Operating System (OS) What program runs first after computer is booted and loading GUI ? Windows Explorer Desktop manager File manager Authentication Windows Explorer Desktop manager File manager Authentication ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What hole will allocates in "Worst-Fit" algorithm of memory management? It allocates the smallest hole from the available memory holes It allocates the smaller hole than required memory hole It allocates the largest hole from the available memory holes It allocates the exact same size memory hole It allocates the smallest hole from the available memory holes It allocates the smaller hole than required memory hole It allocates the largest hole from the available memory holes It allocates the exact same size memory hole ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A page fault occurs when a program accesses a page of memory is an access to a page not currently in memory is a reference to a page belonging to another program None of these is an error is a specific page occurs when a program accesses a page of memory is an access to a page not currently in memory is a reference to a page belonging to another program None of these is an error is a specific page ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following does not occur during the power-on-self-test (POST)? The BIOS identification process occurs The video card and video memory are tested The scan disk utility begins to run Memory chip are checked to ensure that they are working properly The BIOS identification process occurs The video card and video memory are tested The scan disk utility begins to run Memory chip are checked to ensure that they are working properly ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The CPU, after receiving an interrupt from an I/O device branches off to the interrupt service routine immediately halts for a predetermined time None of these branches off to the interrupt service routine after completion of the current instruction hands over control of address bus and data bus to the interrupting device branches off to the interrupt service routine immediately halts for a predetermined time None of these branches off to the interrupt service routine after completion of the current instruction hands over control of address bus and data bus to the interrupting device ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Trojan-Horse programs do not usually work usually are immediately discovered are hidden programs that do not show up on the system are legitimate programs that allow unauthorized access None of these do not usually work usually are immediately discovered are hidden programs that do not show up on the system are legitimate programs that allow unauthorized access None of these ANSWER DOWNLOAD EXAMIANS APP