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Digital Electronics

Digital Electronics
(1D)16 in BCD 8421 code is

 00011101
 00100100
 00101001
 00011111

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 OR
 NOR
 NAND
 none of these

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is added
 0011 is subtracted
 0110 is subtracted
 0011 is added

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+yz
 x+y
 x+xyz
 y+xz

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 4
 3 × 4
 8 × 8
 3 × 8

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Digital Electronics
An EPROM is

 erasable but not programmable
 volatile
 non erasable
 programmable and erasable

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MORE MCQ ON Digital Electronics

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