7/17/2012 09:39:00 PM
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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
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
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.
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.
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.
