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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

32
128
None of these
16
64

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Digital Computer Electronics
A binary adder is a logic circuit that can add _____ binary numbers at a time.

None of these
Two
Thousands
One
Hundreds

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Digital Computer Electronics
A full-adder adds _____ bits, and producing a SUM and a _____

16, DIVIDE
8, SUBTRACTION
3, CARRY
All of these
None of these

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Digital Computer Electronics
Conversion of binary number 1011012 to hexadecimal is

20000000000000000
2D16
2716
None of these
3716

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Digital Computer Electronics
With a NAND latch a low R and a low S produce a _____ condition.

None of these
race
no change
reset
set

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Digital Computer Electronics
A shift register moves the _____ left or right. Serial loading means storing a word in a shift register by entering _____ bit per clock pulse. With parallel or broadside loading, it takes only one _____ pulse to load the input word.

bits, one, register
None of these
light, eight, clock
bits, one, clock
right, eight, clock

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