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Digital Computer Electronics

Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

10010111102
1101000012
None of these
11110000012
11110111112

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

binary level transition period
propagation delay
rise time
decay time
None of these

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Digital Computer Electronics
A half-adder adds _____ bits

10
8
16
None of these
2

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Digital Computer Electronics
For an input pulse train of clock period T, the delay produced by an n stage shift register is

(n+l)T
nT
2nT
(n-l)T
None of these

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Digital Computer Electronics
A byte is consist of _____ bits

eight
None of these
four
ten
two

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

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

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