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Digital Electronics

Digital Electronics
A device which converts 2421 code into 8421code is called a

 code encoder
 coder
 code converter
 code decoder

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Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 PROM
All of these
 ROM
 EAROM

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1000
 1001
 1100
 0011

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Digital Electronics
16’s complement of BABA is?

 4446
 4544
 4546
 4445

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 essential prime implicants
 prime implicants
 implicants
 selective prime implicants

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 32 × 32
 5 × 32
 32 × 10
 10 × 32

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