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Disk Operating System (DOS) - Section 3 Multiple Questions and Answers.
| 27. | Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory? | ||
| A. | COPY a: *.TXT | ||
| B. | COPY *.TXT A: | ||
| C. | COPY *.TXT C: | ||
| D. | COPY *.TXT ALL.TXT | ||
| 28. | While working with MS-DOS, which command is used to switch to the monochrome display from color display? | ||
| A. | MODE BLACK | ||
| B. | MODE B/W | ||
| C. | MODE MONO | ||
| D. | MODE CO40 | ||
| 29. | Which two commands enable you to move between directories? | ||
| A. | CD | ||
| B. | CHDIR | ||
| C. | MOVE | ||
| D. | MOVE DIR | ||
| 30. | The autoexec.bat configuration file | ||
| A. | Is run after config.sys on system boot-up | ||
| B. | Contains all windows configuration files | ||
| C. | Is also known as config.sys | ||
| D. | Checks for system polarity | ||
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