Operating System (OS) What is the initial value of the semaphore to allow only one of the many processes to enter their critical section? None of these 1 8 16 None of these 1 8 16 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following memory unit that processor can access more rapidly Virtual Memory Cache memory Main Memory Read Only Memory Virtual Memory Cache memory Main Memory Read Only Memory ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which is not the function of the operating system? Disk management Application management Memory management Virus protection Disk management Application management Memory management Virus protection ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Backups should be done daily for most installations None of these as several image copies, followed by an incremental weekly for most installations as several incrementals, followed by an image copy daily for most installations None of these as several image copies, followed by an incremental weekly for most installations as several incrementals, followed by an image copy ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Address Register None of these contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write". contains the address of the memory location that is to be read from or stored into. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. is a hardware memory device which denotes the location of the current instruction being executed. None of these contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write". contains the address of the memory location that is to be read from or stored into. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. is a hardware memory device which denotes the location of the current instruction being executed. ANSWER DOWNLOAD EXAMIANS APP
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