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

define system calls, When a computer is started on, the program that execu...

When a computer is started on, the program that executed first is named the ''operating system.'' It controls pretty much all applications in the computer. This adds who logs in, h

What is the purpose of system programs, What is the purpose of system progr...

What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require

What are the five major activities of an operating system, What are the fiv...

What are the five major activities of an operating system in regard to process management? The creation and deletion of both user and system processes The suspension and res

Compression regarding the file system in windows 2000, Write short note on ...

Write short note on compression regarding the file system in Windows 2000. NTFS is able to perform data compression on individual files or on all data files in a directory. To

Explain about deadlock prevention, Explain about deadlock prevention? I...

Explain about deadlock prevention? In order for the occurrence of deadlock, the four conditions like mutual exclusion, hold and wait, no pre-emption and  circular wait must hap

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 file allocation using i nodes, File allocation using I nodes. T...

File allocation using I nodes. This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers a

THREADS, advantage and dis advantage of threads

advantage and dis advantage of threads

Explain virtual file systems, Virtual file systems The file-system exec...

Virtual file systems The file-system execution having of three major layers. The first layer is the file-system interface, based on the open, read, write and close calls and fi

Prepare a short note on the standard linux file system, Problem: a) Pre...

Problem: a) Prepare a short note on the standard Linux File System. b) Prepare a short note on the RPM Package Management Tool. c) Briefly explain the two types of login

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