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help2002

This forum is provided to promote discussion amongst students enrolled in CITS2002 Systems Programming.
Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!"  followup message.
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 UWA week 42 (2nd semester, week 12) ↓
SVG not supported 12:55pm Thu 17th Oct, Joshua N.

ANONYMOUS wrote Honestly it could be interpreted either way, but I don't think you need to increase the last accessed time if you are ignoring the entry since it would presumably take no time to ignore an entry (as opposed to loading an entry onto RA...


SVG not supported 12:50pm Thu 17th Oct, Joshua N.

One person submits for the team. Put both of your names and student numbers as comments at the top of the file.


SVG not supported 12:49pm Thu 17th Oct, Joshua N.

It is definitely possible to complete the project without creating virtual memory, but I believe Amitava intends you to create virtual memory (since it is in the specification), so it is probably best to create virtual memory.


SVG not supported 10:29am Thu 17th Oct, ANONYMOUS

Hi, in the project description it says that "time will increase by 1 for each entry in the file". So, do we need to increase last accessed time if we decide to ignore an entry that already exists in RAM? Thank you for your help


SVG not supported 9:44am Thu 17th Oct, ANONYMOUS

how do i submit if i worked project2 with a partner? do I have to submit individually or make team's submission as Project 1? "If working as a team of two, only one team member should make the team's submission." thank you.


SVG not supported 2:31am Thu 17th Oct, ANONYMOUS

Is it mandatory to maintain a data structure for virtual memory as an array of size 32? Coz I developed all the way without having virtual memory in mind.


SVG not supported 1:47am Thu 17th Oct, ANONYMOUS

can someone explain step-by-step the calls to the RAM because why does the time jump up so fast? ;-;


SVG not supported 10:34pm Wed 16th Oct, ANONYMOUS

Thank you


SVG not supported 8:09pm Wed 16th Oct, Joshua N.

One person submits. You put your names and student numbers at the top of the file.


SVG not supported 8:08pm Wed 16th Oct, Joshua N.

ANONYMOUS wrote No, it isn't. I don't think he intended for the example output to match the in.txt file.


SVG not supported 8:06pm Wed 16th Oct, Joshua N.

ANONYMOUS wrote My other post was incorrect. Don't increase the time stamp when you ignore a page.


SVG not supported 8:05pm Wed 16th Oct, Joshua N.

ANONYMOUS wrote You are right the time stamp shouldn't increase when you ignore a page I got mixed up with the reloading.


SVG not supported 8:03pm Wed 16th Oct, Joshua N.

ANONYMOUS wrote As Anon said this is incorrect. The page table is the slot in RAM the page occupies. A slot is of size 2. So, it should be 0, 1, 2, 3 4, 7, 99, 99 99, 99, 5, 99 99, 99, 6, 99


SVG not supported 7:59pm Wed 16th Oct, Joshua N.

I don't know. Hopefully before the exam.


SVG not supported 7:56pm Wed 16th Oct, Joshua N.

As Anon said, either way is fine. It is not necessary to have a newline character at the end. np.


SVG not supported 7:54pm Wed 16th Oct, ANONYMOUS

You are getting confused with the location in the RAM array and the page frame in the RAM. Page tables print which page frame the process page is in, NOT the array index the page starts at. From the project description "We have a computer...


SVG not supported 7:54pm Wed 16th Oct, Joshua N.

Yes. The first argument will always be in.txt (file read from) and the second will be out.txt (file written to).


SVG not supported 7:53pm Wed 16th Oct, ANONYMOUS

when do the project 1 marks come out


SVG not supported 7:49pm Wed 16th Oct, Joshua N.

Assumptions should appear as a comment at the top of your source file.


SVG not supported 7:47pm Wed 16th Oct, Joshua N.

Not completely sure what you mean but you don't need to provide code for this question. Recall there are two types caching methods you can use that apply the principle of Locality of Reference and you can use two examples to demonstrate how they can ...

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