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Digital Electronics

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

 code converter
 code decoder
 coder
 code encoder

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Digital Electronics
NAND. gates are preferred over others because these

provide maximum density in a chip.
can be used to make any gate
consume least electronic power
have lower fabrication area

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Digital Electronics
Which one of the following is correct sequence of the numbers represented in the series(2)3, (10)4, (11)5, (14)6, (22)7,…………….

 2, 4, 6, 10, 12, …
 2, 4, 6, 10, 16……..
 2, 4, 6, 8, 10, …..
 2, 3, 4, 5, 6, ….

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Reprogrammable
None of these
 Mask programmable
 One-time programmable

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Digital Electronics
The parity of the binary number 11011001 is

 same as the number of zeros
 not known
 odd
 even

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Digital Electronics
A group of four bits is known as

 Bit
 Byte
 Nibble
 Word

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