65. DIR command is used to |
| Display a list of files in a directory |
| Display contents of files in directory |
| Display type of files in a sub directory |
| All of above |
66. A computer program that converts an entire program into machine language at one time is called a/an |
| interpreter |
| simulator |
| compiler |
| commander |
67. Which command displays comma for thousand separating on file size while listing? |
| Dir/w |
| Dir/s |
| Dir/b |
| Dir/c |
68. Only filenames and extensions are to be displayed in wide format, which command you’ll use? |
| Dir/w |
| Dir a: |
| Dir/s |
| Dir/b |
69. Which of the following transmission systems provide the highest data rate to in individual device? |
| omputer bus |
| elephone lines |
| oice and mode |
| ease lines |
70. While transmitting odd-parity coded symbols, the number of zeros in each symbol is |
| odd |
| even |
| a and b both |
| unknown |
71. While working with MS-DOS, which command is used to copying the files to transfer from one PC to another one? |
| Rename |
| Path |
| Dir |
| Copy |
72. In the evaluation of a computer language, all of the following characteristics should be considered except? |
| application oriented features |
| efficiency |
| readability |
| hardware maintainance costs |
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