1. PowerPoint Presentation (PPT)
A PowerPoint Presentation is the most common digital presentation technique used in academic, corporate, and professional settings.

Steps to Prepare:
- Plan content – Outline objectives, key points, and supporting data.
- Create slides – Use MS PowerPoint, Google Slides, or Keynote.
- Design principles:
- Limit text (use bullet points).
- Add visuals (charts, graphs, images).
- Use consistent font and color scheme.
- Practice delivery – Rehearse with a time limit.
Tips:
- Keep slides clear (6×6 rule: max 6 points per slide, 6 words per point).
- Use animations only where necessary.
- Support slides with verbal explanation, not just reading text.
Applications: Classroom teaching, project defense, business meetings, conferences.
2. Technical Notice / Circular / Memo
A Technical Notice (or Circular/Memo) is a written form of presentation used to inform, instruct, or alert individuals within an organization.
Structure:
- Heading – NOTICE / CIRCULAR
- Date – At the top right/left corner.
- Subject line – Clear and precise (e.g., “System Maintenance Scheduled”).
- Body – Concise information: What, When, Where, Why.
- Signature/Authority – Issued by the responsible person.
Features:
- Short and formal.
- Direct, clear, and factual.
- Uses simple, technical, or official language.
Applications: Announcing a seminar, informing staff about safety rules, new technical procedures, exam schedules, or lab instructions.
3. Poster Presentation
A Poster Presentation is a visual summary of research/project displayed on a board.
Steps to Prepare:
- Title (bold, clear, visible).
- Abstract / Objective.
- Methodology (figures, flowcharts).
- Results (graphs, tables).
- Conclusion & References.
Tips:
- Use more visuals, less text.
- Design with large fonts for readability.
- Arrange sections in a logical flow (left → right, top → bottom).
Applications: Academic conferences, science exhibitions, research fairs.
4. Oral / Seminar Presentation
This is a spoken presentation supported by notes or slides.
Steps to Prepare:
- Research the topic thoroughly.
- Prepare an outline (Introduction – Main Content – Conclusion).
- Use PPT/notes as visual aid.
- Rehearse speech (tone, speed, clarity).
Tips:
- Maintain eye contact with audience.
- Use gestures and voice modulation.
- Anticipate possible questions.
Applications: Academic seminars, project defense, guest lectures, conference talks.
5. Report-based Presentation
Here, the written report is the main mode of communication, supported by executive summaries, charts, or infographics.
Structure:
- Title Page
- Executive Summary
- Introduction
- Data/Findings (with tables, figures)
- Conclusion & Recommendations
Applications: Technical/Business reports, project documentation, annual reports.
✅ Summary:
- PowerPoint → Visual + verbal, effective for lectures.
- Technical Notice → Written, short, formal, for instructions/announcements.
- Poster → Visual-heavy, research highlights, for conferences.
- Oral/Seminar → Direct spoken communication.
- Report → Detailed written communication with structured data.
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