57. Which of the following registers is used to keep track of address of the memory location where the next instruction is located? |
| Memory Address Register |
| Memory Data Register |
| Instruction Register |
| Program Register |
58. Data communications monitors available on the software marked include |
| ENVIRON/1 |
| TOTAL |
| BPL |
| Telnet |
59. Which of the following statement is correct? |
| terminal section of a synchronous modem contains the scrambler |
| receiver section of a synchronous modem contains the scrambler |
| transmission section of a synchronous modem contains the scrambler |
| control section of a synchronous modem contains the scrambler |
60. The loss in signal power as light travels down the fiber is called |
| attenuation |
| progragation |
| scattering |
| interruption |
61. In immediate addressing the operand is placed |
| in the CPU register |
| after OP code in the instruction |
| in memory |
| in stack |
62. Microprocessor 8085 can address location upto |
| 32K |
| 128K |
| 64K |
| 1M |
63. The transmission signal coding method of TI carrier is called |
| Bipolar |
| NRZ |
| Manchester |
| Binary |
64. DEL command is used to |
| Delete files |
| Delete directory |
| Delete labels |
| Delete contents of file |
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