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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

None of these
1011
100
111
101

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Digital Computer Electronics
Digital design often starts by constructing a _____ table.

Truth
Two-stage
Standard
None of these
Two-dinensional

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

6
8
None of these
4
3

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Digital Computer Electronics
What is the ASCII code for T?

None of these
1011010
1011111
1010100
1011100

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Full adder
Parallel adder
None of these
Half adder
Carry-look-ahead adder

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Digital Computer Electronics
A positive AND gate is also a negative

NOR gate
NAND gate
OR gate
AND gate
None of these

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