In this chapter, we will supply relevant information to help you buy a desktop on component by component basis. As desktops are highly customizable, so it is better to learn about the main parts and then visit the manufacturer or the retailer shop or site, instead of just looking at some specific model directly. Popular… Continue reading

In this chapter, we will see what is Internet and Intranet, as well as discuss the similarities and differences between the two. Internet It is a worldwide/global system of interconnected computer networks. It uses the standard Internet Protocol (TCP/IP). Every computer in Internet is identified by a unique IP address. IP Address is a unique… Continue reading

The Operating System is a program with the following features − An operating system is a program that acts as an interface between the software and the computer hardware. It is an integrated set of specialized programs used to manage overall resources and operations of the computer. It is a specialized software that controls and… Continue reading

A computer network is a system in which multiple computers are connected to each other to share information and resources. Characteristics of a Computer Network Share resources from one computer to another. Create files and store them in one computer, access those files from the other computer(s) connected over the network. Connect a printer, scanner, or a… Continue reading

Data can be defined as a representation of facts, concepts, or instructions in a formalized manner, which should be suitable for communication, interpretation, or processing by human or electronic machine. Data is represented with the help of characters such as alphabets (A-Z, a-z), digits (0-9) or special characters (+,-,/,*,<,>,= etc.) What is Information? Information is organized or… Continue reading

There are many methods or techniques which can be used to convert numbers from one base to another. In this chapter, we’ll demonstrate the following − Decimal to Other Base System Other Base System to Decimal Other Base System to Non-Decimal Shortcut method – Binary to Octal Shortcut method – Octal to Binary Shortcut method… Continue reading

When we type some letters or words, the computer translates them in numbers as computers can understand only numbers. A computer can understand the positional number system where there are only a few symbols called digits and these symbols represent different values depending on the position they occupy in the number. The value of each… Continue reading

Software is a set of programs, which is designed to perform a well-defined function. A program is a sequence of instructions written to solve a particular problem. There are two types of software − System Software Application Software System Software The system software is a collection of programs designed to operate, control, and extend the… Continue reading

Hardware represents the physical and tangible components of a computer, i.e. the components that can be seen and touched. Examples of Hardware are the following − Input devices − keyboard, mouse, etc. Output devices − printer, monitor, etc. Secondary storage devices − Hard disk, CD, DVD, etc. Internal components − CPU, motherboard, RAM, etc. Relationship between Hardware and Software… Continue reading

A port is a physical docking point using which an external device can be connected to the computer. It can also be programmatic docking point through which information flows from a program to the computer or over the Internet. Characteristics of Ports A port has the following characteristics − External devices are connected to a… Continue reading