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Operating System
161 posts
An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language.
How does the operating system handle memory fragmentation issues
I still remember the first time I saw a system with 4 GB of free RAM refuse to…
How does the operating system manage main memory for running processes
Every time you double-click an application icon, an enormous amount of coordination happens behind the scenes before you…
Discuss the concept of address binding in the context of main memory
When I first learned about address binding, it felt like one of those topics that’s more theoretical than…
What is the key idea behind deadlock avoidance strategies
Deadlocks have a reputation for being scary, and honestly, the first time I traced a hung production service…
Discuss the advantages and disadvantages of the wait-die and wound-wait schemes
Timestamp-based deadlock prevention schemes always struck me as an elegant solution to a messy problem. Rather than requiring…
Explain the Banker’s algorithm and how it prevents deadlocks
The Banker’s Algorithm is one of those computer science concepts that comes with a genuinely helpful real-world analogy…
Explain the concept of a safe state in the context of deadlock handling
There’s a specific moment in learning about deadlocks where things click, and for me it was understanding that…
What is resource allocation graph, and how is it used to represent deadlocks
Some concepts in computer science are easier to grasp visually than through pure text, and deadlocks are a…
Describe the difference between a deadlock and a livelock
I once watched two processes in a system I was debugging appear to be working, CPU usage was…
Explain the four necessary conditions for a deadlock to occur
Every deadlock, no matter how complicated the system it happens in, whether it’s a database with thousands of…