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Digital Electronics

Digital Electronics
A group of four bits is known as

 Word
 Bit
 Nibble
 Byte

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 octal
 ASCII
 natural BCD
 hexadecimal

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Digital Electronics
NAND. gates are preferred over others because these

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

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Digital Electronics
To get an excess-3 code from BCD code

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

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Digital Electronics
In LSI, the number of gate circuits per chip is

 100 to 9,999
 1000 to 10,000
 < 10,000
 100 to 999

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Digital Electronics
A + Ā is equal to

 0
 Ā
 1
 A

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MORE MCQ ON Digital Electronics

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