Digital Electronics 2 mark Question & Answer for Unit-I

1. Define Digital Systems.
A system which processing discrete or digital signal is called as Digital System.

 2. What is meant by bit?
A binary digit is called bit.

3. What is the best example of digital system?
 Digital computer is the best example of a digital system.

 4. Define Radix.
It specifies the number of symbols used for corresponding number system.

5. Define Nibble,Byte and word.
 i). In binary number a group of four bits. ii). A group of 8 bits are called Byte. iii). A group of 16 bits or 4 nibble are called word.

6. List the number systems?
 i) Decimal Number system ii) Binary Number system iii) Octal Number system iv) Hexadecimal Number system
 7. Define binary logic?
Binary logic consists of binary variables and logical operations. The variables are designated by the alphabets such as A, B, C, x, y, z, etc., with each variable having only two distinct values: 1 and 0. There are three basic logic operations: AND, OR, and NOT.


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