Operating System (OS) Which key deletes text before, or to the left, of the insertion point? PageUp BackSpace PageDown Delete PageUp BackSpace PageDown Delete ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands? auto decrement auto increment None of these indirect addressing index addressing auto decrement auto increment None of these indirect addressing index addressing ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is the extension of WordPad? .rtf .xls None of above .ppt .rtf .xls None of above .ppt ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The primary purpose of an operating system is to: None of these make the most efficient use of the hardware keep system programmers employed make computer easier to use allow people to sue the computers None of these make the most efficient use of the hardware keep system programmers employed make computer easier to use allow people to sue the computers ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The primary job of the operating system of a computer is to provide utilities command resources None of these be user friendly manage resources provide utilities command resources None of these be user friendly manage resources ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The dispatcher None of these never changes task priorities puts tasks in I/O wait actually schedules the tasks into the processor is always small and simple None of these never changes task priorities puts tasks in I/O wait actually schedules the tasks into the processor is always small and simple ANSWER DOWNLOAD EXAMIANS APP
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