A computer is basically a programmable machine capable to perform arithmetic and logical operations automatically and sequentially. It is also known as a data processor, as it can store, process, and retrieve data as per the wish of the user. (toc) Computer Data processing involves the following three activities − Input of data Manipulation/processing of […]
Tag: Technology
Computer’s Input/Output Ports
A connection point that acts as interface between the computer and external devices like mouse, printer, modem, etc. is called port. Ports are of two types (toc) Internal port − It connects the motherboard to internal devices like hard disk drive, CD drive, internal modem, etc. External port − It connects the motherboard to external devices like modem, […]
Role of Computer in Today’s World
In today’s world, for almost every activity whether personal (for example, operating personal savings bank account) or business-related (for example, selling any product or services); in some or the other way, we rely on the computer system. (toc) Due to the growing dependency on computers, every small and big organizations and other business companies have […]
Computer System
A computer system is an integrated form of different components that work together to give a desirable result. It has different component and each works for a specific purpose; however, they generate a common result as required by the user. (toc) Computer System Components of Computer System Let us now understand the following basic components […]
Computer Programming Languages
The computer system is simply a machine and hence it cannot perform any work; therefore, in order to make it functional different languages are developed, which are known as programming languages or simply computer languages. (toc) Over the last two decades, dozens of computer languages have been developed. Each of these languages comes with its […]
Operating System
An operating system is the fundamental basis of all other application programs. Operating system is an intermediary between the users and the hardware. (toc) Operating system controls and coordinates the use of hardware among application programs. The major services of an operating system are − Memory management Disk access Creating user interface Managing the different […]
Internet
Internet is a system that interconnects the different computer systems across the world. It uses the Internet protocol suite to link devices located in different corners of the world. (toc) The Internet system carries an extensive range of information resources and services including World Wide Web (WWW), telephony, electronic mail, etc. It uses standard internet […]
Types of Computer
All the computers that are developed are not alike rather they have different designs and features. Some computers have very high capacity as well as working speed; however, some are slow. Depending upon the requirements, computers are being developed. (toc) Types of Computer Depending upon the internal structure and subsequent features and applicability, computer system […]
Computer Networking Terminology
In this chapter, we will discuss the major terminologies used in computer networking (toc) WAN It stands for Wide Area Network and covers a wide area such as a city. LAN It stands for Local Area Network and covers a small area such as a small office or home. It physically connects all the computers […]
Computer Applications (PC Software)
A number of tasks in today’s world is computer based – filling an application, transferring fund, or doing online business everything can be done through computer application. Easily accessible and user friendly, computer applications process the required transactions very quickly and accurately. (toc) Computer applications are designed in such a simple manner that no qualification […]