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Recent questions tagged context-switch

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OS, Process Scheduling
Consider a uniprocessor system with n processes in the ready queue. Round robin scheduling with time quantum x is used for process scheduling. Assume each process require...
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GATE CSE 2024 | Set 2 | Question: 15
​​​​Consider a process $\text{P}$ running on a $\text{CPU}$. Which one or more of the following events will always trigger a context switch by the $\text{OS}$ tha...
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GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 23
Consider the context switch of a CPU from the context of process P1 to that of process P2.Consider the following two events in the chronological order of the events durin...
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#Operating system question #cpu scheduling
Consider arrival time and execution time for the following process:-P.id A.T B.T1 2 52 7 93 8 34 10 4 Ass...
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Operating System | Round Robin | Preemption & Context Switch
Suppose only a process P1 is executing, using Round Robin scheduling. After the time slice expires, the same process comes back into execution. This could be considered a...
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Made Easy Test Series 2021: Operating System
Consider the following segment:Note : Assume the count = count + 1; will execute in ‘3’ different instructions.Where, m[count] refers to memory value of count variabl...
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Operating System
1. Write clearly the dinning philosopher and reader-writer classical problem of process synchronization
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Made easy || Operating system
Consider a process P running on a system with non-preemptive Kernel design. Consider following actions by P :(i) A blocking system call.(ii) Servicing a timer interrupt.(...
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Operating System | Process Scheduling | Round Robin
Lets consider one situation where,OS is scheduling processes(P1,P2,P3...Pn) with Round Robin method and current running process is P1 and next scheduled process in queue ...
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#Self Doubt OS CPU scheduling?
Does non preemptive CPU scheduling needs hardware support.kindly explain.
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#self doubt #round robin #cpu scheduling
in round robin algorithm if a process with burst time = 10 arrived at t=0 and time quantum is 2 units, context switch time is 2 units . Then completion time of the proces...
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NIELIT 2017 DEC Scientist B - Section B: 17
The time taken to switch between user and kernel modes of execution be $t1$ while the time taken to switch between two processes be $t2$. Which of the following is TRUE?$...
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Andrew S. Tanenbaum (OS) Edition 4 Exercise 2 Question 42 (Page No. 177)
Explain how time quantum value and context switching time affect each other, in a round-robin scheduling algorithm.
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Self doubt
Virtual memory increases context switching overhead ? Why why not ?
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made_easy_test_series
Consider the following statements given below:S1: User-level threads switching does not require context switching.S2: Virtual memory increases the context switching overh...
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GATE Overflow | Mock GATE | Test 1 | Question: 37
Consider the context switch of a CPU from the context of process $P1$ to that of process $P2$. Consider the following two events in the chronological order of the events ...
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Zeal Test Series 2019: Operating System - Context Switch
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Process Management
Q.Consider the processes P1, P2, P3, P4 whose arrival times are 0, 1, 2, 3 and Burst times are 5, 2, 13, 7. If the Context Switching time is 1 unit (ms), what is the aver...
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Context Switching Process Management
What is the least number of context switching required for 'n' number of processes?
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My doubt on context switch and preemption
What is the difference between context switch and preemption?In case of critical section between context switch and preemption which one is possible ?And if so happens th...
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Self Doubt Context Switching Threads
S1: Context Switching occurs only in kernel mode. :TRUES2: Context Switching in user mode is faster as compared to context switching in kernel mode. : TRUEIf Context Swit...
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CONTEXT SWITCH
Context switches can occur only in kernel mode. So for process switches first we have to move from user to kernel mode. Then we have to save the PCB of the process from w...
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Context switch
Consider 4 processes sharing the CPU in round robin fashion. If context switch time is 1 sec , what must be the time quantum q such that the number of context switches ar...
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round robin scheduling
Choose correct answer from the below options:If the following jobs are to be executed on a single processor systemThe jobs are arrived at time 0 and in the order a, b, c,...
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Paging ,os. Galvin book page no. 332
Paging increases context switch time how and why ???
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CPU efficiency in round robin algorithm
Measurements of a certain system have shown that a process runs, on the average, for time T before blocking for Input/Output. Process switch requires t...
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made easy practice booklet
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MadeEasy Subject Test: Operating System - Process Schedule
I encountered 1 question on context switching in Made Easy test series where it is mentioned:Scheduling policy is preemptive priority. Context switch time is 1 unit.So wh...
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Context Switch
Let P1 and P2 are two processes , the Context Switch happens from P1 to P2 .Meaning : Now what happens is CPU saves the state of P1 and loads the state of P2.Who raises i...
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OS:- Round Robin scheduling
If we have only one process in ready queue with burst time "m", then how many context switching will happen using round robing scheduling with time quantum q ,where q<m.A...
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