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Amwoga Khalwale 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
LED light bulb is an electric light for use in light fixtures that produces light using one or more light-emitting diodes (LEDs). LED lamps/ bulbs have a lifespan many times longer than equivalent incandescent lamps and are significantly more efficient than most fluorescent lamps. LED bulbs offer light in a range of color temperatures; it’s what … 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
Hawk Hawks are a group of medium-sized diurnal birds of prey, particularly those in genus Accipiter, known as the true hawks and including the goshawks and sparrowhawks. The term hawk is often applied to other birds in the family Accipitridae such as kites, buzzards and harriers and sometimes it is extended to include certain members … Read more
What Is Server-side Scripting? Server-side scripting is a method of designing websites so that the process or user request is run on the originating server. Server-side scripts provide an interface to the user and are used to limit access to proprietary data and help keep control of the script source code. It is based on … Read more
An operating system (OS) is an interphase between a computer user and computer hardware. An operating system performs all the basic tasks like file management, memory management, process management, handling input and output and controlling peripheral devices such as disk drives and printers. Examples of operating systems include: Linux Windows macOS (formerly OS X) Disk … Read more
What Is Indexing? Indexing is a way of optimizing the performance of a database by minimizing the number of disk accesses required when a query is processed. It is a data structure technique which is used to quickly locate and access the data in a database. There are two types of indexes in SQL Server: … Read more
What Is Private Equity (PE)? Private equity (PE) are those investments that are made in companies that are not listed publicly on any stock exchange or simple it refers to investment in shares outside a stock exchange. As a source of investment capital, private equity comes from high-net-worth individuals and firms that purchase stakes in … Read more
What A Machine? A machine is a mechanical structure that uses power to apply forces and control movement to perform an intended action. Machine can be simple like a lever or pulley or they can be more complex like computers and sensors that monitor performance and plan movement, often referred to as mechanical system. Machines … Read more
Top-down and bottom-up approach are both strategies of information processing and knowledge ordering, used in a variety of fields including software, humanistic and scientific theories and management and organization. In practice, they can be seen as a style of thinking, teaching or leadership. In this article get to understand the underlying difference between top-down and … Read more