Complete Computer Knowledge Portal

Thursday, June 5, 2014

Difference Between Linux and Windows


Parameter
Windows
Linux
Introduction
It is an Operating System developed by Microsoft and  named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS
Linux is a Unix Like Operating System introduced by Linus Torvalds and was first released on 5 October 1991.
License Type
Proprietary Commercial Software and must have to be Purchased before using Windows OS.
Except Red Hat all versions are free and are distributed under GNU GPL License.
File System Supported
NTFS,FAT,FAT 32, ISO 9660, UDF,

Ext,Ext2, Ext3, Ext3, ReiserFS, FAT, ISO 9660, UDF, NFS, NTFS, JFS, XFS, Minux
and GmailFS

Versions
Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 etc.
Red Hat, Suse Linux, Debian, Knoppix, Ubuntu etc.

Wednesday, June 4, 2014

Difference Between HTML 4 and HTML 5


Parameter
HTML 4.01
HTML 5.0
Doctype Declaration
Three Types of <!DOCTYPE> declarations are used in HTML 4.01 and that are:
i) HTML 4.01 Strict
ii) HTML 4.01 Transitional
iii) HTML 4.01 Frameset
There is Only one type of <!DOCTYPE> declaration in HTML 5 and that is <!DOCTYPE html>only.
Plugin Requirement
External Plugins are required to play audio and video files on HTML 4.01.
HTML 5 does not require any external plugin to play audio and video files.
Attributes
Accept, Accept-charset, Action, Enctype, Method, Name, Target.
Accept-charset, Action, Enctype, Method, Name, Target, Autocomplete, Novalidate.
Input Types
Button, Checkbox, File, Hidden, Image, Password, Radio, Reset, Submit, Text.
Button, Checkbox, File, Hidden, Image, Password, Radio, Reset, Submit, Text, Color, Date, Datetime, Datetime-local, email, Month, Number, Range, Search, Tel, Time, Url, Week
Automatic Validation
Not Supported in HTML 4.01 and is achieved by other Scripting Languages.
Automatic Filed Validation is Supported in HTML 5.0

Sunday, June 1, 2014

Difference Between DBMS and RDBMS


Parameter
DBMS
RDBMS
Acronym for
Data Base Management System
Relational Data Base Management System
Relation
Data is stored in flat file oriented System and no relations are used.
It provides facility to create relation between tables.
Dr. E.F. Codd Rules
Only 3 rules, Out of 12, are followed by DBMS. (from Rule 0 to Rule 12)
Minimum 6 rules, Out of 12, are followed by RDBS. (from Rule 0 to Rule 12)
Data Security
It can’t implement constraints in Tables and has less Security. The ACID (Atomicity, Consistency, Isolation and Durability) property of the database is ensured by Programmer.
It can implement the integrity constraint for the purpose of holding ACID (Atomicity, Consistency, Isolation and Durability) property of the database and is much securing than DBMS.
Generation
3GL
4GL