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Digital Computer Electronics

Digital Computer Electronics
The output of the following gate is 1 only if at least one of its inputs is 0.

None of these
NOR gate
AND gate
NAND gate
OR gate

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

1 half-adders, 15 full-adders
4 half-adders, 12 full-adders
16 half-adders, no full-adders
None of these
8 half-adders, 8 full-adders

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Digital Computer Electronics
The 1's compliment of binary number 11010 is:

101
None of these
110
10
11101

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Digital Computer Electronics
Which of the following logic expression is wrong?

None of these
1 + 1=0
1+0+1 = 1
1 + 1 + 1 = 1
1 + 0=1

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Digital Computer Electronics
The leading bit stands for the _____ and the remaining bits for the _____ is known as signed binary numbers.

variable, value
None of these
value, sign
sign, magnitude
sign, remainder

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

358
378
328
None of these
428

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