Q. In order to enable RST 5.5, RST 6.5 and RST 7.5 interrupts, which of the following instructions are needed?

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Q. Digital technologies being used now-a-days are

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Q. A seven bit code (even parity) 1111101 may have error. The correct code is

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Q. A/D parallel converter is also called flash converter.

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Q. Square root of 4 is

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Q. Schmitt trigger can be used as a

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Q. Most of the digital computers do not have floating-point hardware because

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Q. The number of FF required for a divide by 12 circuit is

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Q. In sign magnitude numbers,

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Q. Consider the following statements: A multiplier

1. selects one of the several inputs and steers it to the output
2. routes the data from a single input to many outputs
3. converts parallel data into serial data
4. is a combinational circuit

Of the above statements which are correct?

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Q. In the full adder, denoting Sum by S and carry by C

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Q. Each term in POS form is called max terms.

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Q. When signed numbers are used in binary arithmetic, which of the following has unique representation for zero?

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Q. Which of the following characteristics is not true for TTL Logic?

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Q. In 8085 microprocessor, an interrupt service request is serviced

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Q. Which interrupts are masked?

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Q. Assertion (A): A high density IC has more diodes, transistors and resistors per unit surface area.

Reason (R): A high density IC can handle high voltages.

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Q. CMOS is extensively used in

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Q. Four MSI TTL 4-bit ripple counters are cascaded to form a 16-bit binary counter. Its propagation delay is about __________ nanoseconds.

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Q. The Boolean function A + BC is reduced form of

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