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FCFS(First Come First Serve) CPU Scheduling Algorithm with example | Operating System 

Jenny's Lectures CS IT
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In this video. FCFS(First Come First Serve) CPU Scheduling algorithm has been discussed with a solved example. I have also explained how to find Response Time, Completion Time, average Waiting time and average turn around time.
CPU Scheduling Criteria and various Times related to a Process:
• CPU Scheduling Criteri...
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29 сен 2024

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Комментарии : 390   
@chinthamsrisaketh201
@chinthamsrisaketh201 Год назад
I have never seen this type of explanation in any of the videos your the best one Even if I keep it at 1.5 speed I can understand it clearly.
@asadijaz1457
@asadijaz1457 3 месяца назад
you should watch gate smasher
@gajala_from_washingtonDC
@gajala_from_washingtonDC 4 месяца назад
Who came 1 day before your rxam 💀😂
@scofficial1276
@scofficial1276 4 месяца назад
Bhai 2 ghanta baki hai sirf
@abhaybb
@abhaybb 4 месяца назад
On Morning 😂
@steward8097
@steward8097 3 месяца назад
Me
@BalanK-tz5sy
@BalanK-tz5sy 3 месяца назад
@@abhaybb before 5min
@oseagwinaexcellence2266
@oseagwinaexcellence2266 3 месяца назад
Me😂😂
@YaletiPavanReddy1233
@YaletiPavanReddy1233 3 года назад
I learned the Complete DS with help of your videos only mam__great teaching
@hussainshaik6639
@hussainshaik6639 3 года назад
It is os na
@alifaizan596
@alifaizan596 2 года назад
BRO ITS OPERATING SYSTEM OS NOT DS DS MEAN DATA STRUCTURE
@sastaengineer3038
@sastaengineer3038 Год назад
Aur log kehte hai Accha package nhi milta....
@ALEXGAMER-zy3xv
@ALEXGAMER-zy3xv Год назад
@@alifaizan596 iss madam ne ds ki bare main bhi padya hai.. Wo banda uski liyey bol raha hai
@nathanict.developers
@nathanict.developers Год назад
😂
@shortvideocreator3310
@shortvideocreator3310 3 года назад
Mam your teaching skills is oosam as well as your communication skills Thank you very much for simple explanation on this topic I understand this topic very well with the help of this video
@DianaMbae
@DianaMbae Год назад
Thanks for the wonderful teaching,you've made it really easy to understand.Keep up with the good job and may God bless you so much
@noorfatima7422
@noorfatima7422 4 года назад
Love from 🇵🇰 keep it up 👍. Teacher is a blessing of GOD.
@pratikhivare9472
@pratikhivare9472 3 года назад
Same from 🇮🇳
@sanam2472
@sanam2472 3 года назад
agreed so great!!!
@PraveenKumar-ye1mm
@PraveenKumar-ye1mm Год назад
I learned complete DS with help of your classes mam
@PraveenKumar-ye1mm
@PraveenKumar-ye1mm Год назад
Now learning os too
@jamesobelly4198
@jamesobelly4198 6 месяцев назад
Awesome teacher❤ Much respect directly from Tanzania
@sireeshajangam1561
@sireeshajangam1561 3 года назад
Ur way of teaching is very inspiring and excellent mam
@ghoriketan6163
@ghoriketan6163 4 года назад
You are just mind-blowing
@PreetiSunar-b7c
@PreetiSunar-b7c 6 месяцев назад
Tons of love from nepal❤🇳🇵.....keep it up madam
@abhishekak8597
@abhishekak8597 4 месяца назад
Thankyou ma'am 🙏🙏 you teach in excellent way💯💯
@zaisingh4761
@zaisingh4761 4 года назад
Love it when you say funda
@GurjantSingh-bg1bh
@GurjantSingh-bg1bh 3 года назад
ਬਹੁਤ ਬਹੁਤ ਸ਼ੁਕਰੀਆ ਜੀ
@shivambhardwaj3415
@shivambhardwaj3415 3 года назад
mam your lecture video helps me a lot for my collage exams thank you so much mam
@shashikantalaikhuram3096
@shashikantalaikhuram3096 2 года назад
thanks a lot madam your explaination is easy to understand
@somagorai5052
@somagorai5052 Год назад
Thank you so much Jenny ma'am
@danushs9558
@danushs9558 4 года назад
Thank you so much mam it is very clever and easy to understand,you are the best
@kK-hw2xw
@kK-hw2xw 2 года назад
Your teaching Better than my mam
@MahirRashid-ih1nz
@MahirRashid-ih1nz 4 месяца назад
Thank you Madam😊, Can you implement the Algorithm FCFS using C++ or C please?
