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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