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Digital Computer Electronics

Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 . x = 1
None of these
1 + A = 1
A + A = A
0 + A = A

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Digital Computer Electronics
_____is an abbreviation for binary digit.

base
bit
bingit
0 and 1
None of these

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

NOR
XOR
AND
XAND
None of these

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Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

T flip-flop
None of these
All of these
SR flip-flop
master slave JK flip-flop

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

XOR
NAND
NOR
OR
None of these

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Digital Computer Electronics
Addition of 1101012 and 1011112 is

11010002
1100112
11101112
None of these
11001002

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