@-Abdulrasheed
@-Abdulrasheed 3 года назад
Excellent Ma'am
@juhiajwani4170
@juhiajwani4170 4 года назад
Maam i really love your explanations and teaching style but u seem a little less energetic in this series. I really hope if something is not good then it all will get well soon. Wish to see u comeback with the same energy and brighter smile on your face. Take care maam.
@prabhas8085
@prabhas8085 Год назад
Love you 😘
@seven7977
@seven7977 3 года назад
That was easy and simple thanks👍❤
@tarunprakash1587
@tarunprakash1587 4 года назад
thank's mam ,I have easy to understand that concept also thank you very much
@prashantgiri4924
@prashantgiri4924 3 года назад
Thank You and good explanations
@ThomasShellby-b7x
@ThomasShellby-b7x Год назад
U teaching nyz mam i like u personally and love u mam
@blitziq
@blitziq Год назад
To calculate TAT , TAT=CT - AT
@kristelchelseago5755
@kristelchelseago5755 5 лет назад
Thank you so much! :)
@ashukhansadsongdjbaghpat7702
@ashukhansadsongdjbaghpat7702 4 года назад
Hii
@ashukhansadsongdjbaghpat7702
@ashukhansadsongdjbaghpat7702 4 года назад
I am student c s
@fadingshadow165
@fadingshadow165 2 года назад
Thanks ma'am
@vikasdinesh
@vikasdinesh 5 месяцев назад
Hiii man love from forest ❤
@FarhanAli-km5id
@FarhanAli-km5id 3 года назад
Ma'am can you upload their programs in any language such c++. These programs are very important for the students who are studying the subject,"Operation System".
@pankajpateriya89
@pankajpateriya89 Год назад
//FCFS Program (CPU Scheduling Algorithm) in C #include int main() { //Initialize 2d array consisting process id, arrival time and burst time respectively of 5 process int a[5][3]={{1,2,2}, {2,0,1},{3,2,3},{4,3,5},{5,4,4}}; int temp[3]; //temp array for swapping rows in ascending order of arrival time int ct; // declare completion time varialbe ct int tat[5]; //declare turn around time array float Atat=0; //aTat will hold average turn around time int wt[5]; //declare waiting time array float Awt=0; //Awt will hold average waiting time //print 2d array consisting process id, arrival time and burst time printf("Pid AT BT "); for(int i=0;i
@crazyboy-ir8uj
@crazyboy-ir8uj 3 года назад
Mam voice so nice mam 🥰🥰🥰🥰
@abhishekanand8936
@abhishekanand8936 2 года назад
I want more explanation about first 'come first serve
@firminpungu6148
@firminpungu6148 6 месяцев назад
Thank you madam you're the best 🤩
@kamyagupta4030
@kamyagupta4030 Год назад
Thank you ❤❤❤
@progress279
@progress279 Месяц назад
thank you
@PraveenKumar-ye1mm
@PraveenKumar-ye1mm Год назад
Now learning os
@rajkumarbathini6034
@rajkumarbathini6034 Год назад
Love u మేడం 🥰
@gokaysirin
@gokaysirin Год назад
sometimes i cant understand your english but thanks for everything :)
@jatinsaini4765
@jatinsaini4765 Год назад
Mai toh bas mam ko dekhne aaya tha😅😅
@ashranpathan8630
@ashranpathan8630 2 года назад
maam half of students attent your channel for you not for studies😂
@jeesanrafeek
@jeesanrafeek 4 года назад
Tqsm ❤️❤️❤️❤️
@sou-rvthakur5910
@sou-rvthakur5910 4 года назад
Thank you mam
@manjeetyadav2194
@manjeetyadav2194 3 года назад
Thankyou mam
@iconic_star438
@iconic_star438 Год назад
