Digital Computer Electronics
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.

sign, hexa
negative, positive
hexa, sign
None of these
positive, negative

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Digital Computer Electronics
What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?

higher operating speed than bipolar circuits
fewer power supply connections are required with MOS ICs
None of these
system designers are more familiar with MOS circuitary
much greater complexity (more components) than bipolar circuits : better economy

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