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Digital Electronics

Digital Electronics
Extremely low power dissipation per gate can be gained from

 CMOS ICs
 TTL ICs
 ECL ICs
 MOS ICs

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,777
 none
 48,877
 47,877

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 OR
 AND
 NOR
 XOR

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 volume
 cost
 weight

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:2
 1:1
 2:1
 2:3

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

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

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