Can you explain without using arrival time
@haihelloworld9272
@haihelloworld9272 2 года назад
How much burst time will be added on if there is no any processes
@Bhulakshmichukka
@Bhulakshmichukka 4 года назад
Mam can you explain machine learning topics please
@mouheart8076
@mouheart8076 4 года назад
Thank you so much 💕
@yashodhashrestha5935
@yashodhashrestha5935 3 года назад
l . k.gk
@yashodhashrestha5935
@yashodhashrestha5935 3 года назад
m
@yashodhashrestha5935
@yashodhashrestha5935 3 года назад
m
@yashodhashrestha5935
@yashodhashrestha5935 3 года назад
ff
@yashodhashrestha5935
@yashodhashrestha5935 3 года назад
m .
@rishinathrishinath1336
@rishinathrishinath1336 2 года назад
Y Mam, you 2 value in after process p2 anybody tell me
@vaissiddiqui9501
@vaissiddiqui9501 4 года назад
Waiting Time = Completion Time - Burst Time
@uraaxeecaqligaaga4890
@uraaxeecaqligaaga4890 4 года назад
Thank you maddam but the total of burst time is not as same of the process time in Gantt chart please help thanks
@ganeshgani6266
@ganeshgani6266 Месяц назад
Who is going to write exam on Tommorow 3august 2024?😅
@aruns4451
@aruns4451 6 месяцев назад
Watching this hours before. Exam: watch at 1.75x
@PremAnand-dt3sm
@PremAnand-dt3sm 4 месяца назад
Exactly 🤣
@vishnu1156
@vishnu1156 2 месяца назад
Exactly
@vishnu1156
@vishnu1156 2 месяца назад
​@@PremAnand-dt3smexactly i was just to comment it
@romulus1136
@romulus1136 3 месяца назад
Watching in 2024 for OS exam (APJ Abdul Kalam Technological University)
@rugved781
@rugved781 2 года назад
Mam,let you join in my college,we are paying lot of money for the scrap
@sangeethsathsara3697
@sangeethsathsara3697 Год назад
Thank you love from sri lanka❤️👍
@kishkishon1414
@kishkishon1414 10 месяцев назад
i from sri Lanka 👋👋
@sbpcoe9011
@sbpcoe9011 10 месяцев назад
😊
@devonarguelles559
@devonarguelles559 3 года назад
Thank you very much ma'am ☺️😍 Even though it's already 1 year have passed you still helped me ma'am. God bless.
@bjbravo7075
@bjbravo7075 6 месяцев назад
Ma'am i had learnt cpu scheduling non-preemptive in my MCA class and i came here to understand it better but Ma'am as far as my understanding i think P5 will come before P4 and to check that i went through two of the CPU Scheduling calculator and both calculator showed P5 before P4. Ma'am would you please check it and clear me ??
@yadav211
@yadav211 2 месяца назад
@@bjbravo7075 tnx brother I don't know about cpu schedule calculator your comment helped me for learning new things from you
@sadeesadesilva
@sadeesadesilva 3 года назад
Madam, Your method of explaining the content is fantastic. It was clear and easy to understand. Thank you
@perlashivaprasadyadav8993
@perlashivaprasadyadav8993 3 года назад
I am failed in exam because of you... I am just staring at you without listing. 😪😪
@sins_of_devil
@sins_of_devil 3 года назад
lmao🤣
@Holly-Bollyseries
@Holly-Bollyseries 3 года назад
Focus on study not on maam 😂😂😂
@nagaphaneendrasinguluri3013
@nagaphaneendrasinguluri3013 3 года назад
🤦🏻‍♂️goppadivi bro nuvvu
@kiranpaulalex6464
@kiranpaulalex6464 4 года назад
Ma'am, thank you so much for this wonderful explanation.. it was really easy to understand..
