operating system set 2 Detailed Explanation And More Example

Question : 1

In shared memory multi processor

a) Computer communicate to each other by fixed paths

b) Computer communicates to each other via a shared memory.

c) Each processing element is a self contained computer.

d) None of these.

Question : 2

Match the following pairs A. Logical address (1) An actual location in main memory B. Relative address (2) An address is expressed as a location relative to some known point. C. Physical address (3) A memory location independent of the current assignment of data to

a) A - 3, B - 2, C - 1

b) A - 2, B - 1, C - 3

c) A - 3, B - 1, C - 2

d) A - 1, B - 2, C - 3

Question : 3

The transfer time in disk scheduling is

a) Proportional to rotation speed.

b) Inversely proportional to rotation speed.

c) Equal to rotation speed.

d) None of these.

Question : 4

In round robin (time slicing) policy applied on uni processor scheduling

a) When interrupt occurs, the currently running process is placed in ready queue, and next ready job is selected in First come First serve basis.

b) When interrupt occurs, the currently running process is placed in ready queue and next ready job is selected in random order.

c) No interruption is entertained.

d) None of these.

Question : 5

In Layered operating system following statement is false

a) Most or all the layers execute in kernel mode.

b) Interaction only takes place between adjacent layers.

c) Functions are organized hierarchically.

d) None of these.

Question : 6

In file management, the pile

a) The collection of data in order which they arrive.

b) A fixed format used for records.

c) Records keep with some key sequence.

d) None of these.