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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 1000112 to an octal number is

None of these
438
498
508
478

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

X + YZ
X + Y + Z
None of these
XY + YZ
XZ + Y

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

1111 0000 1101 0010
1111 1100 1010 1100
None of these
1001 0010 1010 1100
1111 0000 0010 1101

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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.

pulse
clock
transistor
register
None of these

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

XOR
None of these
NOR
NAND
OR

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Digital Computer Electronics
The m-bit parallel adder consists of:

m-1 full adders
(m+1) full adders
m full adders
None of these
m/2 full adders

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