HANDLING COMPUTER FILES

DATA PROCESSING SSS2 SECOND TERM       

WEEK 3

HANDLING COMPUTER FILES

Contents

BASIC OPERATIONS OF COMPUTER FILES:

Create: Create a file with a given name.

Delete:  Deleting a file that is unwanted.

Retrieve: Retrieve a stored file or lost file.

Copy:  Copying a created file to either an external or in-built storage device.

View:  Viewing a created file or granting the privilege of viewing.

Open:  Opening a file to use its contents.

Update:  Reading or updating the contents.

Close:  Closing the file, thereby losing access until it is opened again.

STEPS IN CREATING SEQUENTIAL FILE:

The OPEN statement is used in writing information to a file. In general, the open statement follows this pattern;

OPEN file FOR OUTPUT AS 1

The…