CPU Scheduing FCFS, Operating System

Assignment Help:
Assume
that
P
A
, P
B
and P
C
are three
distinguished
program
s
. When
P
A
is
executed, it
needs 10 ticks to complete its execution and it forks new
processes executing P
B
at
tick
-
marks
4 and 7. Similarly,
P
B
needs 8 ticks to
complete its execution and it forks new processes executing P
C
at
tic
k
-
marks
3
and 5
; and P
C
needs 4 ticks to complete its execution and it does an I/O a
t
tick
-
mark 2
. Assume that
I/O requests will be handled in a
first
-
come
-
first
-
serve
manner and each I/O
can be completed within 4 ticks
.
Assume that
process P
1
, which is executing program P
A
arrives at t=
0

.
Draw a Gantt chart
illustrating the scheduling of these processes if a
r
ound
-
r
obin
scheduling
with
a time quantum of
3
is used.

Related Discussions:- CPU Scheduing FCFS

Explain deadlock, Explain Deadlock Every process in a set of processes ...

Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.

Difference between system calls and procedure calls, The Most comman differ...

The Most comman difference are given below System calls are heavy. While a procedure call can generally be performed in a few system instructions, a system call needs the c

Linux operation system, wat are the commands used for creating the file hie...

wat are the commands used for creating the file hierarchy

Explain bounded buffer and unbounded buffer, Explain bounded buffer and unb...

Explain bounded buffer and unbounded buffer. Here in a producer-consumer problem the producer process produces information that is consumed by a consumer process. At this time

Define state that process must obtain all resources it needs, Before procee...

Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait

Define the turn-around time of a user job, Define the “turn-around” time of...

Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.

Explain message passing among systems, Q. Explain Message passing among sys...

Q. Explain Message passing among systems? Communications- Message passing among systems requires messages to be turned into packets of information and sent to the network contr

Memory management, with aid of diagram describe 2 types of fixed partition ...

with aid of diagram describe 2 types of fixed partition allocation used in operating system

Explain swapping technique used in pre-3bsd unix systems?, What are the dis...

What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient

Communications technique - application interaction protocols, Define the Co...

Define the Communications Techniques - Application interaction protocols    Communications techniques are well defined. They give developer the programmatic mechanism to transf

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd