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Digital Computer Electronics

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

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

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Digital Computer Electronics
The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

chip
None of these
bipolar
universal logic circuit
fanout

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Digital Computer Electronics
Conversion of decimal number 9910 to it's octal number equivalent is

None of these
1248
1198
1218
1438

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

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

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Digital Computer Electronics
Conversion of binary number 11000112 to an octal number is

1438
None of these
1478
1498
1408

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111000
111
111111
None of these

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