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Microprocessor and Interfacing Technique Practice Test
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Microprocessor and Interfacing Technique Practice Test
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25 Questions

1. in ...., bidirectional data transfer is possible
2. 80386 has – BIT data bus?
3. executed:
4. The register which contains the data to be written into or read out of the addressed location is called
5. The structure of the stack is type structure:
6. 8253/54 timers can be programmed in..-modes
7. ADC 0808 operates on single .... power supply
8. In 8086 the following has the highest priority among all the interrupts
9. The cache usually gets its data from the _____________ whenever the instruction or data is required by the CPU:
10. the signals provided by ADC are
11. To indicate end of conversion ADC 0808/0809 ACTIVATES ....-SIGNAL
12. Conversion time of ADC 0808 IS
13. IBF is an active........ output signal for 8255
14. Flash ADC consist of….converters
15. Asynchronous serial communication involves transmission of
16. The pin configuration of 8086 is available in the :
17. ALE stand for:
18. ADC 0808 is ....- pin IC
19. Which is the small amount of high- speed memory used to work directly with the microprocessor:
20. How many bit stored by status register:
21. SBA stand for:
22. 8253/54 has c....command that allows the user to check the count value programmed mode and current status of the counter
23. The register which holds the address of the location to or from which data are to be transferred is called
24. The device which is used to connect a peripheral to bus is called
25. Asynchronous serial communication involves

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