What is social networking Social networking is the virtual networking of people. People can share photos, videos, and their life activities on social networking sites. If you are an artist then you can create a free account on Instagram and share your art online. People who have an interest in your art can comment on your posts. They start knowing you and you can get like-minded people around [...]
A parity decoder or parity generator is used to add an extra bit at the end of the signal or single byte. For example, you are transferring 3 bits of data so one more bit is added to the data making it 4 bits. The extra bit that is added is used for error checking. When data is received at the receiver end then the parity bit is [...]
Definition of laptop A laptop or notebook is a portable computer with a screen and alphanumeric keyboard. The laptop is most suitable for a traveller. There are two main computers used by a person in homes, offices, or any other place. One is a desktop computer and the other is a laptop. Desktop computers are placed on our desk or table. We cannot move desktop computers on daily [...]
Definition of software Software is a set of programs or instructions run by the computer. We cannot touch software but in the case of hardware, we can touch hardware. An example of software is Microsoft Word, Google chrome etc. Definition of application software Application software is a type of program that does a specific task other than the operation of the computer. For example, Microsoft Word can do [...]
What is user interface A user interface or UI is a process of interaction of the user with the computer, website, app or any other screen. For example, the remote control is a hard device by which users can interact with the TV screen. You can have any design on the screen and you interact with it. The design that is displayed on the screen is the interface [...]
What is Microsoft Excel MS Excel or Microsoft Excel is a spreadsheet application developed by Microsoft in 1985. In this application, the data is organized in the form of rows and columns. You can store a maximum of 1048576 rows and 16384 columns in it. Pros and cons of MS Excel Let's discuss some pros and cons of Excel:- Advantages of Microsoft Excel Table: The table in Excel [...]
Definition of clustered system The clustered system is a group of computers in the local area network that is connected together. They share common storage. They work on a common task. They have independent input devices like a mouse, keyboard, processor and memory. The computers which are clustered together are also known as nodes. Suppose a program or task needs to be completed by the clustered system. The [...]
What is domain name server (DNS) DNS or domain name server is a phonebook in which all the domain names are saved with their associated IP addresses. An IP address is a number like 172.217.204.102. All the network devices which are connected on the internet has some IP addresses associated with them. To connect any computer to the network, we need to know its IP address. As it [...]
Definition of application A software application is a program that can do some specific task other than the operation of the computer. An application can be a mobile application, desktop application, or web application. Examples of application software are calculator, chrome browser, MS word, mobile app, web application etc. Application Security Definition of application security Application security is a mechanism of protecting the application from unauthorized use and [...]
Definition of wearable computer "A wearable computer is a small computation device that can be worn on the body. It is attached with clothes also. Wearable digital clothes are also used these days. The wearable computer can also be a smartphone or wristwatch." Wearable computers were introduced many years ago but the real work on it was started in the 1980s. Steve Mann invented the wearable computer in [...]
