Perfect Computer Notes

DATA Data is the collection of raw facts and figures. It is without any proper meaning. Data may be collection of words, numbers, graphics or sounds. What is data? Explain different types of data Examples of Data 1) Student Data on Admission Forms When students get admission in a college. They fill admission form. This form     contains raw facts (data of student) like name, father’s name, address of student etc. 2)    Data of Citizens During census, data of all citizens is collected. 3)    Survey Data Different companies collect data by survey to know the opinion of people about their product. 4)    Students Examination data In examination data about obtained marks of different subjects for all students is collected.    Different Types Of Data There are following main types of Data. 1)    NUMERIC DATA Numeric data consists of 0 to 9 digits, + and – sign and decimal point etc. For example, 10, 78, 90.50, -56 etc 2)    ALPHABETIC DATA It consists