File management, Basic Computer Science

File Management:  

The concept of a file is central to the effective use of a computer system. A file is generally loosely defined as a collection of related information such as students records employee database.

It might contain graphical usage. A file may be organized internally into records or it may simply be a stream of bytes. A file constitutes a logical unit of storage, that is, logical to the person or program using the file.  

The file management system provides and maintains the mapping between a file logical storage needs and the physical location where it is stored. Users and programs simply access the files by the name, and the file management system handles the details The file management system identifies and manipulates files by the names provided by their users determines the physical requirements of the file,  allocate space for it, stores it in that space, and maintains the information about the file so that it may be retrieved partially or in full, later. The file management system keeps track of the available space on each device connected to the system. The  user and the user's program need not be aware of the underlying physical storage issues.  

Posted Date: 10/23/2012 4:20:09 AM | Location : United States







Related Discussions:- File management, Assignment Help, Ask Question on File management, Get Answer, Expert's Help, File management Discussions

Write discussion on File management
Your posts are moderated
Related Questions
Twisted pair cables comes in two appearance : Unshielded twisted pair cable : UTP : UTP cables is the most common types of telecommunication medium used today. Its frequency range

Telecommunications: 'Data communications', 'Communications technology', 'Computer telecommunications', Compunications', 'Telecomputing', etc., are just some of the terms we co

The development of your learning module is very time consuming, so it is recommended that you begin creating your learning module during this first week. Before you begin, download

QUESTION (i) Write short notes on each of the following: a) Shelf reading b) Joint Fiction Reserve c) London and South-Eastern Library Region d) Document access

• A multilevel queue scheduling algorithm divides the ready queue in several separate queues, for example • In a multilevel queue scheduling processes are lastingly assigned to one

4. Union City Al has decided to upgrade their tornado warning system. The city leaders have identified six potential locations for erecting a warning siren tower. They want to e

At times, Brewbean''s has changed the id number for existing products. In the past, they have had to add a new product row with the new id to the BB_PRODUCT table, modify all the c

Open Systems Interconnection (OS1): As there are many different protocols for LANs and WANs, communication between two different systems can be difficult. The International St

DATA AUTONOMOUS TRANSMISSION: This could be the possible replacement for the ARINC 429 standard and will be annotated the standard - ARINC 629. In the DATAC system, the contro

Fundamentals of IT 1. How do you insert a symbol in a Word document? 2. Explain absolute cell addressing? 3. Discuss Custom List? 4. Explain applications of Multimedia