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Digital Computer Electronics

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

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

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Digital Computer Electronics
Conversion of binary number 10100002 to an octal number is

1208
None of these
1118
1018
1198

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Digital Computer Electronics
With positive clocking the clock signal must be _____ for the flip-flop to respond.

low
None of these
set
race
high

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Full adder
Half adder
Parallel adder
Carry-look-ahead adder
None of these

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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.

register
transistor
clock
None of these
pulse

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

32
38
None of these
16
63

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