This article will discuss what a CAPTCHA Code is, How does a CAPTCHA Code works, How it is designed, its types, applications, advantages and disadvantages.

Infrared Sensor is most used sensor in wireless technology where remote controlling functions and detection of surrounding objects/ obstacles are involved.

Nano technology is a diverse form of science that incorporates the study and development of structures which are at the atomic and molecular level.

Communication Protocols are a set of rules that allow two or more communication systems to communicate data via any physical medium. The rules, regulations, synchronization between communication systems, syntax to be followed and semantics are all defined by the term protocol. Protocols can be...

Barcode technology is an integral part of every industry. It has effectively replaced the method of manual entry. The usage of barcode has become inevitable

Read Only Memory (ROM) is an integrated circuit which is pre-programmed with specific functional data at manufacturing time. It is also called Firmware.