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Digital Electronics

Digital Electronics
A hexadecimal odometer displays F 52 F. The next reading will be

G52F
F53F
F53O
F52E

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 AND
 NAND
 NOT
 OR

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 unstable state
 trigger
 tri-state
 inverter

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Digital Electronics
The binary code of (21.125)10 is

10101.01
10100.001
10100.111
10101.001

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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

 none
 2.
 both are same
 1.

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

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

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