Operating System Mcqs

Page No. 39

Some of the properties of real time systems include ____________


asingle purpose


binexpensively mass produced


csmall size


dall of the mentioned


View Answer all of the mentioned

In a ______ real time system, it is guaranteed that critical real time tasks will be completed within their deadlines.


asoft


bhard


ccritical


dnone of the mentioned


View Answer hard

Antilock brake systems, flight management systems, pacemakers are examples of ____________


asafety critical system


bhard real time system


csoft real time system


dsafety critical system and hard real time system



In a safety critical system, incorrect operation ____________


adoes not affect much


bcauses minor problems


ccauses major and serious problems


dnone of the mentioned



In a real time system the computer results ____________


amust be produced within a specific deadline period


bmay be produced at any time


cmay be correct


dall of the mentioned



If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. If a new process D requested 30 shares, the admission controller would __________


aallocate 30 shares to it


bdeny entry to D in the system


call of the mentioned


dnone of the mentioned



If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. C will have ______ percent of the total processor time.


a20


b15


c50


dnone of the mentioned


View Answer 20

If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. B will have ______ percent of the total processor time.


a20


b15


c50


dnone of the mentioned


View Answer 15

If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares. A will have ______ percent of the total processor time.


a20


b15


c50


dnone of the mentioned


View Answer 50

T shares of time are allocated among all processes out of N shares in __________ scheduling algorithm.


arate monotonic


bproportional share


cearliest deadline first


dnone of the mentioned


View Answer proportional share

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