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Digital Computer Electronics

Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

X + YZ
XZ + Y
None of these
XY + YZ
X + Y + Z

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Digital Computer Electronics
How many outputs signals can a gate have?

more than one
None of these
one
both (a) and (b)
two only

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

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Digital Computer Electronics
Which of the following is not functionally a complete set?

None of these
NOR
AND, OR, NOT
AND, OR
NAND

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Digital Computer Electronics
Standard TTL has a multiple emitter input transistor and a _____ output

None of these
totem-pole
bipolar
transistor
register

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

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

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