Operating System (OS) Indicate which is a pre-emptive scheduling algorithm Round-robin Priority-based All of these Shortest-job-next None of these Round-robin Priority-based All of these Shortest-job-next None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Taskbar is used for Switching between program Start a program Navigation program All of the listed here Switching between program Start a program Navigation program All of the listed here 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? 1 None of these 16 8 1 None of these 16 8 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The instruction register 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 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. ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The operating system of a computer serves as a software interface between the user and peripheral hardware screen memory None of these peripheral hardware screen memory None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is an example of utility? Antivirus Operating system Data recovery Word Antivirus Operating system Data recovery Word ANSWER DOWNLOAD EXAMIANS APP
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