Q. The multiuser operating system, 20 requests are made to use a particular resource per hour, on an average the probability that no request are made in 45 minutes is

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Q. The maximum amount of information that is available in one portion of the disk access arm for a removal disk pack (without further movement of the arm with multiple heads)

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Q. A file organization component VSAM file is

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Q. A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as

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Q. How many states can a process be in ?

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Q. Virtual memory is

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Q. Optical storage is a

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Q. WINDOWS is a …………… operating.

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Q. Page making process from main memory to disk is called

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Q. A Dead-lock in an Operating System is

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Q. Match the following:

Set-I
(a) Disk scheduling
(b) Batch processing
(c) Time sharing
(d) Interrupt processing

Set-II
1. Round-robin
2. SCAN
3. LIFO
4. FIFO

Codes :
    (a) (b) (c) (d)

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Q. ………….. synchronizes critical resources to prevent dead lock.

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Q. …………….. is one of pre-emptive scheduling algorithm.

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Q. In order to allow only one process to enter its critical section, binary semaphore are initialized to

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Q. Remote Computing Service involves the use of time sharing and …………..

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Q. Applications-software

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Q. At any given time Parallel Virtual Machine (PVM) has ……………. send buffer and …………… receive buffer.

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Q. In the process management Round-robin method is essentially the pre-emptive version of …………

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Q. A page fault

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Q. A semaphore count of negative n means (s = –n) that the queue contains ………….. waiting processes.

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