Computer is an advanced electronic device that takes raw data as an input from the user and processes it under the control of a set of instructions (called program), produces a result (output), and saves it for future use. This tutorial explains the foundational concepts of computer hardware, software, operating systems, peripherals, etc. along with how to get the most value and impact from computer technology.
A computer is a device that can be instructed to carry out arbitrary sequences of arithmetic or logical operations automatically. The ability of computers to follow generalized sets of operations, called programs, enables them to perform an extremely wide range of tasks.
Such computers are used as control systems for a very wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls, factory devices such as industrial robots and computer assisted design, but also in general purpose devices like personal computers and mobile devices such as smartphones. The Internet is run on computers and it connects millions of other computers.
Since ancient times, simple manual devices like the abacus aided people in doing calculations. Early in the Industrial Revolution, some mechanical devices were built to automate long tedious tasks, such as guiding patterns for looms. More sophisticated electrical machines did specialized analog calculations in the early 20th century. The first digital electronic calculating machines were developed during World War II. The speed, power, and versatility of computers has increased continuously and dramatically since then.
Computer - Applications
Computer - Generations
Computer - Types
Computer - Components
Computer - CPU
Computer - Input Devices
Computer - Output Devices
Computer - Memory
Computer - RAM
Computer - Read Only Memory
Computer - Motherboard
Computer - Memory Units
Computer - Ports
Computer - Hardware
Computer - Software
Computer - Number System
Computer - Number Conversion
Computer - Data and Information
Computer - Networking
Computer - Operating System
Computer - Internet and Intranet
Last updated on 2018年07月19日
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