| 25. In BASIC, description comments are put in the source program with the |
| PRINT statement |
| REMARK statement |
| INPUT statement |
| DATA statement |
| 26. Which command is used to display all the files having the (.exe) extension but different filename? |
| Dir filename.* |
| Dir filename.ext |
| Dir *.sys |
| Dir *.ext |
| 27. CHKDSK command is used to |
| Analyze the hard disk error |
| Diagnose the hard disk error |
| Report the status of files on disk |
| All of the above |
| 28. In which year the first operating system was developed |
| 1910 |
| 1940 |
| 1950 |
| 1980 |
| 29. Which command should be used to display all files within the specified subordinate directory of the subdirectory? |
| Dir \ pathname |
| Dir \ pathname\pathname |
| Dir / ch |
| Dir \pathname\filename |
| 30. In communication satellite, multiple repeaters are known as |
| detector |
| modulator |
| stations |
| transponders |
| 31. Which of the following is an advantage to using fiber optics data transmission? |
| resistance to data theft |
| fast data transmission rate |
| low noise level |
| all of above |
| 32. The channel in the data communication model can be |
| ostal mail services |
| elephone lines |
| adio lines |
| ny of the above |
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