Q. An 8-bit microprocessor has 16 bit address bus A₀ - A₁₅. The processor addresses a 1-K byte memory chip as shown. The address range for the chip is

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Q. The circuit shown in the figure is a

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Q. For the circuit shown in the figure, what is the frequency of the output Q?

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Q. Figure shows three pulse train inputs to a 3-input OR gate. Assuming positive logic, the output pulse rate train in figure (b) would be

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Q. For the switch circuit, taking open as 0 and closed as 1, the expression for the circuit is Y. Y is given by

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Q. If number of bits is N, the % resolution in analog to digital conversion is

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Q. Examine the following truth table. The product of sum from this truth table is

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Q. The circuit shown in figure converts

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Q. What is the direction of address bus?

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Q. The logic circuit of the given figure realizes the function

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Q. For the given truth table, the correct Boolean expression is

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Q. The generic microprocessor contains a zero and a carry flag. These are located on the
The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

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Q. The open collector gates in the given figure are tied together. The output Y =

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Q. The dual of the function A(B̅C + BC + BC̅) is

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Q. For the shaded area in Venn diagram of the given figure, the Boolean expression is

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Q. What is the direction of control bus?

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Q. How many zone bits are there?

The 8156 of a figure has RAM locations from 2000 H to 20 FFH.

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Q. The contents of stack location 2109 H after the call operation will be

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Q. For the logic circuit shown in figure, the simplified Boolean expression for the output Y is

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Q. In the given figure assume that initially Q = 1 with Clock Pulses being given, the subsequent states of Q will be

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