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Digital Computer Electronics

Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

None of these
gray code
algebraic code
8421 code
excess 3 code

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Digital Computer Electronics
A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.

None of these
gate
All of these
bus
wire

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Digital Computer Electronics
The Gray code for decimal 7 is

100
None of these
101
111
1011

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Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

master slave JK flip-flop
SR flip-flop
None of these
All of these
T flip-flop

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Digital Computer Electronics
Which of the following logic expression is wrong?

1+0+1 = 1
1 + 0=1
1 + 1=0
None of these
1 + 1 + 1 = 1

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

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

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