Operating System (OS) Which one of the following is not a layer of operating system? Shell Application program Critical selection Kernel Shell Application program Critical selection Kernel ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy to be fair to obey priorities to balance resource utilization None of these to be predictable to be fair to obey priorities to balance resource utilization None of these to be predictable ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following are loaded in safe mode ? Keyboard driver All of the listed here VGA drive Mouse driver Keyboard driver All of the listed here VGA drive Mouse driver ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one is not a system tool? Backup Disk defragment All of the listed here Virus scanning Backup Disk defragment All of the listed here Virus scanning ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) How can you optimize performance of your computer? Scan for virus All of above Delete unused files Defrag disk Scan for virus All of above Delete unused files Defrag disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In which of the storage placement strategies a program is placed in the largest available hole in the main memory? best fit first fit None of these buddy worst fit best fit first fit None of these buddy worst fit ANSWER DOWNLOAD EXAMIANS APP
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