File management, Basic Computer Science

Assignment Help:

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.  


Related Discussions:- File management

Cryptography, Question 1 Consider the one-time pad encryption scheme to en...

Question 1 Consider the one-time pad encryption scheme to encrypt a 1-bit message m, and assume m is chosen with uniform distribution from message space M={0,1}. Let E1 be the eve

Ms-powerpoint presentation for promoting national parks, Ms-PowerPoint Pres...

Ms-PowerPoint Presentation for Promoting National Parks You have been hired by Tourism Department to make a presentation to the travel agents from different countries. Design

Describe different kinds of registers used for register arra, Different kin...

Different kinds of registers are general between most microprocessor designs. These are: Program Counter (PC) This register is utilized to hold the memory address of the next instr

Program and programming language, Program and Programming Language : ...

Program and Programming Language : A Program is defined as a collection of statements/ instructions that enable the computer to solve a problem. The process of writing a prog

Coaxial cables, Coaxial Cables: Another metallic transmission medium w...

Coaxial Cables: Another metallic transmission medium which offers a large bandwidth, is the coaxial cable. Such cables consist of an outer protective shell made of copper tube

Methods of working with files, There are two methods to work with files, th...

There are two methods to work with files, the first one is through file control blocks or "FCB" and the second one is through communication channels, also identified as "handles".

Explain TCP and UDP features in detail and compare, Which applications requ...

Which applications require TCP and why? Also specify which applications require UDP and why? A4) TCP is also known as connection-oriented: setup required between client and server

C, Padovan sequence

Padovan sequence

Frequency and bandwidth, Frequency and Bandwidth: Let us try to unders...

Frequency and Bandwidth: Let us try to understand a little about how information is transmitted. The information may be in the form of sound (human voice, music) or it may be

Description of Instruction execution, When software is installed onto a mod...

When software is installed onto a modern day personal computer (most commonly from a CD-ROM, though other media or downloading from the internet is also common), code comprising th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd