efperatice of

b$.$ Local arel

$($c$.$ IThuruthe al

Star

Which layer of the TCP$/$IP stack comcyonds to the OSI model transport layer?

Host to host

Application

finfertsel

Network Accoss

$10.$ Bloctooih is an example of

$($A$)$ Wide ares network

$($B$)$ Virtual private network

Ch real area network

$($D$)$ Perional arca networt

$11.$ When does page faulioceur?

The page is present in memory.

b$.$ The deadlock occurs:

The page is not present in memory.

d$.$ The buffering occurs.

$12.$ Who provides the interface to access the services of the operating system?

$-$a$.$ API

b$.$ System call

c$.$ Library

d Assembly instruction

$13.$ Which of the followin: is an example of a Real Timc Operating System?

D$.$ MS$-$DOS

c$.$ Windows $10$

d$.$ Process Control

$14.$ Which program runs first after booting the computer and loading the GUI?

a$.$ Desktop Manager

b$.$ File Manager

c$.$ Windows Explorer

d$.$ Authentication

$15.$ What is the use of directory structure in the operating system?

a$.$ The directory structure is used to solve the problem of the network connection in OS$.$

$-$b$.$ It is used to store foiders and files hierarchically.

c$.$ It is used to store the program in file format.

d$.$ All of the these

$16.$ What type of memory stores data in a swap file on a hard drive?

a$.$ Secondary memory

$-b.$ Virtual memory

c$.$ Low memory

d$.$ RAM

$17.$ Which method is the best among file allocation methods?

a$.$ Linked

b$.$ Contiguous

c$.$ Indexed

d$.$ None of the these

$18.$ Which of the following scheduling reduces process flow time?