@ritiks.hujwant3816
@ritiks.hujwant3816 3 года назад
Thankyou mam for such a great and easy language explaination about the topic. I request you to make more videos on OS on remaining topics. Waiting for videos on remaining topics 😊...once again thank you mam
@Onion-007
@Onion-007 Год назад
Mam is so sexy na
@kennez4958
@kennez4958 6 месяцев назад
I have been taught by my lecturer this unit but i didnt get anything but with your videos am just celebrating after getting everything.
@TeacherLisah
@TeacherLisah 6 месяцев назад
I can relate
@harinadh8135
@harinadh8135 3 года назад
Mam why don't we use gap in between p1and p3 like used after p2
@mohasinkr
@mohasinkr 2 года назад
Exactly my doubt!
@manasapbl7715
@manasapbl7715 Год назад
Hello ma'am...... In question, if they didn't give the arrival time, how can we do the problem?
@flynneugene2675
@flynneugene2675 11 месяцев назад
Take arrival time as 0?
@imrahulp
@imrahulp 3 года назад
Where were you in 2017 ?? i was doing MSc in IT at that time and it was confusing for me
@yosh6458
@yosh6458 27 дней назад
والله انك عسل , ما أحسنك يا جيني 😍
@piyush8943
@piyush8943 3 года назад
🎤Plz open your mouth like crocodile🐊🐊 So we can listen easily. And eat SHILAJIT TABLE💊💊 So you get energize 🐴 And explain louder
@nehaprasad8956
@nehaprasad8956 4 года назад
What happens if 3 or more process comes to the ready set at the same time.... Which process will be given to the cpu first????
@briannzuki6800
@briannzuki6800 3 года назад
at order of the processes,, P1>>P2>>P3
@AlishaWr8s
@AlishaWr8s 6 месяцев назад
Please some lecture record in pashto language 😅😅😅
@JennyslecturesCSIT
@JennyslecturesCSIT 6 месяцев назад
🤔🙆‍♀️
@Haaaayyysh
@Haaaayyysh 3 месяца назад
One day before exam🗿
@B.E.007
@B.E.007 2 месяца назад
Same bro 🗿
@nikhil2764
@nikhil2764 24 дня назад
One hour before examination 💀
@adityajoshi9792
@adityajoshi9792 3 года назад
Mam TAT= WT + BT , then according to gannt chart p1's waiting time is 0 to 2 and burst is 2 then how come TAT 2? I'm bit confused
@sandeepvankayala5794
@sandeepvankayala5794 7 месяцев назад
S
@DavidOdoi-tq6mb
@DavidOdoi-tq6mb День назад
Who's here in 2024. This channel had helped me a lot in my CS journey. Big ❤❤❤ from Uganda🇺🇬🇺🇬🇺🇬
@janvinaik5072
@janvinaik5072 4 года назад
being a BCA graduate and now MCA student you have helped me since 2 years with me understanding concepts . Thanku so much and can also gladly say that my grades reached hieght because of you. Thankyou. continue the same.Bless us with more concepts. :)))
@priyankapaul7077
@priyankapaul7077 2 года назад
Heyy, did u help me to find out which book is best for mca entrances exam?
@janvinaik5072
@janvinaik5072 2 года назад
@@priyankapaul7077 i had taken coaching classes for pgect, that helped me to crack exams
@priyankapaul7077
@priyankapaul7077 2 года назад
@@janvinaik5072 ohhhh,thank you
@rohithvasudevan735
@rohithvasudevan735 Год назад
Parithabangal FCFS
@larrychinene7773
@larrychinene7773 3 года назад
In my class we learnt ,average waiting time is = allocation time divided by number of processes . how is yours different from mine ?
