Operating System (OS) Memory management is : replaced with virtual memory on current systems not used on multiprogramming systems critical for even the simplest operating systems not used in modern operating system None of these replaced with virtual memory on current systems not used on multiprogramming systems critical for even the simplest operating systems not used in modern operating system None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A public key encryption system allows anyone to decode the transmission allows only the correct receiver to decode the data allows only the correct sender to decode the data None of these does not encode the data before transmitting it allows anyone to decode the transmission allows only the correct receiver to decode the data allows only the correct sender to decode the data None of these does not encode the data before transmitting it ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is a disk compression tool? Drive space None of these Defragmenter Scan disk Drive space None of these Defragmenter Scan disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as None of these multiprogramming semaphore mutual exclusion multitasking None of these multiprogramming semaphore mutual exclusion multitasking 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 Scan None of these First come first served FIFO Shortest Seek Time First (SSTE) Scan None of these First come first served FIFO Shortest Seek Time First (SSTE) ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them? Multitasking Windowing Paging None of these Partitioning Multitasking Windowing Paging None of these Partitioning ANSWER DOWNLOAD EXAMIANS APP
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