Operating System (OS) IBM released its first PC in 1981. Can you name the operating system which was most popular at that time? CP/M MS-DOS PC-DOS None of these OS/360 CP/M MS-DOS PC-DOS None of these OS/360 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Access time is the highest in the case of swapping devices None of these cache floppy disk magnetic disk swapping devices None of these cache floppy disk magnetic disk ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is the extension of WordPad? .ppt .rtf None of above .xls .ppt .rtf None of above .xls ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not a system tool ? Doskey Scandisk Disk defragment Drive space Doskey Scandisk Disk defragment Drive space ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one of the following is not a layer of operating system? Critical selection Kernel Application program Shell Critical selection Kernel Application program Shell ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Addressing structure performs indicated operations on two fast registers of the machine and leave the result in one of the registers. defines the fundamental method of determining effective operand addresses None of these All of these are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing. performs indicated operations on two fast registers of the machine and leave the result in one of the registers. defines the fundamental method of determining effective operand addresses None of these All of these are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing. ANSWER DOWNLOAD EXAMIANS APP
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