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Digital Computer Electronics

Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

8C
None of these
9E
AF
All of these

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Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

A+BC
AC+B
AB+AC
A+B+C
None of these

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Digital Computer Electronics
Conversion of an octal number 1068 to binary number is

10001102
100001102
11100102
11001102
None of these

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

m-1
m/2
m+1
None of these
m

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Digital Computer Electronics
The 2-input XOR gate has a high output only when the input bits are _____

different
even
low
None of these
high

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

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

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