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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1438 to its decimal number is

97110
10710
9010
None of these
9910

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Digital Computer Electronics
A half-adder is also known as:

NOR circuit
AND circuit
None of these
NAND circuit
EX-OR circuit

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

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

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Digital Computer Electronics
The 2's compliment of binary number 0.01011 is:

0.101
0.10101
1.101
1.10101
None of these

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Digital Computer Electronics
Conversion of an octal number 478 to its binary number is

1100112
1001112
1100112
11110112
None of these

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Digital Computer Electronics
Conversion of binary number 111112 to an octal number is

378
328
358
428
None of these

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