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Digital Computer Electronics

Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

(A+B)+CA+(B+C)
A+BB+A
A+AA
None of these
(B+C)(A.B)+(A.C)

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Digital Computer Electronics
A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

None of these
multiplexer
demultiplexer
encoder
decoder

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Digital Computer Electronics
Conversion of decimal number 7110 to it's binary number equivalent is

None of these
11100112
10001112
1100112
1100112

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Digital Computer Electronics
The Gray code for decimal 7 is

None of these
1011
111
100
101

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Digital Computer Electronics
Conversion of decimal number 6710 to it's octal number equivalent is

1098
1038
1008
None of these
998

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Digital Computer Electronics
The hexadecimal digits are 0 to 9 and A to _____

None of these
E
D
G
F

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