Register

Recent questions tagged process

0 votes
1 answer
61
Resource preemption
Which of the following transitions are not possible? (Assume resource preemption is not allowed) A) 2 and 4 B) 3 and 5 C)4 and 5 D)3 and 5 if resource preemption is not allowed then answer should be A) but answer given is D) how it is possible?
Which of the following transitions are not possible? (Assume resource preemption is not allowed)A) 2 and 4B) 3 and 5C)4 and 5D)3 and 5if resource preemption is not allowe...
User Avatar
0 votes
1 answer
62
threads
Multi-threaded application cannot take advantage of multiprocessing. What does this mean?
Multi-threaded application cannot take advantage of multiprocessing.What does this mean?
User Avatar
9 votes
2 answers
65
#THREADS
if(fork() && fork()) { fork(); } if(fork()||fork()) { fork(); fork(); } printf("XYZ"); How many time XYZ gets printed ?
if(fork() && fork()) {fork();}if(fork()||fork()) {fork();fork();}printf("XYZ");How many time XYZ gets printed ?
User Avatar
11 votes
4 answers
66
#threads
int main() { if(fork() == 0) printf("GATE2018"); if(fork() == 0) printf("GATE2018"); } How many times GATE2018 printed?
int main() { if(fork() == 0) printf("GATE2018"); if(fork() == 0) printf("GATE2018"); }How many times GATE2018 printed?
User Avatar
0 votes
1 answer
67
Process
1.Can any one tell me few examples of "new" and "ready" process? 2.What kind of process "a.out" is? Is it a new process or just a program on secondary memory?
1.Can any one tell me few examples of "new" and "ready" process?2.What kind of process "a.out" is? Is it a new process or just a program on secondary memory?
User Avatar
10 votes
3 answers
68
user and kernel mdoe
can anyone tell what are different activities that are performed in kernel mode user mode how to change frm user mode to kernel mode and vice-versa,,
can anyone tell what are different activities that are performed in kernel modeuser modehow to change frm user mode to kernel mode and vice-versa,,
User Avatar
1 votes
1 answer
70
Ace Test Series: Operating System - Process
Which of the following information is not a part of process control block? a) CPU scheduling information b) CPU-stack pointer values c) CPU-timer information d) CPU- accumulator interrupt
Which of the following information is not a part of process control block?a) CPU scheduling informationb) CPU-stack pointer valuesc) CPU-timer informationd) CPU- accumula...
User Avatar
2 votes
0 answers
73
operating system - stack,heap,text,numerical
a process has 3 sections stack heap and text and if the size of the page table is 2 mb then on average amount of unused page space per process is?
a process has 3 sections stack heap and text and if the size of the page table is 2 mb then on average amount of unused page space per process is?
User Avatar
3 votes
3 answers
74
ACE Grand Test 2003
Which of the following is/are an invalid process state transition a) timer start: ready --> running b) timer out : running --> blocked c) I/O : running --> ready d) resume: suspend --> runnig
Which of the following is/are an invalid process state transitiona) timer start: ready runningb) timer out : running blockedc) I/O : running readyd) resume: suspe...
User Avatar
3 votes
2 answers
76
UGC NET CSE | June 2013 | Part 3 | Question: 63
Working set model is used in memory management to implement the concept of Swapping Principal of Locality Segmentation Thrashing
Working set model is used in memory management to implement the concept ofSwappingPrincipal of LocalitySegmentationThrashing
User Avatar
3 votes
7 answers
77
ISRO2011-55
There are three processes in the ready queue. When the currently running process requests for I/O how many process switches take place? 1 2 3 4
There are three processes in the ready queue. When the currently running process requests for I/O how many process switches take place?1234
User Avatar
3 votes
3 answers
78
ISRO2009-76
Process is A program in high level language kept on disk Contents of main memory A program in execution A job in secondary memory
Process isA program in high level language kept on diskContents of main memoryA program in executionA job in secondary memory
User Avatar
8 votes
2 answers
79
ISRO2008-64
Which of the following need not necessarily be saved on a Context Switch between processes? General purpose registers Translation look-aside buffer Program counter Stack pointer
Which of the following need not necessarily be saved on a Context Switch between processes?General purpose registersTranslation look-aside bufferProgram counterStack poin...
User Avatar
6 votes
2 answers
80
ISRO2007-41
A task in a blocked state is executable is running must still be placed in the run queues is waiting for some temporarily unavailable resources
A task in a blocked stateis executableis runningmust still be placed in the run queuesis waiting for some temporarily unavailable resources
User Avatar
4 votes
1 answer
81
ISRO2009-9
Which is the correct definition of a valid process transition in an operating system? Wake up: ready $\rightarrow$ running Dispatch: ready $\rightarrow$ running Block: ready $\rightarrow$ running Timer runout: $\rightarrow$ ready $\rightarrow$ running
Which is the correct definition of a valid process transition in an operating system?Wake up: ready $\rightarrow$ runningDispatch: ready $\rightarrow$ runningBlock: ready...
User Avatar
3 votes
1 answer
82
ISRO2009-75
Special software to create a job queue is called a Driver Spooler Interpreter Linkage editor
Special software to create a job queue is called aDriverSpoolerInterpreterLinkage editor
User Avatar
2 votes
5 answers
84
ISRO-2013-60
The state of a process after it encounters an $I/O$ instruction is? Ready Blocked Idle Running
The state of a process after it encounters an $I/O$ instruction is?ReadyBlockedIdle Running
User Avatar
26 votes
1 answer
88
GATE CSE 1996 | Question: 1.18
The process state transition diagram in the below figure is representative of a batch operating system an operating system with a preemptive scheduler an operating system with a non-preemptive scheduler a uni-programmed operating system
The process state transition diagram in the below figure is representative ofa batch operating systeman operating system with a preemptive scheduleran operating system wi...
User Avatar
59 votes
4 answers
90
GATE CSE 2001 | Question: 2.20
Which of the following does not interrupt a running process? A device Timer Scheduler process Power failure
Which of the following does not interrupt a running process?A deviceTimerScheduler processPower failure
User Avatar
Page: