Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
consume least electronic power
can be used to make any gate
have lower fabrication area

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Digital Electronics
Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?

Two’s complement and one’s complement only
All three representations
Two’s complement only
Sign and magnitude and one’s complement only

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