System Software | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Scheme

System Software | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Scheme

1 · Core Lecture
Cover, Learning Objectives, OS purposes, Resource maximisation (4-card layout), UI & abstraction, Process states diagram, PCB & context switching, Scheduling table (FCFS/RR/Priority/SJF), Virtual Memory, Paging diagram, Segmentation, Section dividers, Interpreter vs Compiler, Compilation stages (5 steps), Worked lexical analysis, BNF notation & symbols, BNF arithmetic grammar with derivation, Syntax diagrams, RPN intro + examples, RPN full 9-step walkthrough, Practice questions, Summary slide

2 · Worksheet
21 graded questions (1–6 marks each) across OS, Memory, Compilers, BNF & RPN — Name/Class/Date/Score header on each

3 · Activity
Cover + 5 activities: CPU Scheduling Simulation (groups), Memory Card Sort (pairs), Compilation Stage Ordering (individual), BNF Grammar Writing (pairs), RPN Human Stack Game (class)

4 · Marking Scheme
Full model answers for all 21 questions, mark-per-point breakdown, examiner guidance — Teacher Use Only labelled

5 · MCQ Quiz
12 questions with A–D options (correct answer highlighted green), progress bar, score band guide