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Digital Computer Electronics

Digital Computer Electronics
Which of the following is a universal gate?

AND
None of these
EX-OR
NAND
OR

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

-1.75 and -0.9 V
None of these
0.9 and 1.75V
0.1 and 5 V
0.6 and 3.5 V

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Digital Computer Electronics
Conversion of binary number 10100002 to an octal number is

1018
None of these
1198
1118
1208

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

All of these
bit
byte
nibble
None of these

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

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

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Digital Computer Electronics
Binary means _____

Three
Two
Four
None of these
Ten

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