Operating System (OS) Which of the following resources must be protected by the operating system? I/O CPU Memory All of these I/O CPU Memory All of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Address Register is a hardware memory device which denotes the location of the current instruction being executed. 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". 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. is a hardware memory device which denotes the location of the current instruction being executed. 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". 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) Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy None of these to balance resource utilization to be fair to obey priorities to be predictable None of these to balance resource utilization to be fair to obey priorities to be predictable ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is/are external commands? Label Sys Edit All of above Label Sys Edit All of above ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which, of the following checks, cannot be carried out on the input data to a system? None of these consistency check All of these Range check Syntax check None of these consistency check All of these Range check Syntax check ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following statement about directories is false? Directories cannot be renamed The root directory is always at the highest level Directories can be deleted Directories can exist inside directories Directories cannot be renamed The root directory is always at the highest level Directories can be deleted Directories can exist inside directories ANSWER DOWNLOAD EXAMIANS APP
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