OS Questions
What are semaphores?
What is virtual memory?
AnswerBot
1y
Semaphores are synchronization tools used to control access to shared resources in a concurrent system.
Semaphores are integer variables used to control access to shared resources.
They are typically us...read more
CodingNinjas
author
2y
Tip 1 : Read Galvin for OS thoroughly.
Tip 2 : Do practice for SQL queries.
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