A computer is a machine that can be programmed to perform sequences of arithmetic or logical operations automatically. Modern computers can execute generalized sets of operations known as programs. These programs allow computers to perform a wide range of tasks.
A programmable electronic device that accepts raw data as input and processes it using a set of instructions (called a program) to produce the result as output. It produces output only after performing mathematical and logical operations and has the ability to save the output for future use. It can perform both numerical and non-numerical calculations. The word "computer" comes from the Latin word "computare," which means "to calculate."
The idea of a programmable computers was first pioneered by Charles Babbage, an English polymath. Charles Babbage is considered the “the father of the computer” because he conceptualized and constructed the first mechanical one in the 1800s. It may have been a decade or two ahead of its time. A powerful operating system manages all three essential elements of a computer system: hardware, software, and software resources. Operating systems are found on a wide variety of gadgets and electronics – cell phones, video game systems, web servers, supercomputers, and, and mainframes, to name a few.
Types of Computer
The mainframe is a high-capacity and expensive piece of equipment. Many organizations employ it, especially those with a large workforce utilize it.
Super Computer- This group of computers is, on the one hand, the fastest and on the other hand, extremely expensive. The typical supercomputer is capable of running ten trillion (1015) calculations every second.
Workstation Computer - This type of computer is high-end and expensive. It is designed specifically for complex work purposes.
Personal Computer (PC) - A PC is a small computer designed for single users.
Apple Macintosh (Mac) - This is a type of personal computer produced by Apple.
A laptop computer (notebook) is a portable computer that can be carried anywhere.
Tablets and smartphones – Modern technology has advanced even further. It has aided in the development of low-cost computers. Tablets and smartphones are two of the most prominent examples of such computers.
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Computers are very important nowadays because they are very accurate, fast, and can easily complete many tasks. Otherwise, completing those tasks manually would take a significant amount of time. It can perform extremely complex calculations in a fraction of a second. Furthermore, it has the capacity to store a large amount of data. The importance of computers can be understood and analyzed by observing a revolution in offline and online business, online education, online business, online communication, and internet banking. We use hardware devices and software applications to store, access, manipulate, calculate, and analyze data and information. So, it's not surprising that people update their computers from time to time, right?