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Cooperating process required an interprocess communication mechanism. This work on which of the following fundamental model. (A) Shared Memory (B) Cascading termination (C) Message passing (D) Cooperating
A target thread periodically check whether it should terminate allowing it an opportunity to terminate it self in an orderly fashion?
Occurrence of an event is usually signaled by interrupt from software by actuating special operation called-
A CPU –bound program might have
In a computer if the page fault service time is 10 ms and average memory access time is 30 ns. If one page fault is generated for every 106 memory accesses. What is the effective access time for the memory?
The current allocation and maximum requirement of different types of resources for four processes are given below:
|
Process |
Max |
Allocation |
Available |
||||||
|
R1 |
R2 |
R3 |
R1 |
R2 |
R3 |
R1 |
R2 |
R3 |
|
|
P1 |
8 |
6 |
4 |
1 |
2 |
1 |
4 |
4 |
5 |
|
P2 |
4 |
3 |
3 |
3 |
1 |
1 |
|
|
|
|
P3 |
10 |
1 |
3 |
4 |
1 |
3 |
|
|
|
|
P4 |
3 |
3 |
3 |
3 |
2 |
2 |
|
|
|
Consider the following four statements
(A) P2-- >P4 -- >P1-- >P3 is a safe sequence
(B) P4-- >P2 -- >P1-- >P3 is a safe sequence.
(C) P4-- >P2 -- >P3-- >P1 is a safe sequence
(D) P1-- >P4 -- >P2-- >P3 is a safe sequence.
Identify correct statements from the given options.
Consider a typical process P, in the critical section. Arrange the following statements of code to make a valid general structure.
(A) Critical section (B) Remainder section
(C) Entry section (D) Exit section
Choose the correct answer from the options given below:
Which CPU scheduling algorithm prefers the process with the shortest burst time?
External fragmentation occurs
Details a paging system for memory management are as follows:
Logical address space: 32 KB
Page Size: 4 B
Physical Memory size: 64 KB
The number of pages in the logical address space and number of
page frames in physical memory, respectively are:
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