Operating System (OS) What program runs first after computer is booted and loading GUI ? Windows Explorer Authentication File manager Desktop manager Windows Explorer Authentication File manager Desktop manager ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Address Register None of these is a hardware memory device which denotes the location of the current instruction being executed. contains the address of the memory location that is to be read from or stored into. 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". is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. None of these is a hardware memory device which denotes the location of the current instruction being executed. contains the address of the memory location that is to be read from or stored into. 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". is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Block caches or buffer caches are used to increase the capacity of the main memory to improve disk performance to handle interrupts None of these to speed up main memory read operation to increase the capacity of the main memory to improve disk performance to handle interrupts None of these to speed up main memory read operation ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following appear in Windows menu bar? All of above Edit Help File All of above Edit Help File ANSWER DOWNLOAD EXAMIANS APP
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 16 1 8 None of these 16 1 8 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) For how many processes which are sharing common data, the Dekker's algorithm implements mutual exclusion? 1 3 2 None of these 4 1 3 2 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
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