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Level 4 Diploma in Cyber Security

Memory management: logical vs. physical address spaces, allocation and fragmentation, paging and page tables, swapping and virtual memory, static and dynamic loading and linking

CYB406 · Operating Systems — Week 4 of 16

CourseCYB406
Week4 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Memory management: logical vs. physical address spaces, allocation and fragmentation, paging and page tables, swapping and virtual memory, static and dynamic loading and linking

  1. Different approaches to memory management
  2. The role of virtual (swap) memory
  3. The role of paging in allowing for non-contiguous memory allocation

What you will be able to do

  • 2.2 Describe different approaches to memory management.
  • 2.4 Explain the role of virtual (swap) memory.
  • 2.5 Explain the role of paging in allowing for non-contiguous memory allocation.
  • 2.6 Analyse the difference between fixed and dynamic loading and linking strategies.

Activity

Seminar, guided reading and a short written task: describe different approaches to memory management.

Study materials

The teaching notes, exercises and videos of this week are in the student portal. Your portal is set up as soon as you receive final acceptance, so you can open them before the semester starts.
Week 3Week 5
Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

Open this week in the portal
Course plan
  • Week 1: Why we need operating systems: from mainframes to today's d…
  • Week 2: What an operating system does: managing the CPU, memory, fi…
  • Week 3: OS architectures: monolithic, layered, microkernel and hybr…
  • Week 4: Memory management: logical vs. physical address spaces, all…
  • Week 5: Device drivers and file systems: files, folders and permiss…
  • Week 6: Processes and threads; process states and attributes; the p…
  • Week 7: Process management: creation, scheduling algorithms (FCFS, …
  • Midterm: Midterm evaluation
  • Week 9: Concurrency: independent vs. cooperating processes, shared …
  • Week 10: Pitfalls of concurrency: deadlock and race conditions, dete…
  • Week 11: Kernel programming lab: loadable kernel modules, system cal…
  • Week 12: Applying Operating Systems in practice: case studies
  • Week 13: Assignment workshop: research, planning and referencing
  • Week 14: Assignment workshop: drafting, feedback and improvement
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
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