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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic families use bipolar transistors?

GaAS
NMOS
None of these
TTL
CMOS

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Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

encoder
demultiplexer
decoder
None of these
multiplexer

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's or 1's
0's
None of these
1's
0's and 1's

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

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

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

1100112
11110112
1001112
None of these
1100112

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Digital Computer Electronics
Conversion of an octal number 74328 to a binary number is

11110001101112
1111111110002
1111000110102
None of these
1100110101112

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