Fluorescent Multi-layer Disc (FMD) is a new data storage format implementing the concept of volumetric storage of information. FMD is an optical format, similar in size and appearance to regular CD-ROMs and DVDs.It may be possible to produce FMD discs with up to 140 GB of data. The idea behind the … [Read more...]
What are Tunable Lasers? A tunable laser (alternative spelling: tuneable laser) is a laser the output wavelength of which can be tuned (i.e. adjusted) (? wavelength tuning).Tunable lasers are different to traditional lasers because they can continuously change their emission wavelength, or color, … [Read more...]
What is an Amplifier? A device which is used to increase the power of a signal by use of an external energy source is a Amplifier. Almost every electronic device contains at least one stage of amplification, so you will be seeing amplifiers in many devices that you work on. CLASSIFICATION OF … [Read more...]
What is Transparent Electronics? It is the Technology for next generation of optoelectronic devices and employs wide band-gap semiconductors for the realization of invisible circuits. Oxide semiconductors are very interesting materials because they combine simultaneously high/low conductivity with … [Read more...]
Memristor A memristor is passive two-terminal circuit elements that maintains a functional relationship between the time integrals of current and voltage. Memristors are basically a fourth class of electrical circuit, joining the resistor, the capacitor, and the inductor, that exhibit their unique … [Read more...]
What is a Blu-ray disc? Blu-ray also known as Blu-ray Disc (BD), is the name of a new optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world's leading consumer electronics, personal computer and media manufacturers (including Apple, Dell, Hitachi, HP, … [Read more...]
What is WiMAX ? WiMAX is a wireless digital communications system, also known as IEEE 802.16, that is intended for wireless "metropolitan area networks". WiMAX stands for Worldwide Interoperability for Microwave Access. WiMAX can provide broadband wireless access (BWA) up to 30 miles (50 km) for … [Read more...]
What is WI-Fi? Wi-Fi is a generic term that refers to the IEEE 802.11 communications standard for Wireless Local Area Networks (WLANs). Wi-Fi Network connect computers to each other, to the internet and to the wired network.The term Wi-Fi was created by an organization called the Wi-Fi Alliance, … [Read more...]
Here is a detailed comparison of the iPad and the tablet listing out their features. Sony and Samsung are coming up with new models to compete the ever greatest APPLE. Apple's new iPad has a raised bar on display whereas the Samsung and Sony are going with android latest versions. … [Read more...]
HUB A hub is a small rectangular box, often made of plastic, that receives its power from an ordinary wall outlet. A hub joins multiple computers (or other network devices) together to form a single network segment. On this network segment, all computers can communicate directly with each other. … [Read more...]