Introduction When computer and storage technology was under development, there was a great demand for high-capacity portable storage devices which can easily help in porting high intensive content such as Operating Systems, HD Quality videos or movies, and large software programmes. It was mainly developed and ... Read More

Introduction PDA which stands for Personal Digital Assistant is a handheld device that is usually used for business use or personal use. It is used to keep schedules, information such as address books and calendars. They are also used for storing information and computing. Almost all the PDAs that existed ... Read More

Introduction PDF files are created using software such as Adobe Acrobat, Acrobat Capture, or similar tools. Acrobat Reader is necessary to view and use the files. When you download the reader, it launches every time you attempt to access a PDF file. PDF files are very useful for documents ... Read More

Introduction An effective file format for lossless, portable, and well-compressed bitmap storage is Portable Network Graphics (PNG). It may be read and exchanged between computers with ease and requires little storage capacity. The GIF format can be replaced with the Portable Network Graphics format, which can also be used in ... Read More

Introduction Water is absorbed by plant roots from the soil and by human kidneys from the blood as examples of osmosis. Osmosis occurs without the need for energy in a natural way, but it requires energy to reverse the process. A semi-permeable membrane is impermeable to the majority of dissolved ... Read More

Introduction A Thin Film Transistor is a type of field-effect transistor that is usually used in a liquid crystal display(LCD). TFTs are arranged in a matrix which is why they are referred to as “active matrix”TFT. This type of display is where TFT is featured for each individual crystal. They ... Read More

What is an uninterruptible power supply? An uninterruptible power supply (UPS) is a component that enables a computer to continue operating for at least a brief period of time when incoming power is disrupted. Utility electricity maintains and replenishes energy storage as long as it is in use. The ... Read More

Introduction For the PS/2 range of PCs, IBM launched VGA in 1987. The first graphics card with the ability to display up to 16 colors at 640 x 480 screen resolution was the original VGA chipset. VGA could display up to 256 colors even at a reduced resolution of 320 ... Read More

Introduction In the modern world, most people use computers & internet facilities. Computers made our life easy, but along with these facilities, we are at threat of losing data due to attacks of computer viruses. These viruses became stronger day by day. To protect computer systems from virus attacks we ... Read More

Introduction DSLR is the abbreviation for digital single lens reflex, it is a type of camera that uses a reflex mirror and single lens to capture the light onto the sensors. DSLR started becoming popular and eventually replaced the film-based SLRs in the 2000s. DLSRs had many advantages over film-based ... Read More