@vazeango5891
@vazeango5891 3 года назад
Average waiting time= time taken by each processes= allocation time
@vazeango5891
@vazeango5891 3 года назад
Don't forget to divide it by no. Of processes
@melchizedekminja5827
@melchizedekminja5827 2 года назад
Hello Madam Jenny We're all pleased with what you've done to us, tech industry is blessed to have you. Just one request from this playlist, the videos are in random order. It becomes a bit harder for us new student to realise which comes first after which one. So Madam will you rearrange them, put them in chronological order, for us, please. Thank you!
@anjuanjukrishna9112
@anjuanjukrishna9112 2 года назад
Hey ma'am! Here atlast we get 16 from Gantt chart, but the sum of Burst time is 15. These must be the same right?
@vishnunalubola250
@vishnunalubola250 4 года назад
Madam! i jst finished learning c programming.... to get better understanding about operating systems, can u suggest me what to be learnt? Moreover i just wanna know more about uses of learning this topic! can u please clarify these things?
@vishnunalubola250
@vishnunalubola250 4 года назад
i am counting on for ur answr madam!
@rohinibhadange8466
@rohinibhadange8466 2 года назад
Thankyou mam for such a great and easy language explaination about the topic. I request you to make more videos on OS on remaining topics. Waiting for videos on remaining topics ...once again thank you mam..
@wrightkuku8811
@wrightkuku8811 3 года назад
despite understanding very well. you people are not saying anything ABOUT HER SMILE
@jatinchauhan2200
@jatinchauhan2200 4 года назад
Aap college Mai padhao toh Mai saare lecture attend kru :-)
@MuhammadMusthak-wj6qe
@MuhammadMusthak-wj6qe 2 месяца назад
You are so beautiful
@user-sasiSarma
@user-sasiSarma 3 года назад
Can we take any values as arrival time and burst time ..... Or else take a particular one.
@aryansaxena4014
@aryansaxena4014 Год назад
Thanks Di for this video. Now I am able to understand what is FCFS, preemptive and non preemptive
@zibusisondlovu5577
@zibusisondlovu5577 2 года назад
All the way from Zimbabwe, thank you!!.. Beautiful explanation!
@nadiakhan670
@nadiakhan670 2 года назад
Thank u so much for guiding us in an easy and best method. All the best
@PingpongPoof-c3r
@PingpongPoof-c3r 4 месяца назад
Guys never waste your preparatory leave and take care of your health. Don't f# up the sleep cycle
@21_aishwaryakanagu12
@21_aishwaryakanagu12 2 года назад
One doubt mam. It's fcfs know, so for ArrivalTime 2 u need to see which is coming first rather than seeing which 2 has shortest Burst Time?
@menahilmaryam204
@menahilmaryam204 2 года назад
Thankyou mam ❤️
@achmadalghazali1738
@achmadalghazali1738 7 месяцев назад
what a content! very useful for student like me in indonesia. great job!
@mgiraharisoso9918
@mgiraharisoso9918 2 года назад
continue your goals
@davialbuquerque1880
@davialbuquerque1880 3 года назад
Great Video!! Thank you very much, Mrs.
@mohamedel-hadidy4844
@mohamedel-hadidy4844 3 года назад
thanks maam , without you and engineer Abdulbari , my life would have been much harder
@khurshidjahanlia4654
@khurshidjahanlia4654 2 года назад
mam,, mayne non preemtive and preemtive samjhi nehi,,,,, kab math solve karungi in preemtive or non preemtive method me
@mohamedibrahim7961
@mohamedibrahim7961 10 месяцев назад
Thank you from Egypt
@etzjunior_
@etzjunior_ 2 месяца назад
Feels like I’m watching the same thing over and over
@vasanthakumark8502
@vasanthakumark8502 4 года назад
Instead of spending lakhs in college I would like to invest in internet to watch ur videos in high quality...tq u saved me lot...
@shashanks318
@shashanks318 3 года назад
To watch her !!!? 🌝
@Luciferr_Morningstar
@Luciferr_Morningstar 3 месяца назад
@@shashanks318 ys
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