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0708-3 Operating systems, EDA092/DIT400

Status: Avslutad
Öppen för svar: 2008-03-12 - 2008-04-06
Antal svar: 25
Procent av deltagarna som svarat: 28%
Kontaktperson: Börje Johansson»

1. Which programme are you on?

25 svarande

Chalmers, D»15 60%
Chalmers, IT»4 16%
Chalmers, Integrated Electronic Systems Design»4 16%
Chalmers, other programme/single course»1 4%
University of Gothenburg»1 4%

Genomsnitt: 1.76

- FoCAL» (Chalmers, IT)

Your own effort

2. How many hours per week did you spend on this course?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. Try to estimate the average time over the entire study period.

25 svarande

At most 15 hours/week»12 48%
Around 20 hours/week»5 20%
Around 25 hours/week»4 16%
Around 30 hours/week»4 16%
At least 35 hours/week»0 0%

Genomsnitt: 2

- Much time for the labs, not much at all other weeks.» (At most 15 hours/week)
- Lectures and labs only. The last week we studied daily.» (At most 15 hours/week)
- It"s hard to estimate as I was away for two weeks during the course.» (Around 20 hours/week)

3. How large part of the teaching offered did you attend?

25 svarande

0%»1 4%
25%»6 24%
50%»5 20%
75%»10 40%
100%»3 12%

Genomsnitt: 3.32

- or less.» (25%)
- Gick mest på föreläsningarna första veckorna.» (25%)
- Mostly studied lecture notes and excercises» (50%)
- While I was in Sweden I went to all that was available, except the C lecture.» (75%)
- Think I missed the first lecture.» (100%)

Goals and goal fulfilment

The course syllabus states the course goals in terms of learning outcomes, i.e., knowledge, skills and attitudes to be acquired by the student during the course.

4. How understandable are the course goals?

25 svarande

I have not seen/read the goals»14 56%
The goals are difficult to understand»2 8%
The goals give some guidance, but could be clearer»5 20%
The goals clearly describe what I am supposed to learn»4 16%

Genomsnitt: 1.96

- Old exams and the content of the labs usually tells you what the examiner want´,s you to have learned. » (I have not seen/read the goals)
- much due to the websites awful design.» (The goals are difficult to understand)
- A lot of focus on distributed systems and concurrency, which could be made pre-req instead.» (The goals give some guidance, but could be clearer)
- Vissa av målen verkar inte direkt uppfyllda. "The core functionality of modern operating systems." Det mesta i kursen var upp till 5 år gammalt och till viss del inte är relevant längre.» (The goals give some guidance, but could be clearer)

5. Are the goals reasonable considering your background and the number of credits?

Answer this this question and the succeeding one, only if you do know the course goals.

15 svarande

No, the goals are set too low»1 6%
Yes, the goals seem reasonable»11 73%
No, the goals are set too high»3 20%

Genomsnitt: 2.13

- I had encountered many of the terms (especially Raid, Interupts and others from the course "Datorsystemteknik") in the course already, so in my opinion it should be much harder.» (No, the goals are set too low)
- Dom skulle ha lagt ner mer fokus på att vi skulle börja tidigt på lab 1» (Yes, the goals seem reasonable)
- Arnes goals are fine. Marinas goals are difficult to understand and gives that feeling that they dont really belong in this course.» (No, the goals are set too high)

6. Did the examination assess whether you have reached the goals?

18 svarande

No, not at all»0 0%
To some extent»12 66%
Yes, definitely»3 16%
I don"t know/have not been examined yet»3 16%

Genomsnitt: 2.5

- I think 20/60 points of file system questions was far too much. 1/3 of an operating system can"t be about filesystems?» (To some extent)
- The part about modern seem neglected more or less. There were some material on the SMP topic. I"d like to at least something about virtualization.» (To some extent)
- Difficult to know what to focus on, judging by the slides.» (To some extent)
- It"s a wide subject so no, for instance i did"t find any question about system calls.» (To some extent)
- Extremt svårt att plugga till tentan. Hundratals olika fenomen man skulle känna till med en tenta med ett par stickprov.» (To some extent)
- Could be more spread out.» (To some extent)

Teaching and course administration

7. To what extent has the teaching been of help for your learning?

25 svarande

Small extent»10 40%
Some extent»8 32%
Large extent»7 28%
Great extent»0 0%

Genomsnitt: 1.88

- The entire layout of the lecture could have been remade. Most of the information was presented as bulleted lines with facts. The point of lectures are to not simply be presented with facts but to get some explaining as well. The connection between different parts of the cours was very hard to realize.» (Small extent)
- Känns som föreläsarna gett samma föreläsning i 10 år utan någon nämnvärd förändring. Inaktuella saker blandas med nya.» (Small extent)
- Marina had a way of flipping back and forward alot in the powerpoint pres. That made it hard to follow sometimes. » (Some extent)
- The teachers were very competent and helpful, but I have a habit of spending a lot of time playing around and learning for fun.» (Large extent)

