Information Technology Essentials

The book IT ESSENTIALS is organized into five units of learning Unit I explains creating a website and the working principles of a website. Also describes parts of a web address browser fundamentals and the Authoring tools of the website. It discusses the various types of server as well as Social network. Unit II covers the need for Scripting languages and types of scripting languages. Students learn about working principle of PHP variables constants operators. It also describes cookies and develops simple PHP scripts Unit III focuses on the fundamentals computer networks concepts with all the types of networks. This unit introduce all the networks layers such as TCP/IP model and OSI model in detail manner. Unit IV deals with cell phone working fundamentals and cell phone frequencies and channels. It explains digital cell phone components and the generations of cellular networks. This unit cell phone network technologies and the architecture. Unit V explains about the creation of simple interactive applications and the database applications multimedia applications. Contents UNIT 1 WEB Essentials UNIT 2 Scripting Essentials UNIT 3 Networking Essentials UNIT 4 Mobile Communication Essentials UNIT 5 Application Essentials Case Study Question Paper.