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Digital Electronics

Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 8
 9
 6

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Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 DRAM
 SRAM
 None
 Both SRAM and DRAM

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

 weight
 volume
 cost
 size

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Digital Electronics
Four ROM chips of 16 × 4 size have their address buses connected together. This system will be of size

 64 × 4
 256 × 1
 32 × 8
 16 × 16

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Digital Electronics
The universal gate is ___________

AND gate
OR gate
NAND gate
None of these

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 2.
 none
 both are same
 1.

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