DATA ARE RAW FACTS
EX : CUSTOMER NAME IN BANK
TOTAL MARKS OBTAINED BY STUDENT
INFORMATION: AN ORGANIZED DATA IS CALLED INFORMATION
EX : CUSTOMER NAME WITH BALANCES.
STUDENT REG NO WITH TOTAL MARKS.
DATA HIERARCHY:
BIT IT MAY BE EITHER 0 OR 1
IT REPRESENTS THE SMALLEST PART OF INFORMATION THAT COMPUTER CAN PROCESS.
BYTE : IT IS GROUP OF 8 BITS IT REPRESENTS A DIGIT, LETTERS OR SPECIAL SYMBOL.
FILED: IT IS A GROUP OF CHARACTERS.
EMPNO ENAME SAL JOB
100 SMITH 800 CLERK
RECORD: IT IS
No comments:
Post a Comment