TECHNOLOGY

Handoff A handoff refers to the process of transferring an active call or data session from one cell in a cellular network to another or from one channel in a cell to another. A well-implemented handoff is important for delivering uninterrupted service to a caller or data session user. Cellular networks are composed of cells, … Read more

A database server is the key to solving the problems of information management. In general, a server must reliably manage a large amount of data in a multi-user environment so that many users can concurrently access the same data. All this must be accomplished while delivering high performance. A database server must also prevent unauthorized … Read more

Bitmap Graphics The bitmap also referred to as raster graphics can be described as a raster image containing pixel data format. Each pixel is actually a very small square that is assigned a color and then arranged in a pattern to form the image.  A bitmap image is a grid made of rows and columns … Read more

What Is A Compact Disk (CD)? A Compact Disc also referred to as CD are small  flat round, optical storage plastic discs which store and retrieve computer data or music using light. CDs can store software programs to install onto your computer. They save files for backup or transfer to another computer as well as … Read more

Encoder In Digital Logic An Encoder is a combinational circuit that performs the reverse operation of Decoder. It has maximum of 2n input lines and ‘n’ output lines, hence it encodes the information from 2n inputs into an n-bit code. It will produce a binary code equivalent to the input, which is active high. Therefore, … Read more

What Is A Virtual Function? A virtual function is a member function within the base class that we redefine in a derived class. It is declared using the virtual keyword. When a class containing virtual function is inherited, the derived class redefines the virtual function to suit its own needs.  Virtual function ensure that the … Read more

Engineering fits are generally used as part of geometric dimensioning and tolerancing when a part or assembly is designed. In engineering terms, the ‘’fit’’ is the clearance between two mating parts and the size of this clearance determines whether the parts can, at one end of the spectrum, move or rotate independently from each other … Read more

Android Lollipop Android Lollipop (codenamed Android L during development) is the fifth major version of the Android mobile operating system developed by google and the 12th version of Android, spanning versions between 5.0 and 5.1.1. Android lollipop was launched on June 25, 2014 at the Google I/O 2014 conference and it became available through official … Read more

What Is A Primary Key? A primary key, also referred to as a primary keyword, is a key in relational database that is unique for each record. It is a unique identifier such as a driver license number, Social security number, telephone number (including area code), or vehicle identification number. A relational database must always … Read more

What Is Raster Scan? In raster scan system, the electron beam is swept across the screen, one row at a time from top to bottom. As the electron beam moves across each row, the beam intensity is turned on and off to create a pattern of illuminated spots. What You Need To Know About Random … Read more