Operating System (OS) The primary purpose of an operating system is: To allow people to use the computer To keep systems programmers employed To make computers easier to use To make the most efficient use of the computer hardware To allow people to use the computer To keep systems programmers employed To make computers easier to use To make the most efficient use of the computer hardware ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) When did IBM release the first version of disk operating system DOS version 1.0? 1984 1981 1983 None of these 1982 1984 1981 1983 None of these 1982 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To properly exit windows None of the listed here Click the stop button on the desktop Select shut down from Start menu Clike the exit button on the desktop None of the listed here Click the stop button on the desktop Select shut down from Start menu Clike the exit button on the desktop ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Indicate which is a pre-emptive scheduling algorithm None of these Shortest-job-next All of these Priority-based Round-robin None of these Shortest-job-next All of these Priority-based Round-robin ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) You can add or remove program Delete the shortcut icon from desktop Both A and B None of Above Add / Remove program from control panel Delete the shortcut icon from desktop Both A and B None of Above Add / Remove program from control panel ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called? Universality None of these Upgradability Upward compatibility Upward mobility Universality None of these Upgradability Upward compatibility Upward mobility ANSWER DOWNLOAD EXAMIANS APP
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