digital pricipals and system design

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEEING

               TWO MARK QUESTIONS WITH ANSWERS

                              (For ALL units) 

                                 SUBJECT

NAME : DIGITAL SYSTEMS SUBJECT 

CODE : CS1202CLASS : S3 (B.E) CSE

   

1.Define the term digital.

The term digital refers to any process that is accomplished using discreteunits

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 byte?

A group of 8 bits.

5.List the number systems?

i) Decimal Number system
 ii) Binary Number system 
iii) Octal Number system 
iv) Hexadecimal Number system

6.State the sequence of operator precedence in Boolean expression?

i) Parenthesis 
ii) AND 
iii) OR

7.What is the abbreviation of ASCII and EBCDIC code?

ASCII-American Standard Code for Information Interchange.
EBCDIC-Extended Binary Coded Decimal Information Code.

8.What are the universal gates?

NAND and NOR

9.What are the different types of number complements?

i) rs Complement

ii) (r-1) s Complement.

10.Why complementing a number representation is needed?

Complementing a number becomes as in digital 
computer for simplifying thesubtraction operation and for 
logical manipulation complements are used.

11.How to represent a positive and negative sign in computers?

Positive (+) sign by 0Negative (-) sign by 1.

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