Python core basic computer learning 1-

1. What is the programming language?

Language is the medium of communication between people, between man and computer programming language that is direct communication medium.

2. What is programming? Why programming?

Programming instructions are the people who want to do things the computer to translate a programming language and writing to a file, the file is a program of this series.

It is the essence of programming in order to enslave your computer and let the computer do some people want him to do.

3. What are the main components of the computer have?

The computer has five main components: a controller, the arithmetic unit, memory, input devices, output devices.

The controller: command a computer system for controlling the other components of a computer, corresponding to the human brain.

Operator: computer math and logic operation system, similar to the human brain

Memory: The memory is divided into memory and external memory.

    Memory: equivalent to the human temporary memory, the advantage of speed, but after the power failure data loss.

    External memory: recording corresponding to Notepad, permanent preservation, but the speed is slower than memory.

Input devices: keyboard, mouse, camera, microphone, etc.

An output device: a display, printer, stereo.

PS: The controller operator + = CPU, as well as memory registers, cache.

 4. A complete computer system, including what?

    application

    operating system

    Computer hardware

Operating system equivalent to the interface between the application software and computer hardware to help users simple management, coordination and control of computer hardware, programming is a series of documents on nature.

X86 means the common 32-bit system, 64-bit X64 means, refers to the CPU 32 may read a 32-bit string, the same system may be a 64-bit 64-bit read.

Operating system has a downward compatibility, the system that is compatible with 64-bit 32-bit applications, but not vice versa.

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Origin www.cnblogs.com/snailhuang/p/11771270.html