Q. In 8085 microprocessor, what is the length of temporary register?

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Q. A Read/Write memory chip has a capacity of 64 k bytes. Assuming separate data and address line and availability of chip enable signal, what is the minimum number of pins required in the IC chip?

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Q. SSI refers to ICs with

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Q. In 8085, TRAP is

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Q. The simplest register is

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Q. The hexadecimal number 5 F is equal to binary number

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Q. Which of the following methods is used for solving differential equations numerically?

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Q. Some ADCs are

1. Parallel
2. Updown
3. Single slope
4. Dual slope
5. Successive approximation
6. Stair step

Out of above which ones do not use DAC?

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Q. As compared to TTL, ECL has

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Q. A 16-megabit dynamic random access memory (DRAM) is an integrated circuit capable of storing __________ characters (bytes).

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Q. Decimal number 5436 when converted into 9's complement will become

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Q. What is output 'Z' of an EX-OR gate, whose all inputs are set at A?

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Q. Minimum number of J-K flip-flop needed to construct a BCD counter is

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Q. The following switching functions are to be implemented using a decoder

1. f1 = ∑m (1, 2, 4, 8, 10, 14)
2. f2 = ∑m (2, 5, 9, 15)
3. f3 = ∑m (2, 4, 5, 6, 7)

The minimum configuration of decoder is

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Q. TTL circuit with active pull up is preferred because of its suitability for

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Q. A parity check usually can detect

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Q. Which of the following is 'synchronous'?

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Q. TRAP is __________ whereas RST 7.5, RST 6.5, RST 5.5 are __________ .

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Q. For a binary half subtractor having two inputs A and B the correct sets of logical expressions for the outputs D (A - B) and X = Borrow are

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Q. What is the gray code word for EX-OR the binary number 101011?

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