Operating System (OS) Which of the following command is used to switch between the window programs? None of these Alt+Tab Alt+F4 Ctrl+Tab None of these Alt+Tab Alt+F4 Ctrl+Tab ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is dispatch latency ? The time taken by the processor to write a file into disk The time taken by the dispatcher to stop one process and start another None of the listed here The whole time taken by all processor The time taken by the processor to write a file into disk The time taken by the dispatcher to stop one process and start another None of the listed here The whole time taken by all processor ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) How can you optimize performance of your computer? Delete unused files All of above Scan for virus Defrag disk Delete unused files All of above Scan for virus Defrag disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The most common security failure is insufficient technology used to prevent breaches depending on passwords too much emphasis on preventing physical access carelessness by users None of these insufficient technology used to prevent breaches depending on passwords too much emphasis on preventing physical access carelessness by users None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The Memory Address 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 group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. contains the address of the memory location that is to be read from or stored into. is a hardware memory device which denotes the location of the current instruction being executed. None of these 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. contains the address of the memory location that is to be read from or stored into. 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) Which of the following is the extension of WordPad? None of above .xls .rtf .ppt None of above .xls .rtf .ppt ANSWER DOWNLOAD EXAMIANS APP
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