Operating System (OS) Poor response times are caused by None of these Any of the above High paging rates Processor busy High I/O rate None of these Any of the above High paging rates Processor busy High I/O rate ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into groups None of these sectors periods zones groups None of these sectors periods zones ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the key is used to close the active window? Alt+F4 Ctrl+F5 Alt+F6 Ctrl+F4 Alt+F4 Ctrl+F5 Alt+F6 Ctrl+F4 ANSWER DOWNLOAD EXAMIANS APP
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) How can you optimize performance of your computer? Scan for virus All of above Defrag disk Delete unused files Scan for virus All of above Defrag disk Delete unused files ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Use of icons and windows are characteristics of ....... interface Windows orientated Menu driven Command driven Graphical user Windows orientated Menu driven Command driven Graphical user ANSWER DOWNLOAD EXAMIANS APP
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