1. Distinguish between data and information

Ans: Data is raw facts and figuresE.g. Vishnu, 18, M, 78.9 etcInformation: Meaningful data is known as Information or

Processed data is also known as informationE.g. Vishnu is 18 years old boy and he got 78.9% of marks in his 10th exam.

Q.2.Define Data Processing.

Ans: Data Processing is a group of activities like1. Collecting the

Data2. Sorting the Data 3. Relating the data4. Interpreting the

data5. Computing the

data

To make meaningful information.

E.g. The activities related to make a progress report.

Q.3. Distinguish between

Scientific data Processing and

Commercial data Processing

Ans: Scientific data ProcessingData processing involves a relatively small amount of input data, resulting in a small volume of output.Commercial data Processing

Data processing involves a relatively large amount of input data, resulting in a large volume of output.

Q.4. Define a ComputerAns: Computer is an electronic machine,

which can perform a variety of tasks in accordance with a set of instructions called programs.2 nd Part Q.1Why do we need information?Ans: Information motivates human

actions and contribute effective decision making.Q.2. What are the

Qualities of information?

Ans.1.Validity2. Meaningfulness3. Precision4. Accuracy