Section A $(20$ Marks$)$ Write down the Letter correpponding io the correct answer.

Which of the following statement is correct about fregmentation?

a$.$ It is software that connects the OS$.$

$-$t: It is part of the softwere.

c$.$ Slows down the computer

d$.$ All of the these

The PCB to identiffed th

a$.$ Reat$-$Number

Binary Number

Store block

Integer Process IP

$3$ y misenting is the hecie of

b$)$ larger memay sized sy steris

c$)$ multipmecessor vystems

d$)$ none of the mentioned

The portion of the process scheduler in an operating system that dispatches processes is concerned with

a$)$ assigning ready processes to waiting queue

b$)$ assigning running processes to blocked queue

c$)$ assigning ready processes to CPU

d$)$ all of the mentioncd

The FCFS algorithm is particularly troublesome for

i$)$ operating systems

b$)$ mulfiprocessor syutemt

c$)$ time dharing systems

d$)$ multiprogramning systems

For ar effective operating system, when to check for deadlock?

a$)$ every lime a recource requeet te made at fixcd time intervals

b$)$ at fixed time intervals

$-)$ every time a resource request is made

d$)$ none of the mentioned

A deadlock avoidance algorithm dynamically cxamines tha $$ to cnsure that a circular wait conditian cim never cxist:

a$)$ operating system

b$)$ resources

c$)$ system storage state

resource allocation state