Microsoft PowerPoint was developed by Robert Gaskins and Dennis Austin in the company named Forethought, Inc. The previous name of PowerPoint was Presenter and it was available for Mac Computers. Microsoft bought the Presenter for $14 million in 1987 and renamed it PowerPoint. Version 1.0 of PowerPoint came with text, images and other objects. Version 2.0 was available for both Windows and Mac computers. Microsoft released version 3.0 [...]
A touch user interface is a type of interaction between a user and a computer-based device. This interaction is by doing a physical touch on the screen and the computer responds to this touch interaction. The first touch screen phone was launched in 1992 by IBM and was named IBM Simon. iPhone was the latest invention of the touch screen phone which gets its popularity in no time. [...]
What is transaction processing system (TPS) A transaction processing system or TPS is a type of information system in which transactional data is stored, modified and retrieved. Take an example of a bank in which a transaction of money is done between bank and customer. The customer gives a check to the bank and the bank resolve that check and it is a type of transaction. Similarly, we [...]
An information system is the travel of data from one location to another. If you have an internet-connected to your computer then you can transfer data from your computer to another computer within seconds. In old days we don’t have a network facility by which we can move data from one computer to other. With the invention of the internet, data can be transferred to different locations easily. [...]
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 [...]
