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Digital Computer Electronics

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

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

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Digital Computer Electronics
Conversion of binary number 10100002 to an octal number is

None of these
1018
1118
1208
1198

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Digital Computer Electronics
A half-adder adds _____ bits

None of these
2
10
16
8

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

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

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Digital Computer Electronics
Multiplication of 478 by 528 is

(4147)8
(3146)8
(3144)8
(3184)8
None of these

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Digital Computer Electronics
In boolean algebra, the times sign stands for the _____ operation

NAND
OR
NOR
AND
None of these

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