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Disk Operating System (DOS) - Section 1 Multiple Questions and Answers.
| 21. | You suspect a virus has entered your computer. What will not be affected by the virus? | ||
| A. | CMOS | ||
| B. | Boot sector | ||
| C. | Floppy disks | ||
| D. | Program files | ||
| 22. | What is a TSR? | ||
| A. | test status request | ||
| B. | terminate and stay resident program | ||
| C. | take status request | ||
| D. | token set ready | ||
| 23. | Upper Memory blocks are located where? | ||
| A. | Conventional Memory | ||
| B. | Extended Memory | ||
| C. | Expanded memory | ||
| D. | Reserved Memory | ||
| 24. | Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files? | ||
| A. | COM | ||
| B. | BAT | ||
| C. | EXE | ||
| D. | SYS | ||
| 25. | Which of the following commands allows you to make a directory? | ||
| A. | MAKE | ||
| B. | DIR | ||
| C. | MD | ||
| D. | DD | ||
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