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Digital Computer Electronics

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

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

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Digital Computer Electronics
Conversion of an octal number 738 to binary number is

1100102
1101112
None of these
1111002
1110112

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Digital Computer Electronics
Multiplication of 478 by 528 is

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

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Digital Computer Electronics
ASCII and EBCDIC differ in

their efficiency in storing data
None of these
their collecting sequences
the number of bytes used to store characters
the random and sequential access method

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Digital Computer Electronics
Cyclic codes are used in

arithmetic and logical computation
continuously varying signal representation
None of these
data transfer
All of these

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Digital Computer Electronics
How many outputs signals can a gate have?

one
more than one
both (a) and (b)
None of these
two only

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