2. DATA:DATA ARE SET OF IOSOLATED,UNRELATE,UNINTERPRATED RAW
FACTS.
INFORMATION:INFORMATION REFERS TO MEANINGFULL DATA.IT IS A SET OF
ORGANISED,VALIDATED,CORRECTED AND COLLECTED DATA.

3. →ADDITION OF KNOWLEGDE
→DECISION MAKING AIDS
→INCREASE IN PRODUCTIVITY

4. 1.VALIDITY:-The information should have minimized
uncertainities to be treated as a valid information.
2.MEANINGFULNESS:-It should be meaningful in given
context and for the person concerned.
3.PRECISON:-It should be concise having summarised
relevant data.
4.ACCURACY:-it should try to reach maximum possible
accuracy

5. 1.FORM UTILITIES:-As the form of information more
closely matches the requirements of decision maker , its
value increases.
2.TIME UTILITY:-Information has greater value to the
decision maker if it is available when needed.
3.ACCESSIBILITY:-Information
has greater value if it
can be accessed or delivered easily
4.DECISION MAKING POTENTIAL:-If it provides help
to make an effective decision with minimum cost , time
and effort ,such information ha more value.

6. 1.Physical data concept:-It refers to the manner in which
data is recorded physically on hardware.
2.Logical data concept:-It is the manner in which data are
presented to the application programmer.

7. BYTE:-A byte is a group of eight bits and is used to store a
character.
DATA ITEM:-A data item is a smallest unit of named data.
DATA AGGREGATES:-It is a named collection of data
items within a record and refers to a whole.
RECORD:-A record is a named collection of data items
which represents a complete unit of information.
FILE:-A file is a named collection of all occurence of a
given type of logical record.

8. Factor affecting the way of data are
stored:1.Space saving
2.Minimization of Redundancy
3.Throughput
4.Data volatility
5.File active ratio

9. DEFINITION:-The techniques used to represent and
store the records on a file is referred to as file
organization.
Three fundamental organization techniques are:1.Sequential File organization
2.Direct access file organization.
3.Index file organization.

10. Definition:-It is defined technically as a set of interrelated
components that collect ,process, store , and distribute data
and information and provide a feedback mechanism to
meet an objective

11. Definition:-It is an organizational information system that rely on
computer technology to collect, process, store, and disseminate
information. It is composed of hardware ,software, data
base, telecommunication ,people ,and methods.

12. BUSINESS ORGANIZATION AND
INFORMATION SYSTEM