81. Which command is used to copy files? |
| Copy |
| Diskcopy |
| Type |
| All of the above |
82. Copy and Xcopy are same in the sense |
| Both are internal command of DOS |
| Both are external commands of DOS |
| Both can be used to copy file or group of files |
| Both a and b |
83. A band is always equivalent to |
| a byte |
| a bit |
| 100 bits |
| none of above |
84. The receive equilizer reduces delay distortions using a |
| apped delay lines |
| earshift |
| escrambler |
| ifference engine |
85. An example of an analog communication method is |
| laser beam |
| microwave |
| voice grade telephone line |
| all of the above |
86. Which keys can be pressed quit without saving in DOS |
| Ctrl + A |
| Ctrl + B |
| Ctrl + C |
| Ctrl + D |
87. All of the following are disadvantage of RPG except: |
| it is a very machine dependent language |
| it is very limited in scope |
| is not suited for complex problems requiring extensive programming logic |
| it has larger storage requierments |
88. A stack pointer is |
| a 16-bit register in the microprocessor that indicate the beginning of the stack memory. |
| a register that decodes and executes 16-bit arithmetic expression. |
| The first memory location where a subroutine address is stored. |
| a register in which flag bits are stored |
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