operating system set 1 Detailed Explanation And More Example

Question : 1

A set or resource allocations such that the system can allocate resources to each process in some order, and still avoids a deadlock is called

a) unsafe state

b) safe state

c) starvation

d) greedy allocation

Question : 2

Data from and to magnetic disk is transformed in

a) Continuation

b) Blocks

c) Block and Continuation both

d) None of these.

Question : 3

In system buffer cache, used in UNIX, following not true

a) It is a disk cache

b) It is not a disk cache

c) Data transfer between buffer cache and user process space always occurs using DMA.

d) I/O operations with disk are handled through buffer code.

Question : 4

The most efficient data set organization is

a) a sequential file

b) an ISAM file

c) variable depending upon the usage of the data set

d) a partitioned data set

Question : 5

Producer consumer problem can be solved using

a) Semaphores

b) Event counters

c) Monitors

d) All of the above

Question : 6

The deterministic operating system

a) Where operations are performed with in pre-determined time interval.

b) Where operations can be performed with out pre-determined time interval.

c) The operating time can not be determined.

d) None of these.