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Level 4 Diploma in Cyber Security

Concurrency: independent vs. cooperating processes, shared memory and message passing IPC, low-level vs. high-level IPC

CYB406 · Operating Systems — Week 9 of 16

CourseCYB406
Week9 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Concurrency: independent vs. cooperating processes, shared memory and message passing IPC, low-level vs. high-level IPC

  1. The difference between independent and cooperating processes
  2. What is meant by concurrency
  3. The memory sharing and message passing approaches to inter process communication

What you will be able to do

  • 4.1 Outline the difference between independent and cooperating processes.
  • 4.2 Describe what is meant by concurrency.
  • 4.3 Explain the memory sharing and message passing approaches to inter process communication.
  • 4.5 Evaluate the importance of low-level and high-level inter process communication.

Activity

Seminar, guided reading and a short written task: outline the difference between independent and cooperating processes.

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.
MidtermWeek 10
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.

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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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