Q. An 8156 has A₁₅ connected to its CE input. A₁₄ to A₈ are unconnected, and AD₇ to AC₀ are connected ignoring shadows, what are the RAM locations?

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Q. D/A converters are generally

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Q. Is the interrupt-enable flag?

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Q. A universal shift register can shift left or right.

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Q. The high voltage level of a digital signal in positive logic is

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Q. A 7477 decoder drives

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Q. BCD numbers are useful whenever

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Q. The decimal equivalent of ABC₁₆ is

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Q. In parallel in-parallel out shift register all bits are loaded and read simultaneously.

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Q. One XOR gate can work as

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Q. A Charge Couple Device (CCD) is a

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Q. In an R-S latch, race condition occurs when

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Q. The logic operation that will selectively clear bits in register A in those positions where these are 1 's in the bits of register B is given by

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Q. The 2's complement representation of the decimal number -4 is

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Q. The following program starts at location 0100H

L X ISP, 00FF - the content if accumulator
LXIH, 0701 - when the program counter
MVI A, 20 H - reaches 0109 H is

S U BM

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Q. In 8085 microprocessor, what is the length of PC (program counter)?

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Q. In decimal system the base of radix is

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Q. The subtraction of a binary number Y from another binary number X, done by adding the 2's complement of Y to X results in a binary number without overflow. This implies that the result is

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Q. The decimal equivalent of the binary number 10110.0101011101 is

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Q. In standard TTL the totem pole stage refers to

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