8. To what extent has the the course literature and other material been of help for your learning?

25 svarande

Small extent»10 40%
Some extent»8 32%
Large extent»7 28%
Great extent»0 0%

Genomsnitt: 1.88

- Didnt get the book. I looked some in it tho since my firend had one. It was however not the correct book as Cremona managed to buy the wrong version of it.» (Small extent)
- The reading "assignments" could be devided into weeks or even lectures.» (Small extent)
- Boken var intressant och väl uppdaterad. (Operating Systems Concepts 7ed.)» (Large extent)

9. How well did the course administration, web page, handouts etc work?

24 svarande

Very badly»4 16%
Rather badly»11 45%
Rather well»7 29%
Very well»2 8%

Genomsnitt: 2.29

- arnes föreläsnings anteckningarna var grumt bra, dom andra var också bra men lite flumigga här och var» (?)
- I got the feeling that all information was not on the page, we got information on the lectures. I think also that the course page should be redesigned so information gets easier to find and necessary tasks are pointed out more clearer.» (Very badly)
- The website is worthless, some sort of index would be good instead of random hypertext links. Booking for labs are not electronic, the "pass around a paper"-algorithm is used and its really worthless.» (Very badly)
- Knapphänding information. Övningar som skulle läggas upp innan övningstillfället lades inte upp alls i vissa fall. Rörig sida.» (Very badly)
- The course page is poorly organized. Needs to be redone completely.» (Rather badly)
- The webpage does include most information needed but its close to impossible to navigate. If I did not have the possibility to use text search on it I never would have found the important link. The color was awful at start, corrected after some time. Examples of worthless layout of links: The slides can only be accessed throu a minimal link inside a portion of text. The old exams can only be found at the very end of the page with no headline what so ever.» (Rather badly)
- The students that went to the exeercise where lab 2 was presentet got material on the lab that wasn´,t available for the ones that wasn´,t there. All material that is handed out should be made available for all the students. The webpage is messy and it´,s difficult to find things. You should add some kind of menu system to the left with buttons: general info, labs, exercises, lectures. Right now everything is on one page with same font and size, including links which also are embedded in the text. = very messy. All handouts should be published in pdf or txt format. ABSOLUTELY NOT powerpoint or word.» (Rather badly)
- We where kicked out of our original group so we had to make a new one which was rather confusing.» (Rather badly)
- Herrendous web page design. Confusing deadline dates. » (Rather badly)
- Terrible colors on the webpage, hard to read.» (Rather badly)
- Why couldnt everything be on the course-page?» (Rather badly)
- Hard to find information on the webpage. Try to structure it more» (Rather badly)
- Horrible homepage design but ok information.» (Rather well)
- Messiest web page ever. But content was okay.» (Rather well)

Study climate

10. How were the opportunities for asking questions and getting help?

25 svarande

Very poor»1 4%
Rather poor»6 24%
Rather good»6 24%
Very good»7 28%
I did not seek help»5 20%

Genomsnitt: 3.36

- At the lab-sessions for lab2 there were really only one tutor you could ask (the other ones didnt know enough about the context), Wolfgang John.» (Rather poor)
- One of the supervisors should not take part in any human interaction what so ever, his people skills are equal to 0. No need to mention name.» (Rather poor)
- Svårt att få några direkta svar på frågor.» (Rather poor)
- The assistance during Lab-hours was very good.» (Very good)
- det var bra lab hjälp» (Very good)
- Good on second lab but I think we could have been pointed more in the right direction on the first lab.. We got the answer to read, but not what to read when we asked for help.» (I did not seek help)

11. How well has cooperation between you and your fellow students worked?

25 svarande

Very poorly»0 0%
Rather poorly»0 0%
Rather well»3 12%
Very well»21 84%
I did not seek cooperation»1 4%

Genomsnitt: 3.92

- I worked mostly with a closed circut of friends during the course.» (Rather well)

12. How was the course workload?

25 svarande

Too low»1 4%
Low»5 20%
Adequate»10 40%
High»7 28%
Too high»2 8%

Genomsnitt: 3.16

- I felt about half the course was repetition from Datorsystemteknik and Paralellprogramming.» (Too low)
- I did the assignements rather quick but I guess that was because of previous experience.» (Low)
- Flera hundra olika punkter som man skulle kunna untantill. Flera olika böcker som man skulle skaffa och läsa om de olika sakerna i de olika böckerna.» (High)

