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Digital Electronics

Digital Electronics
How many bits are required to store one BCD digit ?

 2
 1
 4
 3

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

 ECL ICs
 TTL ICs
 MOS ICs
 CMOS ICs

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

All of these
 cost
 space requirements
 power requirements

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Equal to the MSB of the original byte
 1
 Complement of the MSB of the original byte
 0

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, OR
 XOR, NOR
 OR, NOR

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Digital Electronics
A half adder has

 1 input and 1 output
 2 inputs and 2 output
 1 input and 2 outputs
 2 inputs and 1 outputs

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