| 11. | The transmit buffer of serial data buffer is a |
| Discuss |
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Answer: (b).parallel-in serial-out register
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| 12. | The receive buffer of serial data buffer is a |
| Discuss |
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Answer: (a).serial-in parallel-out register
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| 13. | The register that provides control and status information about counters is |
| Discuss |
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Answer: (b).TMOD
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| 14. | The register that provides control and status information about serial port is |
| Discuss |
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Answer: (d).PCON and SCON
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| 15. | The device that generates the basic timing clock signal for the operation of the circuit using crystal oscillator is |
| Discuss |
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Answer: (c).oscillator
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| 16. | The registers that are not accessible by the user are |
| Discuss |
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Answer: (d).TMP1 and TMP2
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| 17. | The storage of addresses that can be directly accessed is |
| Discuss |
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Answer: (c).internal data RAM and SFRS
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| 18. | The address register for storing the 16-bit addresses can only be |
| Discuss |
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Answer: (b).data pointer
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| 19. | The addressing mode, in which the instructions has no source and destination operands is |
| Discuss |
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Answer: (b).register specific instructions
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| 20. | The instruction, RLA performs |
| Discuss |
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Answer: (b).rotation of accumulator to left
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