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Digital Computer Electronics

Digital Computer Electronics
The m-bit parallel adder consists of:

m/2 full adders
(m+1) full adders
m full adders
m-1 full adders
None of these

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Digital Computer Electronics
Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH

63
32
None of these
38
16

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

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Digital Computer Electronics
The dynamic race hazard problem occurs in

combinational circuits only
sequential circuits only
both combinational and sequential circuits
none of the combinational and sequential circuits
None of these

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Digital Computer Electronics
Which of the following is not true?

0 x 1 = 1
1 x 1 = 1
1 x 0 = 0
None of these
0X0 = 0

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

bytes, high
character, low
bytes, low
None of these
words, high

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