Communication, Networks (Data transmission) | CS PPT +Worksheets +Activity + Mcq Quiz + Answers

What’s included:

1. Lecture PPT
   Title slide → Learning Objectives → Collisions definition (with visual diagram) → CSMA/CD 6-step breakdown → Worked example (timeline) → Internet vs WWW (side-by-side) → Hardware (6 cards) → IP Addresses (IPv4 vs IPv6) → URLs (anatomy + 6 benefits) → DNS (8-step flow) → Practice Questions → Summary

2. Worksheet
   4 sections (A–D) with structured short answer, table-completion, label-the-URL, and an A Level extension question on IPv4→IPv6 migration

3. Class Activity
   Activity 1: CSMA/CD Role-Play simulation (whole class, role cards included)
   Activity 2: Internet vs WWW card sort (cut-out cards + answer grid)
   Activity 3: DNS Detective — sequence 8 cards in correct order, then discuss

4. MCQ Quiz
   Covers all 7 learning objectives; multiple-choice with circles to mark

5. Answers & Marking Scheme (teacher-only)
   Point-by-point mark scheme for all 40 worksheet marks, MCQ answer key table, and activity debrief notes with expected student responses