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? Upgradability None of these Upward compatibility Upward mobility Universality Upgradability None of these Upward compatibility Upward mobility Universality ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one of the following is not a layer of operating system? Application program Kernel Shell Critical selection Application program Kernel Shell Critical selection ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Multi programming systems ...... Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system Execute more jobs in the same time period Are used only by large mainframe computer Execute each job faster Are easier to develop than single programming system ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following does not occur during the power-on-self-test (POST)? The video card and video memory are tested The scan disk utility begins to run Memory chip are checked to ensure that they are working properly The BIOS identification process occurs The video card and video memory are tested The scan disk utility begins to run Memory chip are checked to ensure that they are working properly The BIOS identification process occurs ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following file menu option saves document to disk? All of above Save Create Rename All of above Save Create Rename ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Object code must be rewritten before execution is the output of compilers, but not assemblers None of these must be "loaded" before execution is ready to execute must be rewritten before execution is the output of compilers, but not assemblers None of these must be "loaded" before execution is ready to execute ANSWER DOWNLOAD EXAMIANS APP