching a spreadsheet demo is exposure; building and checking a real budget is agency.

Try it now

List one barrier in your context and one classroom design choice that reduces it.

023:57

Operate the computer deliberately

Keyboard, mouse or touchpad, windows, folders, filenames, and shortcuts form a basic control system. Precision comes from knowing the result you expect before acting.

Use descriptive filenames, recognize file extensions, save to a known folder, and distinguish copy from move and delete from undo or recovery.

File name

`Amina_Resume_2026-08.pdf` is easier to identify than `document-final-new.pdf`.

Try it now

Create a project folder, save two clearly named files, move one into a subfolder, and locate it with search.

035:03

Research and create with browser tools

A browser retrieves web resources; a search engine helps discover them. Refine queries with specific nouns, dates, places, and source types, then inspect author, evidence, currency, and purpose.

Documents organize explanation; spreadsheets organize repeated records and calculations. A formula should reference cells so results update when inputs change.

Source check

For a registration rule, compare the current government or institution page with at least one independent, reputable explanation.

Try it now

Find one official opportunity, record its deadline and source, then place three cost items in a Sheet and total them.

046:39

Build a first résumé from evidence

Start with contact information, a targeted summary, education, experience or projects, and relevant skills. Use action verbs and scope to make school, volunteer, and entrepreneurial work legible.

A résumé is a living document. Tailor emphasis for the opportunity and proofread every date, name, link, and claim.

Evidence bullet

“Designed three Canva posters used to recruit 45 workshop participants” connects action, output, and result.

Try it now

Draft one résumé section and ask a partner to underline the action and circle the evidence.

Language of the lesson

Know these ideas

Digital literacy
The ability to use digital tools critically, safely, and productively.
Digital divide
Unequal access to technology, connectivity, skills, support, and opportunity.
File extension
The suffix indicating a file’s format, such as .pdf or .xlsx.
Browser
Software that retrieves and displays web resources.
Search engine
A service indexing information and returning results for queries.
Formula
A spreadsheet expression calculating from cell values.

Reason like a practitioner

Misconceptions to correct

  • Owning a phone removes the digital divide.Meaningful access also requires connectivity, capability, safety, and useful opportunity.
  • The first search result is the best source.Evaluate authority, evidence, currency, and fit.
  • A résumé needs paid employment.Projects, school leadership, service, and ventures can provide strong evidence.
Transfer challenge

Create an opportunity folder containing a source-checked listing, a simple cost sheet, and a tailored résumé draft. Explain how each artifact helps a real decision.

Lesson project · Hands-on demonstration

Demonstrate a complete computer system

A labeled input-process-storage-output map plus a safe startup, use, and shutdown demonstration.

0%0 of 3 checks
1
Project phase 1

Plan the work

State the goal, audience or user, and the evidence a strong result needs. Explain how Digital divide changes your plan.

2
Project phase 2

Create the deliverable

In pairs, point to each available computer component and explain its input, processing, storage, or output role. Finish by demonstrating a safe startup and shutdown.

3
Project phase 3

Prove and improve

Use Technology education and Computer system to check the result. Record one piece of evidence, one correction, and one improvement you would make next.

Offline referenceRead the independent walkthrough and practice notes

Why this lesson matters

Start with the digital divide, essential computer parts, safe device handling, and the practical technology skills that support communication, learning, and earning.

The goal is not to memorize vocabulary. By the end of the lesson, you should be able to use the ideas in a realistic situation, explain the reason for your choices, and check whether the result actually works for the intended person or task.

Learning objectives

  • Explain Digital divide in your own words.
  • Apply Technology education to a realistic classroom or community example.
  • Connect Digital divide with Computer system when making a decision.
  • Complete the practice task and reflect on one improvement.

Core ideas

1. Digital divide

The gap in access to devices, connectivity, and skills that prevents some communities from benefiting fully from technology.

In practice: Look for this idea while you complete the lesson task. Pause before each major step and explain how Digital divide changes what you choose, create, or check.

2. Technology education

Learning to use, understand, and create with digital tools so people become confident problem-solvers rather than passive users.

In practice: Look for this idea while you complete the lesson task. Pause before each major step and explain how Technology education changes what you choose, create, or check.

3. Computer system

A combination of input devices, processing, storage, output devices, and software working together to complete tasks.

In practice: Look for this idea while you complete the lesson task. Pause before each major step and explain how Computer system changes what you choose, create, or check.

How the ideas connect

Start with Digital divide to understand the foundation of the lesson. Use Technology education to turn that understanding into an action. Then apply Computer system to check the quality, safety, or usefulness of the result. The three ideas are strongest when you can explain their relationship rather than treating them as separate definitions.

Guided walkthrough

  1. Name the goal. In one sentence, write what you are trying to understand, create, or improve.
  2. Make a prediction. Before touching a device, use Digital divide and Technology education to predict what a strong result should look like.
  3. Complete the task. In pairs, point to each available computer component and explain its input, processing, storage, or output role. Finish by demonstrating a safe startup and shutdown.
  4. Check the outcome. Use Computer system to inspect the result. Ask what worked, what did not, and what evidence supports your judgment.
  5. Explain and revise. Tell a partner what you changed and why. Make one small improvement, then compare the new result with the first one.

Worked classroom scenario

Imagine two learners sharing one device. The first learner is the driver and performs the steps; the second is the navigator and reads the goal, predicts the next step, and checks the result. Halfway through the task, switch roles. Both learners should be able to explain how Digital divide, Technology education, and Computer system appeared in the work.

If no device is available, complete the same reasoning on paper: sketch the screen or result, label each decision, and describe what you would test when a device becomes available.

Common mistakes and fixes

  • Rushing into the tool: Write the goal and prediction first so every click or step has a reason.
  • Copying without understanding: After each major step, explain it in your own words to a partner.
  • Accepting the first result: Compare the outcome with the goal and make at least one deliberate improvement.
  • Letting one person control a shared device: Rotate driver and navigator roles so both learners think and practice.

Independent practice

In pairs, point to each available computer component and explain its input, processing, storage, or output role. Finish by demonstrating a safe startup and shutdown.

For an extra challenge, adapt the task for a different audience or community need. Write two sentences explaining what changed and which lesson idea guided your decision.

Check your understanding

  1. How would you explain Digital divide to someone new to the topic?
  2. What is one realistic example of Technology education outside this classroom?
  3. When might Computer system prevent a weak, unsafe, or confusing result?
  4. How are Digital divide and Technology education connected?
  5. What evidence would convince you that your practice result works?
  6. If you repeated the activity tomorrow, what would you improve first and why?

Key takeaway

Start with the digital divide, essential computer parts, safe device handling, and the practical technology skills that support communication, learning, and earning.

You are ready to move on when you can explain the three core ideas, complete the practice without copying, and describe one improvement using evidence from your result.