Operating System (OS) Semaphores are used to do I/O synchronize critical resources to prevent contention None of these synchronize critical resources to prevent deadlock are used for memory management are used to do I/O synchronize critical resources to prevent contention None of these synchronize critical resources to prevent deadlock are used for memory management ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which components appear in the initial windows start up display? Dialog box Start menu Task bar All of these Dialog box Start menu Task bar All of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is the allocation method of a disk space ? Indexed allocation Linked allocation All of the listed here Contiguous allocation Indexed allocation Linked allocation All of the listed here Contiguous allocation ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is Tool bar Task bar Status bar Menu bar Tool bar Task bar Status bar Menu bar ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Buffer Register (MBR) 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. 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 hardware memory device which denotes the location of the current instruction being executed. None of these 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. 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 hardware memory device which denotes the location of the current instruction being executed. None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The primary job of the operating system is Manage Resources Manage Commands Manage Users Manage Programs Manage Resources Manage Commands Manage Users Manage Programs ANSWER DOWNLOAD EXAMIANS APP
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