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DISK OPERATING SYSTEM MCQs

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1. In computer, operating system is important ________





2. To perform an operation in DOS, the user uses a ________





3. In path, the ________ symbol is used





4. In switch, the ________ symbol is used





5. The ________ command is used to display current date on Command Prompt





6. The ________ command is used to display current time on Command Prompt





7. The ________ command is used to clear the contents on Command Prompt screen





8. The example of internal commands are





9. The example of external commands are





10. ________ is a space in hard disk where users can store and organize files





11. In DOS which command is used to copy only files?





12. How many files will be copied after this command: COPY .





13. Which wildcard is used for alternative of unlimited characters?





14. DEL command is used to delete





15. To create new directory ________ command is used





16. Which command is used to change directory?





17. File extension of Batch file is





18. ________ command is used to open DOS Editor





19. The internal commands of DOS are part of ________ file





20. After entering a DOS command the ______ key is used to see the command impact





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