Operating System (System Software) | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Sch

Operating System (System Software) | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Sch

1. Lecture PPT (12 slides, deep purple palette)
   Title → Learning Objectives → Why OS? (6-card grid) → OS Management Tasks (6 panels) → Worked Example: Process Scheduling (FCFS vs SJF table) → Why Utility Software? → 8 Types of Utility Software → Worked Example: RLE Compression → Program Libraries (6 benefits) → DLL: Static vs Dynamic → Practice Questions → Summary

2. Worksheet (45 marks, 4 sections)
   Section A: Why OS (definitions, reasons, problems without OS) · Section B: OS tasks table, scheduling calculation, virtual memory · Section C: Utility software table, RLE encoding · Section D: Libraries, 4 benefits list, static vs DLL comparison, extended evaluation question

3. Class Activity (3 tasks, ~65 mins)

Activity 1: OS Layers Matching — 8 actions matched to 6 management categories
Activity 2: Utility Software Prioritise & Justify — charity scenario ranking debate
Activity 3: Static vs DLL Investigation — RAM calculation, patching, embedded systems decision

1. MCQ Quiz (20 questions, 25 mins) — covers all learning objectives

2. Answers & Marking Scheme — full point-by-point mark scheme for all 45 worksheet marks, MCQ answer key, and teacher debrief notes for all 3 activities