Operating System (OS) Semaphores synchronize critical resources to prevent deadlock None of these are used for memory management are used to do I/O synchronize critical resources to prevent contention synchronize critical resources to prevent deadlock None of these are used for memory management are used to do I/O synchronize critical resources to prevent contention ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In windows, start button is used to Device setting Turn off the system Run applications All of the listed here Device setting Turn off the system Run applications All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because None of these they are partly in primary memory and partly on disk they are memory resident they are available on magnetic tapes they are initially stored on disk None of these they are partly in primary memory and partly on disk they are memory resident they are available on magnetic tapes they are initially stored on disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not essential to shut down your computer? Switch off monitor Save all opened files Cut off the power supply Close all running applications Switch off monitor Save all opened files Cut off the power supply Close all running applications ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called? Upward mobility Upward compatibility Upgradability None of these Universality Upward mobility Upward compatibility Upgradability None of these Universality ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The term 'polling' in a computer means a process by which a computer system inquires to see if a terminal has any transaction to send multiplexes the inputs and updates the memory accordingly detects/corrects errors decides correct alternative by analysing several ones None of these inquires to see if a terminal has any transaction to send multiplexes the inputs and updates the memory accordingly detects/corrects errors decides correct alternative by analysing several ones None of these ANSWER DOWNLOAD EXAMIANS APP
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