Operating System (OS) Which one of the following key is used to refresh the active window? F7 F9 F8 F5 F7 F9 F8 F5 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is a type of systems software used on microcomputers? MS-DOS All of these Unix PC-DOS None of these MS-DOS All of these Unix PC-DOS None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____. shortened; lengthened shortened; shortened lengthened; lengthened lengthened; shortened None of these shortened; lengthened shortened; shortened lengthened; lengthened lengthened; shortened None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and race around condition buffer overflow hold and wait deadlock avoidance None of these race around condition buffer overflow hold and wait deadlock avoidance None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Block or buffer caches are used to increase the capacity of main memory to improve disk performance None of these to speed up main memory read operation to handle interrupts to increase the capacity of main memory to improve disk performance None of these to speed up main memory read operation to handle interrupts ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To save your computer from viruses you will do Make physical safe for the removal disk Scan the removable disk before using it Install antivirus software and run it All of these Make physical safe for the removal disk Scan the removable disk before using it Install antivirus software and run it All of these ANSWER DOWNLOAD EXAMIANS APP
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