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2
votes
2answers
56 views

where is all deleted data will go from memory system/internet? [on hold]

where is all deleted data will go from a memory system ? if it is not deleting actually where it storing ? i am always wonder about this when we are sending something to a memory system it takes ...
-1
votes
0answers
32 views

Two fetch-execute cycle?

Consider an 8-bit system with 32 memory locations (numbered from 0 to 31) and 8 different instructions. Assume op code for "Load Accumulator" instruction is 710 and for "Add" instruction is 410. At ...
3
votes
3answers
691 views

How are hash table's values stored physically in memory?

Question: How are hash table's values stored in memory such that space if efficiently used and values don't have to be relocated often? My current understanding (could be wrong): Let's say I have 3 ...
0
votes
1answer
23 views

In Ada95 how many bytes does integer occupied in memory? [closed]

Also asking for float, character, ect.
0
votes
1answer
35 views

Name for almost random memory distribution on the heap

If I had a heap like the following: with blue blocks being occupied memory and white blocks being free memory What is the general name given to the situation illustrated, where the free and ...
0
votes
1answer
59 views

How is heap memory allocated to a process?

I want to better understand how OS provides heap memory to a process. Here by heap memory I mean the memory allocated dynamically, say by call to malloc. When a ...
-1
votes
1answer
86 views
0
votes
1answer
2k views

Dynamic loading vs. dynamic linking?

What is the difference between dynamic loading and dynamic linking? Both systems seem to allow shared libraries, but I am struggling to differentiate between them.
0
votes
1answer
68 views

How Does Dynamic Heap Storage Have Something to Do with Heap?

There are three typical ways to allocate memory for programs: static, stack and dynamic heap. However, when I look at the implementation of dynamic heap memory allocation from wikipedia , what I found ...
0
votes
2answers
2k views

Direct vs. Random Access

Would someone please clarify for me the difference between direct and random access? Specifically, why does this Wikipedia article on Direct Access Storage Devices distinguish between the two: ...
4
votes
3answers
2k views

How does worst-fit memory allocation react when encountering contiguous empty memory blocks?

So I have a problem understanding how the worst-fit protocol for memory allocation reacts to contiguous blocks of empty memory. None of the examples I have found address this possibility. For ...
10
votes
1answer
3k views

Swap space management during pure demand paging

The following is a doubt that I came across while doing a OS home assignment - however, it seems more concept-based than a straightforward coding question, so IMHO I don't think the homework tag is ...
12
votes
3answers
466 views

Clever memory management with constant time operations?

Let's consider a memory segment (whose size can grow or shrink, like a file, when needed) on which you can perform two basic memory allocation operations involving fixed size blocks: allocation of ...