13. How was the total workload this study period?

25 svarande

Too low»0 0%
Low»5 20%
Adequate»11 44%
High»6 24%
Too high»3 12%

Genomsnitt: 3.28

Summarizing questions

14. What is your general impression of the course?

25 svarande

Poor»1 4%
Fair»8 32%
Adequate»5 20%
Good»10 40%
Excellent»1 4%

Genomsnitt: 3.08

- The subject is very interesting but the lectures didn"t seemed interesting, sorry..» (Fair)
- good course but poor lecturers» (Fair)
- Fun» (Adequate)
- I thought it was interesting and think that I will have good use of the content of this course in the future. » (Good)
- Good, but i would like to see some case studies.» (Good)
- It was a lot of fun, though sometimes you expected us to know C, which was a bit difficult to understand at first for someone who has never written in C.» (Good)
- It"s one of those courses you keep referring to when talking with friends. It surprises me how much I learned, and it was very interesting.» (Excellent)

15. What should definitely be preserved to next year?

- The labs.»
- The labs are quite fun and interesting, keep em. Wolfgang John, excelent tutor.»
- The assignments.»
- Labs»
- The practical labs were very useful in giving insight into the subject and also helped passing the exam.»
- labs»
- I think the labs where good and gave you a practical understanding for how things work. They should defenitly be presereved. »
- First lab, it"s a good way to learn about system calls.»
- Coding the labs in C, great! Wolfgang, very helpful.»
- labs»
- kurrsens inehåll»
- The overall layout of the course and the labs. The labs were not only very instructive, but also felt realistic and relevent, which made them exciting to work on.»
- Bra och intressanta labbar.»
- Most of what Marina was teaching. It was up to date and had good quality.»

16. What should definitely be changed to next year?

- The coursepage.»
- The website. The not-working pdf-files hosted on the website. The number of tutors that actually know what the labs are about. Use definite deadlines in the Fire-system, dont just write them Somewhere on the haystack that is the website. Maybe change the coursename to "UNIX" since that is all it covers.»
- Instead of focusing too much on various concurrency algorithms, which can be seen as pre-req, why not do some more studies into how various OS work today, more than just linux that is.»
- Lectures.. »
- The lectures should be redone. Preferably by letting the two lectureres duscuss them together. The exercises are completely useless in terms of examination. Anyone doing the exam without having been on any of the exercises would have just as large chances on passing it as those attending them. Either take up useful subjects there or put something on the exam to match the exercises better. The webpage needs an entire overhaul.»
- more labs»
- Some of the tutors on the other hand should be able to answere direct questions to some problems that are not related to the things that is "the problem" in the labs. As it was now ALL questions was answered with "gossip". Gossip is good, but not the answere to everything. »
- Pre assignment 1 was so to the extent that it was almost time consumming rather than learning.»
- The number of supervised labhours could increase some. Whatever is said during the lectures should be posted on the website, especially relevant information about the labs. One should not be "punished" if you miss a lecture.»
- better structure for the lecturers. Feels like Arne went one track while marina went another, and the more lectures they had the more they sliped away from each other. Marina a lot on multi programming while Arne focused on implementation of different things in UNIX. Would be better if you somehow syncronized in the end.»
- Få eleverna att börja med lab1 i god tid vet många som satt med den bara dagarna innan»
- Please supply answers to the old finals or at least for the tasks that includes calculations.»
- Remove the lectures about distributed filesystems, they felt out of place. »
- Easier labs, this took to much time.»
- Borde nöja sig med en kursbok. Bättre information/listor på det som var viktigt att studera in. Uppdaterat innehåll som känns mer relevant i dagens datorer/operativsystem.»
- Most of what Arne was teaching. Most of it was outdated and yesterdays technology. How to optimize for cylinders on harddrives etc. that isn"t used anymore. Very much about how the hardware worked 10-20 years ago, and nothing about how the future looks. Question 2 on the exam was only about past technologies for example.»

17. Additional comments

- Cremona got the book very late and then it finally came it was a book with java examples. I didn"t want to pay 500 SEK for a book in operating systems with java examples (!?) so I ordered mine from Adlibris and got it just in time for the exam.. And that"s one week ago. Good administration with the labs. Nice that we got extra time for lab 2 and an extra time for lab 1 presentation. Very good that the labs could be done at either home or school (or both).»
- The administration is not adequate for a CTH-course.»
- Dont squeeze in every subject in the course, focus on Operating Systems only.»
- I did however learn some interesting things during the course. The big problem was that I didnt get much help in increasing my interest in the subject. I could certainly have learned much more with a better design on the lectures.»
- Very fun course! »
- It would be nice if the files for the laborations would compile from start, so it wouldn"t begin with debugging that code...»

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