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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Q. To convert JK flip flop to D flip flop

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Q. Read cycle is always followed by (during instructions execution)

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Q. Semiconductor ROM's are sometimes preferred to semiconductor RAM's because

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Q. RAMs can be built with bipolar or CMOS transistor RAMs that are not possible with bipolar transistors are

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Q. RS latch can be built with

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Q. In D-type FF, Preset (Pr) and clear (Clr) inputs are called

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Q. Which memory is available in all technologies?

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Q. 100101.1011₂ = __________ .

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Q. An XOR gate with 6 variables is as follows A ⊕ B ⊕ C ⊕ D ⊕ E ⊕ F. The number of minterms in the Boolean expression is

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