Monday, 18 July 2016

Question About Data and Information

Q1. What is Data? Q2. What are Information? Q3. What is the difference between Data and Information? Ans (1,2 and 3). Data: A ... thumbnail 1 summary

Q1. What is Data?
Q2. What are Information?
Q3. What is the difference between Data and Information?




Ans (1,2 and 3).


Data:


A Collection if raw facts and figures is called data. The word raw means that the facts have not been processed to get their exact meaning. Data is given to the Computer for processing. Data is collected from different sources. It is collected for different purposes. Data may consist of Numbers, Characters, Symbols or Pictures etc.


Examples of Data:


Some example of data are as follows



  • Student fill an admission form when they get admission in college. The form consists of raw facts about the students. These raw facts are student's name, father name, address etc. The purpose of collecting this data is to maintain the records of the students during their study period in the college.
  • Governments collect the data of all citizens of the country during the census. This data is stored permanently and is used for different purposes at different times,
  • Different organizations conduct surveys to know the opinion of the people about their products. In these surveys, people express their ideas and opinions about different issues. These ideas and opinions of the people are stored as data. The organizations use this data for the improvements of their products etc.



Information:


The processed data is called information. Information is an organized and processed form of data. It is more meaningful than data and is used for making decisions. Data is used as input for the processing and information is the output of this processing. This information can be used again in some other processing and will be considered as data in that processing.
For example, the marks of a student in different subjects is data. This data is used to calculate the total marks which is the information, The total marks can be processed again to calculate the average marks of a student. In this processing, total marks is used as data and average marks is the information.


Examples of Information:


Some examples of information is as follows:



  • In Colleges and Universities, the raw facts about students are stored on admission forms. If we want to find out a list of all students who live in New York, we will apply some processing on this data. This processing will give us the desired list. This list is a form of processed data and will be called information.
  • The stored data in the census is used to generate different type of information. For example, Government can use it to find the total number of graduates, or literacy rate in the country etc. The information is obtained by processing the data. Government can use the information in important decisions to improve literacy rate.
  • An organization can use the opinion of the people as data and process it to generate information of its interests. For example, it can know that how many people of the country are satisfied with the quality of its product and how many are unsatisfied. The organization can use this information for the improvement of its products.

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