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As the saying goes: if you want to do good work, you must first sharpen your tools.Different people have different needs, in short, comfortable is the best policy.First of all we from the CPU, graphics card, hard disk, memory, these aspects to explore ~ CPU (central processor) in general, is the computer's "brain", responsible for coordinating all processes.Mainstream brands: the most PC CPU market share of the brand, "core" (Core) is for the high-end consumers in a series of CPU, has been updated to the tenth generation processor.AMD: in the competition with Intel has been at a disadvantage, until the introduction of the cheap and easy to use "ruilong" series of processors, Ryzen ruilong series has been updated to the third generation.GPU (graphics processor, commonly known as video card) by the GPU, memory, circuit board and BIOS firmware, responsible for dealing with the computer graphics-related work.Mainstream brands: NVIDIA VS NVIDIA:the so-called“N card”, the market mainstream discrete graphics card, GeForce series is the consumer card, Quadra series is a professional card.AMD: the so-called“a card”, the price is relatively cheap, Radeon is the consumer video card, Radeon Pro is the professional video card.Note: computer-related professional students recommend NOT to buy AMD's graphics card, because programming is likely to use the Linux system, and AMD's drivers for Linux support is poor, easily lead to crash crashes, so it is recommended NVIDIA.The hard drive is responsible for storing the data, which is equivalent to your memory.Solid state drive (SSD)VS mechanical hard drive (HDD)some high-end laptops all come standard with a solid state flash SSD as a system disk, installed system and software for everyday use.Mechanical hard disk as a storage disk, put games, files and not commonly used software.When buying a computer, the parameters marked write 256GB+1TB, Is 256GB SSD + 1TB mechanical hard drive.Running memory includes random access memory (RAM), read only memory (ROM), Cache (CACHE) recommended 8GB start, according to personal needs without upper limit overall, Intel / ruilong, NVIDIA, SSD, memory 8GB start computer evaluation recommended currently on the market more mainstream computer brands HP, Dell, Asus, Lenovo, Apple, millet some good~or the game of the light?" the advantage of this is thin and light body, easy to carry, often only meet the daily use of the drawing, running a large game is more difficult. and the game is through the device high-end processor, discrete graphics card, can meet the large game experience and deal with huge graphics engineering. Linux, Mac OS or Windows system?Linux is a very professional system, computer professionals should all be asked to use it.But as long as the computer running Windows, basically can be used to install Unix or Linux system, and for programmers with the most desktop version of Ubuntu.Choosing a Mac OS system means choosing a Mac computer.The programmer's standard general recommendation 13-inch Macbook Pro, high with a little 15-inch Macbook Pro, the price is about twelve thousand~