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Amwoga Khalwale 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
What Is A Series Circuit? A series circuit is a circuit in which resistors are arranged in a chain, so that current has only one path to take. The current is the same through each resistor but voltage is dropped (lost) across each of the resistances. In a series circuit, the sum of the voltages … Read more
What Is IPv4? IPv4 (Internet Protocol Version 4) is the fourth revision of the Internet Protocol (IP) used to identify devices on a network through an addressing system. The internet protocol is designed for use in interconnected systems of packet-switched computer communication networks. IPv4 is the most widely deployed internet protocol to connect devices to … Read more
What Is Two-Tier Database Architecture? Two-tier architecture is a software architecture in which a presentation layer (application interface) runs on a client (PC, Mobile, Tablet etc) and a data layer or data structure gets stored on a server. Separating these two components represents two-tier architecture rather than single-tier architecture. There is direct communication takes place … Read more
What Is Hydrostatic Pressure? Hydrostatic pressure is the pressure that is exerted by a fluid at equilibrium at a given point within the fluid, due to the force of gravity. Hydrostatic pressure increase in proportion to depth measured from the surface because of the increasing weight of fluid exerting downward force from above. What You … Read more
A filter is a circuit that removes or filter-out a specified range of frequency components. In other words, it separates the signal’s spectrum into frequency components that will be passed and frequency components that will be blocked. Filters can be classified in accordance with the general characteristics of the filter’s frequency response. If a filter … Read more