Operating System (OS) IBM released its first PC in 1981. Can you name the operating system which was most popular at that time? OS/360 PC-DOS MS-DOS None of these CP/M OS/360 PC-DOS MS-DOS None of these CP/M ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What problem is solved by Dijkstra's banker's algorithm? None of these mutual exclusion cache coherence deadlock recovery deadlock avoidance None of these mutual exclusion cache coherence deadlock recovery deadlock avoidance ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Information in a memory that is no longer valid or wanted is known as non-volatile surplus volatile garbage None of these non-volatile surplus volatile garbage None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A file organization component of a VSAM file is: entry sequential data set All of these relative record data set keyed sequential data set None of these entry sequential data set All of these relative record data set keyed sequential data set None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Memory management is : replaced with virtual memory on current systems not used in modern operating system not used on multiprogramming systems None of these critical for even the simplest operating systems replaced with virtual memory on current systems not used in modern operating system not used on multiprogramming systems None of these critical for even the simplest operating systems ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... Are used only by large mainframe computer Execute more jobs in the same time period Are easier to develop than single programming system Execute each job faster Are used only by large mainframe computer Execute more jobs in the same time period Are easier to develop than single programming system Execute each job faster ANSWER DOWNLOAD EXAMIANS APP
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