It is a global network connecting millions and billions of computers throughout the world. Billions of users worldwide are connected by it through the standard internet protocol suite (TCP/IP). Internet is set up by using wireless, networking and electronic technologies. It is the fastest medium to send and exchange data and information among the computers … Read more
Input devices help users to send information, data, and control signals to a computer. It is the Central Processing Unit (CPU) that receives the input and processes the same in order to produce the output. Popular input devices are mentioned below: Keyboard Mouse Scanner Joystick Light pen Digitizer Microphone Magnetic Ink Character Recognition (MICR) Optical … Read more
The primitive people were the first to use the counting device. Stones, bones, and sticks were used by them as counting tools. As the time progressed, the human mind and technology took a giant leap and the development of more computing devices began. Few of the popular computing devices in the order of them being … Read more
Hardware is a collective term used for all the tangible, physical parts and components of a computer and the devices connected to it. Popular hardware devices are motherboard, CPU, mouse, monitor and keyboard. Motherboard It is one of the most important components of a computer. It is a thin circuit board that looks small in … Read more
It is a part of the intranet of an organisation. This communication network is based on internet protocols (TCP/IP). Extranet’s job is to provide the firm’s customers and trading partners controlled access to its intranet. Therefore, extranet is a private network that shares operations and internal information of a firm securely with some authorized people … Read more
Computer viruses are unwanted piece of codes or software programs that impede the functioning of a computer. They spread through infected files, insecure networks, and corrupt data. They can replicate and produce copies of themselves upon entering your system. These copies of a virus allow it to infect various files and spread from one application … Read more
When a network is setup through communication channels by connecting two or more computers, it is known as a Computer Network. It allows computers to communicate with each other and to share data, commands, software resources and hardware. Some popular computer networks are: Local Area Network (LAN) Metropolitan Area Network (MAN) Wide Area Network (WAN) … Read more
It holds instructions and data essential to process raw data and produce output. Cells are small parts among which the computer memory is divided. A unique address is assigned to each cell which can be 0 or even -1. There are two types of computer memory: Volatile (RAM) Non-Volatile (ROM) Hard disk, which is a … Read more
A computer has 5 main components. They are given below: Input devices CPU Output devices Primary memory Secondary memory The brief explanation about computer components is provided below: Inputting: It is the process of entering information, instructions and raw data into the computer. Input devices help to complete this process. Storing: Primary memory and secondary … Read more
All the important functions of the computer are carried out by the CPU. It produces the output after receiving instructions from both the hardware and active software. It is also known as microprocessor, processor, and central processor. All the important programs like application software and operating system are stored by the CPU. It also works … Read more