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OS Real Time Operating Systems(RTOS)
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OS Real Time Operating Systems(RTOS)
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OS Real Time Operating Systems(RTOS)
In a real time system the computer results ____________
must be produced within a specific deadline period
may be produced at any time
may be correct
all of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Antilock brake systems, flight management systems, pacemakers are examples of ____________
safety critical system
hard real time system
soft real time system
safety critical system and hard real time system
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is ____________
0.90
0.74
0.94
0.80
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Rate monotonic scheduling assumes that the __________
processing time of a periodic process is same for each CPU burst
processing time of a periodic process is different for each CPU burst
periods of all processes is the same
none of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
new process D requested 30 shares, the admission controller would __________
allocate 30 shares to it
deny entry to D in the system
all of the mentioned
none of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Using EDF algorithm practically, it is impossible to achieve 100 percent utilization due to __________
the cost of context switching
interrupt handling
power consumption
all of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
In rate monotonic scheduling, a process with a shorter period is assigned __________
a higher priority
a lower priority
higher & lower priority
none of the mentioned
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
The amount of memory in a real time system is generally ____________
less compared to PCs
high compared to PCs
same as in PCs
they do not have any memory
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Hard real time operating system has ______________ jitter than a soft real time operating system.
less
more
equal
none of the mentioned
Jitter is the undesired deviation from the true periodicity.
Author:
rikazzz
Comment
OS Real Time Operating Systems(RTOS)
Priority inversion is solved by use of _____________
priority inheritance protocol
two phase lock protocol
time protocol
all of the mentioned
Author:
rikazzz
Comment
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