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Digital Computer Electronics

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

encoder
multiplexer
None of these
demultiplexer
decoder

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

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

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Digital Computer Electronics
The radix of the binary number is:

1
10
None of these
2
3

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

504.771
90.987
640.781
None of these
815.234

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

None of these
9910
97110
10710
9010

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Digital Computer Electronics
Consider as RS flip-flops with both inputs set to 0. If a momentary '1' is applied at the input S, then the output

Q will flip from 0 to 1 and then back to 0
Q will flip from 0 to 1
Q will flip from 0 to 1 and then back to 0
None of these
Q will flip from 0 to 1

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