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Digital Electronics

Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 7
 8
 16
 32

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 6
 8
 4
 2

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

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Digital Electronics
What is the gray code for the binary 101011?

 111110
 101011
 011111
 110101

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Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 00100100
 00110110
 01100011

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

 coder
 code decoder
 code encoder
 code converter

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