All Questions
Tagged with memory-management process-scheduling
6 questions
0
votes
1
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171
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Page allocation for a program
When my professor explained how the OS handles memory, he described demand paging, and how when a process starts up, the code page with the first instruction is loaded into memory, and everything else ...
- 183
1
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1
answer
127
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Can a process run if there's not enough space for minimum pages?
I'm studying OS and I came up with this scenario where the OS works with a paging scheme and virtual memory, and a process wants to start running, but in memory, there's not enough space to allocate ...
- 21
1
vote
2
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968
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What is the difference between a page and thread?
"Each process that is executed is divided into blocks of same size, called pages."
"Thread is a part of process being executed."
Are pages and threads both part(s) of process? Whats the difference ...
2
votes
2
answers
1k
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Characterize an OS as multiprogrammed OS
Which of the following features will characterize an OS as multiprogrammed OS?
More than one program may be loaded into main memory at the same
time.
If a program waits for certain event another ...
4
votes
1
answer
5k
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How does the OS know the physical address of a process' first memory page?
If I have a program, its instructions are stored on the hard drive. When I double-click the executable the pages of memory for this process must get loaded in to RAM. However, for the pages to get ...
- 49
1
vote
1
answer
474
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processes response time confusion
An OS contains 10 identical processes that were initiated at the same time.Each process contains 15 identical requests. Each request consume 20 msec of CPU time.A request is followed by an I/O ...
- 265