Q. In the I/O mode, the 8255 ports work as

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Q. In BSR mode, only port C can be used to

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Q. The feature of mode 0 is

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Q. The strobed input/output mode is another name of

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Q. If the value of the pin STB (Strobe Input) falls to low level, then

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Q. The signal, SLCT in the direction of signal flow, OUT, indicates the selection of

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Q. The pulse width of the signal INIT at the receiving terminal must be more than

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Q. The level of the signal ERROR(active low) becomes ‘low’ when the printer is in

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Q. The signals that are provided to maintain proper data flow and synchronization between the data transmitter and receiver are

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Q. The feature of mode 2 of 8255 is

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Q. The time taken by the ADC from the active edge of SOC(start of conversion) pulse till the active edge of EOC(end of conversion) signal is called

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Q. The popular technique that is used in the integration of ADC chips is

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Q. The procedure of algorithm for interfacing ADC contain

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Q. Which is the ADC among the following?

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Q. The conversion delay in a successive approximation of an ADC 0808/0809 is

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Q. The number of inputs that can be connected at a time to an ADC that is integrated with successive approximation is

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Q. ADC 7109 integrated by Dual slope integration technique is used for

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Q. Which of the following is not one of the phases of the total conversion cycle?

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Q. Which of the following phase contain feedback loop in it?

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Q. In the signal integrate phase, the differential input voltage between IN LO(input low) and IN HI(input high) pins is integrated by the internal integrator for a fixed period of

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