Computer Fundamental
Q1. What is Computer ?
A Computer is an Eletronic processing Device.
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.
Analogue Computer
An analog computer or analogue computer is a type of computer that uses the continuous variation aspect of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved.
Digital Computer
In computer science, a digital electronic computer is a computer machine which is both an electronic computer and a digital computer. Examples of a digital electronic computers include the IBM PC, the Apple Macintosh as well as modern smartphones.
Super Computer
A powerful computer that can process large amounts of data and do a great amount of computation very quickly.
Supercomputers are useful for applications involving very large databases or that require a great amount of computation.
Mainframe computers
A high-performance computer used for large information processing jobs.
Mini Computer
A mid-range computer that is intermediate in size, power, speed, storage capacity, etc., between a mainframe and a microcomputer.
Minicomputers are used by small organizations.
“Minicomputer” is a term that is no longer used much. In recent years, minicomputers are often referred to as small or midsize servers (A server is a central computer that provides information to other computers).
Micro Computer
Microcomputer is now primarily used to mean a PC, but it can refer to any kind of small computer, such as a desktop computer, laptop computer, tablet, smartphone, or wearable.
PC
A small computer designed for use by a single user at a time.
A PC("Personal Computer") or microcomputer uses a single chip (microprocessor) for its central processing unit (CPU).