GeeksforGeeks » Operating Systems
A GATE 2011 question about OS
(8 posts)-
A thread is usually defined as a ‘light weight process’ because an operating system (OS) maintains smaller data structures for a thread than for a process. In relation to this, which of the followings is TRUE?
(A) On per-thread basis, the OS maintains only CPU register state
(B) The OS does not maintain a separate stack for each thread
(C) On per-thread basis, the OS does not maintain virtual memory state
(D) On per thread basis, the OS maintains only scheduling and accounting information -
A
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Ans a).
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A
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B ) is the answer
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can some one explain?
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If we talk about windows OS , thread has CPU register ,thread stack and thread kernel object for maintaining statistical data.Please correct if i am wrong.
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answer is c, os does maintain virtual memory state too, b cant be answer for this
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