Number Systems – 24

5555555555

24. The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:

(a) increase ripple delay
(b) add a 1 to complemented inputs
(c) reduce propagation delay
(d) determine sign and magnitude

Answer

Answer : (c)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Arithmetic Circuits – 10
Arithmetic Circuits » Exercise - 110. The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits : (a) add a 1 to complemented inputs (b) increase ripple delay (c) reduce propagation delay (d) determine sign and magnitude
Tags: circuits, carry, delay, magnitude, sign, determine, propagation, reduce, ripple, inputs
Combinational Circuits - 128
5555555555128. Fast-look-ahead carry circuits found in most 4-bit full-adder circuits: (a) determine sign and magnitude (b) reduce propagation delay (c) add a 1 to complemented inputs (d) increase ripple delay
Tags: circuits, delay, ripple, increase, inputs, complemented, add, propagation, reduce, magnitude
Combinational Circuits - 48
555555555548. A half-adder does not have ________. (a) carry in (b) carry out (c) two inputs (d) all of the above
Tags: carry, circuits, inputs, electronics, engineering
Number Systems - 93
555555555593. What is the decimal value of the hexadecimal number 777? (a) 191 (b) 1911 (c) 19 (d) 19111
Tags: number, systems, electronics, engineering
Number Systems - 98
555555555598. Convert the following hexadecimal number to binary. 14B16 (a) 1011010000012 (b) 0001010010112 (c) 0001010011012 (d) 1101010000012
Tags: number, systems, electronics, engineering

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