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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

100
1011
111
101
None of these

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Digital Computer Electronics
What is the 2's complement of 0011 0101 1001 1100 number?

None of these
1100 1010 0110 0100
1100 1010 1100 1011
1100 1010 0110 0011
1100 1010 1111 1111

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Digital Computer Electronics
A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as

encoder
multiplexer
demultiplexer
None of these
decoder

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

None of these
algebraic code
gray code
excess 3 code
8421 code

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

1111000110102
1100110101112
None of these
11110001101112
1111111110002

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

hexadecimal
decimal
None of these
binary
ASCII

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