Operating System (OS) All of the following are task performed by the operating system except Provides an interface for user to interact with computer Managing hardware on the computer Controlling the access that application program has to the CPU Performing housekeeping task like file compression and disk defragmentation Provides an interface for user to interact with computer Managing hardware on the computer Controlling the access that application program has to the CPU Performing housekeeping task like file compression and disk defragmentation ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one is not a system tool? Disk defragment Backup All of the listed here Virus scanning Disk defragment Backup All of the listed here Virus scanning ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its ...... button None of above Icon Taskbar button Folder None of above Icon Taskbar button Folder ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a FIFO Scan First come first served None of these Shortest Seek Time First (SSTE) FIFO Scan First come first served None of these Shortest Seek Time First (SSTE) ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and buffer overflow deadlock avoidance hold and wait None of these race around condition buffer overflow deadlock avoidance hold and wait None of these race around condition ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which is the layer of a computer system between the hardware and the user program Operating system System environment Operating environment None Operating system System environment Operating environment None ANSWER DOWNLOAD EXAMIANS APP
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