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CS703 Assignment 3 Solution and Discussion

CS703 - Advanced Operating Systems

zareen Cyberian's Gold last edited by

CS703 – Advanced Operating Systems

Due Date: 22-1-2020

Assignment 3

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The purpose of assignments is to give you hands on practice. It is expected that students will solve the assignments themselves. Following rules will apply during the evaluation of assignment.

• Cheating from any source will result in zero marks in the assignment.
• Any student found cheating in any two of the assignments submitted will be awarded “F” grade in the course.
• No assignment after due date will be accepted.

Question 1: Total Points (25)

There are four memory blocks partitions B1, B2, B3 and B4 in a system having sizes
{100, 500, 200, 300, and 600} and there are four processes P1, P2, P3 and P4 having following sizes {212, 417, 112, 426};
Arrange the above given process using Best Fit Algorithm. Show diagrammatically the allocation of processes in the memory blocks

Question 2: Total Points (10)

Write down the functionality of the given UNIX system commands.

Commands Functionality

netstat

time

ps

uptime

vmstat

gprof

prof

top

chgrp

touch

Question 3: Total Points (10+10=20)
Read the paper titled “A Study of Real-time Memory Management: Evaluating
Operating System’s Performance”
”, and answer the following questions:
(a) Write the brief summary of the given paper.
(b) Write a short note on the memory allocators working Linux, Mac and Windows operating systems discussed in the mentioned paper.
Note: Research paper is available in the zip folder.
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Commands	Functionality
netstat
time
ps
uptime
vmstat
gprof
prof
top
chgrp
touch

SOLVED MCM501 Assignment 1 Solution and Discussion
MCM501 - Advertising for Print and Electronic Media • mcm501 assignment 1 solution discussion fall 2019 • • zareen

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Sample Solution:
Different steps have followed while preparing advertisements. Keeping in view the strategies and steps you are required to design one advertisement campaign of any Clothing Brand and In this regard, you have to answer the following mentioned questions/steps.
Briefing:
Female clothing Brand title “In Style Clothing” It is ready to wear cloths especially for the working women.
Objective:
Its main objective is to facilitate the working women and also to retain the goodwill
Research:
Provided content and information must be well researched and have novelty in it.
Target Audience:
Working women
Media Selection:
Fashion films on brands outlets and social media campaigning.
Setting the Budget
It must be highly budgeted.
Designing and Creating the Ad
In this part of question the creativity of the advertisement will be judged.
Place and Time of Ad
It also depends when the advertisement will get the more attention and audience.
Execution:
In this portion provide all that steps and details which involve in the accomplishment of this ad.
SOLVED CS703 Assignment 2 Solution and Discussion
CS703 - Advanced Operating Systems • cs703 assignment 2 solution discussion fall 2019 • • zareen

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@zareen said in CS703 Assignment 2 Solution and Discussion:

Question 1: Total Points (10)
Consider performance of FCFS algorithm for three computer-bound processes. If process P1 takes 25 seconds, P2 takes 4 seconds and P3 takes 5 seconds and processes arrive in the given order P1, P2, P3. You need to calculate the following:
a) Turnaround Time per process.
b) Average Turnaround time of processes

Ideas Solution Example
Scheduling Algorithms
The following subsections will explain several common scheduling strategies, looking at only a single CPU burst each for a small number of processes. Obviously real systems have to deal with a lot more simultaneous processes executing their CPU-I/O burst cycles.
6.3.1 First-Come First-Serve Scheduling, FCFS

FCFS is very simple - Just a FIFO queue, like customers waiting in line at the bank or the post office or at a copying machine.
Unfortunately, however, FCFS can yield some very long average wait times, particularly if the first process to get there takes a long time. For example, consider the following three processes:
Process Burst Time P1 24 P2 3 P3 3
In the first Gantt chart below, process P1 arrives first. The average waiting time for the three processes is ( 0 + 24 + 27 ) / 3 = 17.0 ms.
In the second Gantt chart below, the same three processes have an average wait time of ( 0 + 3 + 6 ) / 3 = 3.0 ms. The total run time for the three bursts is the same, but in the second case two of the three finish much quicker, and the other process is only delayed by a short amount.
8b22675b-ab0c-43e8-b79b-c0981fd55469-image.png
8954e572-dbbd-4b40-a2f6-8949dfcfebf8-image.png

FCFS can also block the system in a busy dynamic system in another way, known as the convoy effect. When one CPU intensive process blocks the CPU, a number of I/O intensive processes can get backed up behind it, leaving the I/O devices idle. When the CPU hog finally relinquishes the CPU, then the I/O processes pass through the CPU quickly, leaving the CPU idle while everyone queues up for I/O, and then the cycle repeats itself when the CPU intensive process gets back to the ready queue.
CS101 Topic-003. Search engines Discussion
CS101- Introduction to Computer • cs101 search engines discussion introduction to computing ask cyberians • • zaasmi

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@black-angel said in CS101 Topic-003. Search engines Discussion:

what is difference in between (.com) and (.org).

