operating system set 1 Detailed Explanation And More Example

Question : 1

Which types of file organization are supported by magnetic tape?

a) random files

b) contiguous sequential file

c) indexed sequential file

d) all of the above

Question : 2

The following operating system writes through catches?

a) UNIX

b) DOS

c) ULTRIX

d) XENIX

Question : 3

RAID-O does not support the following characteristics:

A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive.

B: Data distributed across the physical drives of an array.

C: Redemdant disk capacity is used to store parity information, which guarantees data recoverability in case of a disk failure.

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• A: RAID is a set of physical disk drives viewed by the operating system as a single logical drive"/>

a) A and B

b) A only

c) B only

d) C only

Question : 4

In file management, the primary interface of computer system with external environment is done through

a) Device drivers

b) Basic file system

c) Basic I/O supervisor

d) Logical I/O.

Question : 5

The resident set of process is

a) A process that are actually in main memory at anytime.

b) A process that are actually in virtual memory at any time.

c) A process that are actually in disk.

d) None of these.

Question : 6

A critical section is a program segment

a) which should run in a certain specified amount of time

b) which avoids deadlocks

c) where shared resources are accessed

d) which must be enclosed by a pair of semaphore operations.