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Microprocessor: ADC, DAC interfacing with 8086 and its application
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Microprocessor: ADC, DAC interfacing with 8086 and its application
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25 Questions

1. The device that enables the microprocessor to read data from the external devices is
2. Which of the following phase contain feedback loop in it?
3. In BSR mode, only port C can be used to
4. The chip 74LS245 is
5. While performing read operation, one must take care that much current should not be
6. To avoid loading during read operation, the device used is
7. What is a digital recorder?
8. The signal, SLCT in the direction of signal flow, OUT, indicates the selection of
9. The operation, IOWR (active low) performs
10. Data acquisition systems are not widely used.
11. Which of the following is not one of the phase of total conversion cycle?
12. In 74LS245, if DIR is 1, then the direction is from
13. The mode that is programmed using 'end interrupt/error mode set command'
14. The operation that can be performed on control word register is
15. Port C of 8255 can function independently as
16. In control word format, if RL1=1, RL0=1 then the operation performed is
17. The example of output device is
18. In control word register, if SC1=0 and SC0=1, then the counter selected is
19. The sensor RAM acts as 8-byte first-in-first-out RAM in
20. The FIFO status word is used to indicate the error in
21. Programmable peripheral input-output port is other name for
22. The input and output operations are respectively similar to the operations,
23. The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is
24. Which of the following phase contain feedback loop in it?
25. The port that is used for the generation of handshake lines in mode 1 or mode 2 is

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