Dear Student,

(.com) and (.org) are called TLDs ( Top Level Domains ), these name extensions are used at the end of website URLs in order to help categorize them. (.Org) is primarily used by non-profit organizations, while (.com) is used mostly by for-profit businesses.
SOLVED MCM520 Assignment 1 Solution and Discussion
MCM520 - Contemporary Mass Media • mcm520 assignment 1 solution discussion fall 2019 • • zareen

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Q: 1: Do you think it is justified to blame internet as a
Solution:
The internet is considered as a wonderful resource for kids, whether it is online search for helping with their homework, music, social networks, games, videos and more. Most of the kids use internet for connecting with peers as well as to access entertainment and educational resources across the globe. The web opens up new open doors for learning, innovativeness and expression. Research tells us that explosive growth of digital gadgets; smartphones are transforming our kid’s lives at school and home. Their emotional and cognitive development is under a serious threat as well.
A research by UNICEF on this topic demonstrates that utilization of technology is useful for kids’ social connections, empowering them to enhance existing relations and form positive friendships through the web.
Moreover, a report by TRSFPH reveals that youngsters watching various sites or blogs about personal health actually improved their insight and comprehension about different health issues which enabled them to explain their own health problems to make better decisions.
But on the other hand, Internet is packed with “improper content.” Our child may try searching such inappropriate content accidently. In any case, it’s extremely simple to discover if the sites containing the material are not blocked.
Another possibility is to utilize a kids-friendly browser that will block such inadmissible websites for kids. Another suggestion is to place your computer or laptop near to family sitting area so everyone can watch what your child is searching.
Because once kids have more open access to the web, things get even riskier.
Now you have to be concerned about what they are seeing and reading, but also how they are interacting with others.
And then you’ll need to talk with them about now posting personally identifiable information online, learning that not everyone you meet is who they say they are, and avoiding bullying, either as the bully or the victim.

Q 2: Highlight any five major moral panics over the internet are being exposed to things that they should not be? Give your opinion and support it logically.
dangerous activity due to which children

Solution:
We urgently need a public conversation or dialogue on this serious topic in our country among key stakeholders: teachers, parents, policymakers, technology experts and young people themselves.
Gaming Disorder Extremism Cyberporn Violence Addiction Online scams Cyber bullying Privacy protection Internet Gambling Social Harms
Note: This is only a solution making ides, not a complete solution.
SOLVED CS609 Assignment No. 1 Solution and Discussion
CS609 - System Programming • assignment 1 cs609 discussion fall 2020 solution assignment • • zaasmi

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Solution://Header Files #include<stdio.H> #include<DOS.H> #include<BIOS.H> void interrupt (*oldint65)(); //To store current interrupt char far *scr=(char far* ) 0xb8000000; void interrupt newint65();//NewInt prototype void main() { oldint65 = getvect(0x65); setvect(0x65, newint65); getch(); keep(0, 1000); } void interrupt newint65() {clrscr(); *scr=8; (*scr)=0x174D; (*(scr+2))=0x1743; (*(scr+4))=0x1731; (*(scr+6))=0x1739; (*(scr+8))=0x1730; (*(scr+10))=0x1734; (*(scr+12))=0x1730; (*(scr+14))=0x1736; (*(scr+16))=0x1734; (*(scr+18))=0x1730; (*(scr+20))=0x1734; }
429e7ece-92cc-4cef-a09c-e90f8b391518-image.png
3e679fbc-5b4c-4ac1-a4c8-107d83737325-image.png
UNSOLVED CS703 Assignment 1 Solution and Discussion
CS703 - Advanced Operating Systems • cs703 assignment 1 solution discussion fall 2019 • • zareen

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mgmt614 assignment solution
MGMT614 - Supply Chain Management • solution • • ana mushtaq

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Please share questions with due date
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RTS720 Assignment 1 Solution and Discussion
RTS720 - Research Thesis • rts720 assignment 1 solution discussion spring 2020 • • moaaz

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CS703 Assignment 3 Solution and Discussion

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100% Off on Your FEE Join US! Ask Me How?

SOLVED MCM501 Assignment 1 Solution and Discussion
MCM501 - Advertising for Print and Electronic Media • mcm501 assignment 1 solution discussion fall 2019 • • zareen

SOLVED CS703 Assignment 2 Solution and Discussion
CS703 - Advanced Operating Systems • cs703 assignment 2 solution discussion fall 2019 • • zareen

CS101 Topic-003. Search engines Discussion
CS101- Introduction to Computer • cs101 search engines discussion introduction to computing ask cyberians • • zaasmi

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mgmt614 assignment solution
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RTS720 - Research Thesis • rts720 assignment 1 solution discussion spring 2020 • • moaaz