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Digital Electronics

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

 CMOS ICs
 ECL ICs
 TTL ICs
 MOS ICs

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 –1.5 V and – 0.5 V
 5 V and 0 V
 1 V and 5 V
 0 V and 5 V

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
 (1000 0111 1110).
  (1000 1011 0111).
 (1011 0111 1000).

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 AND gates
 NAND gates
 NOR gates
 X-OR gates

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001100
 00000011
 01110011
 00001000

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 1, B = 1, C = 1
 A = 0, B = 0, C = 0
 A = 1, B = 0, C = 1

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