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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0110 is subtracted
 0011 is subtracted
 0110 is added
 0011 is added

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 All have same speed.
 TTL.
 RTL.

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Digital Electronics
The set of which logic gates is designated as universal gate?

  NOR , NAND.
 XNOR, NOR, NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.

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Digital Electronics
Boolean algebra is also known as

 Transistor algebra
 Switching algebra
 Counting algebra
 Gate algebra

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 3
 1
 4
 2

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1101
 0100 1110 0010 1101
 0101 1111 0010 1100
 0100 1111 0010 1100

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