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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1100112
None of these
1100112
11110112
1001112

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

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

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

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

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Digital Computer Electronics
Express 8192 in K units.

8K
8.192 k
None of these
8 x 103 K
All of these

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

G
D
None of these
E
F

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Digital Computer Electronics
Computer ICs work reliably because they are based on _____ design.

Top-bottom
System
Two-stage
None of these
Two-states

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