Operating System (OS) Data encryption cannot be used by private installations is mostly used by financial networks is not necessary, since data cannot be intercepted None of these is mostly used by public networks cannot be used by private installations is mostly used by financial networks is not necessary, since data cannot be intercepted None of these is mostly used by public networks ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To prevent the addition and deletion of files on a disk or tape we use Create back up None of above Write protect Format Create back up None of above Write protect Format ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What problem is solved by Dijkstra's banker's algorithm? mutual exclusion deadlock recovery deadlock avoidance None of these cache coherence mutual exclusion deadlock recovery deadlock avoidance None of these cache coherence ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is false about disk when compared to main memory? non-volatile lower price per bit longer storage capacity None of these faster non-volatile lower price per bit longer storage capacity None of these faster ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) While running DOS on a PC, which command would be used to duplicate the entire diskette? COPY TYPE None of these DISKCOPY CHKDSK COPY TYPE None of these DISKCOPY CHKDSK ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The primary purpose of an operating system is: To allow people to use the computer To keep systems programmers employed To make computers easier to use To make the most efficient use of the computer hardware To allow people to use the computer To keep systems programmers employed To make computers easier to use To make the most efficient use of the computer hardware ANSWER DOWNLOAD EXAMIANS APP
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