Communications MCQ Questions

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Which of following consume minimum power?
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SSI Circuits contain individual gates and
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7420 is the
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Serial addition can be done with
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An Open-collector gate can be operated without an external resistor if its output is connected to
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RS flip-flop works on
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In adder-subtractor circuit when addition exceeds from 15 output carry becomes
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D flip-flop is constructed with
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Adder-subtractor operating on mode 1 at (X XOR 1) gives
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Read operation in memory is performed when WE is
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Subtraction of two numbers can be done using
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2x1 multiplexer has
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To start the addition carry flag is
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