How many types of os are there?
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What is GUI?
What is 2 tier and 3 tier?
Do you know what is a binary semaphore? What is its use?
How does reference counting manage memory allocated objects?
Which are the necessary conditions to achieve a deadlock?
Is vmware an operating system?
What replaced ifconfig?
Measurements of a certain system have shown that the average process runs for a time T before blocking on I/O. A process switch requires a time S, which is effectively wasted (overhead). The CPU’s efficiency is the fraction of its time its spends executing user programs, i.e., executing user processes. For round robin scheduling with quantum Q, give a formula for the CPU efficiency for each of the following: (a) Q = ∞ (b) Q > S + T (c) S <Q<S + T (d) Q = S
What does a 64 bit processor mean?
Is atomic thread safe?
What are the different phases of software development?
In general what is paging? and segmaentation?