Essay:
Computer (computer) commonly known as computer, modern high speed calculated for electronic calculators, can be numerical (1 + 1 = 2), and can be logically calculated (you hit me a punch is friendly or hostile) there are storage memory function. Is capable of automatic, high-speed processing of modern intelligent electronic devices in accordance with vast amounts of data to run (I turn on the player watching video, playing the entire process is completely automatic)
Binary: Now that computer technology is widely used in a number system, 19th century Ireland logician, George Boole propositional logic thought process into some kind of symbol 0 1 algebraic calculus, the band every 2 hex binary system, 01 is a basic operator, as he uses only one or two digital zero symbols, very simple and convenient, easy manner computer
There are five main hardware components: the operator, controller, storage, input devices, output devices
Operator: is responsible for arithmetic and logical operations and controller together form a central processor
Controller: It is used to store the program in progress and the program data to be immediately processed in the data
Input device: using the device to input, such as keyboards, scanners, etc. 0+
Output devices: for input devices, such as a monitor audio.
Motherboard: motherboard generally rectangular circuit board above the main circuit composed of a computer system is installed, generally BIOS chip, the control chip connected to the key switch and the control panel, lamp connectors, expansion slots direct current board and card, the power supply connector element and the like
Hardware, software and user relationship:
The hardware is based on the hardware needs to be activated by the control system software, hardware and allow each other to work together between the various hardware, system software on the basis of his user is the user's operating system software, and corresponding application software installed in the base system on children user software to complete the required work, so that the lowest level of the hardware, the hardware layer of system software, system software layer is the application software, which is the top user
Software for a particular job done and development program
Software is divided into system software and application software:
(1) System Software: System software means, control and coordination of computers and peripheral equipment to support application software development and computer systems; computer system responsible for managing a variety of independent hardware so that they can coordinate their work. System software allows computer users and other software to the computer as a whole, without the need to take into account the underlying hardware is how each works
System Software example: windows xp windows7 windows8 windows10 android (Andrews phone system) ios (Apple phone system) unix linux, etc.
(2) application software, for example: iQIYI video STORM QQ office, etc.