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Digital Computer Electronics

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

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

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Digital Computer Electronics
Which function positive logic is equivalent to OR function in negative logic?

None of these
NOT
NOR
OR
AND

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Digital Computer Electronics
Which of the following logic families use bipolar transistors?

TTL
None of these
GaAS
CMOS
NMOS

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Digital Computer Electronics
Conversion of an octal number 1368 to hexadecimal number is

70000000000000000
50000000000000000
5D16
None of these
5A16

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Digital Computer Electronics
Address 200H contains the byte 3FH. What is the decimal equivalent of 3FH

63
38
32
None of these
16

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Digital Computer Electronics
When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.

clock
register
pulse
None of these
transistor

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