Data, limitations of computer?

 

 What is Data? Write the differences between Data and Information?            

Answer: A primary collected knowledge which is not arrangediscalled data. In computer science, data is anything in a form suitable for use with a computer Data is a raw material for solving a particular problem. Data can be collected in non-sequencedform. It is the combination of character number and symbols collected fora specificpurpose. Distinct pieces of information usually formatted in a special way. All software is divided into two general categories: data and programs. Programs are collections of instructions for manipulating data.

Difference between data information:

 

Data	Information
Data is raw, unorganized facts that need to When data is processed, organized be processed. Data can be something structured or presented in a given context simple and seemingly random and useless so as to make it useful, it is called until it is organized.	Primary collected knowledge which is not Which data are arranged and easily to arrange is called data understand is called information
Primary collected knowledge which is not arrange is called data	Which data are arranged and easily to understand is called information
Primary knowledge is data	After processing data is information
It is not arranged	It is arranged
It is not always meaningful	It is most meaningful
Understanding is difficult	Understanding is easy
Data may not be in order	Information should be in order
A small part of information is data	Multiple Data makes a information
Each student's test score is one piece of data	The Class average score or the school’s average score is the information that can be concluded from the given data.

                                                                                  

 

 What are the limitations of computer?            

Answer:Limitations of computer:

a) No intelligent question.
b) No feeling
c) It can't work by its own without giving instruction or order
d) It can't take decision by it is own
e) It can't move by it is own
f) It can't think
g) Processing speed and memory capacity is limited
h) Cannot do make any adjustment as human being can do
i) Cannot do any think without human instruction

Write the characteristics/feature of a computer?

 

Answer:The main characteristic of computer is that, it is a programmable device. We give instructions to it and on the basis of information and data it processes according to instruction and gives the result.

Characteristics of Computer: The main characteristic of computer is that, it is a programmable device. We give instructions to it and on the basis of information and data it processes according to instructions and gives the result.

1.    Speed: As you know computer can work very fast. It takes only few seconds for calculations that   we take hours to complete.

2.    Automatic: - A computer is a automatic machine.

3.    Accuracy: - A computer has a accurate working capability.

4.    Diligence: - A computer is free from monotony.

5.  Versatility: - Another main characteristic of computer is. It can do several works simultaneously. So we can use it in place of several machines.

6.    Power of Remembering: Computer has the power of storing huge amount of information or data. Information can be stored and recalled as long as you require it, for any number of years.

7.    Storage: The computer has an in-built memory where it can store a large amount of data.

The main three characteristics of a computer are-

1) It can work fast

2) It is able to work without mistake.

3) It can save the information or data in its memory and can use it Inter when necessary