ARM is the abbreviation for Advanced RISC Machine, which is a 32-bit reduced instruction set architecture, but also equipped with a 16-bit instruction set, which generally saves 35% compared to equivalent 32-bit code, but can retain All the advantages of a 32-bit system.
The main features of the ARM processor are:
(1) Small size, low power consumption, low cost, high performance - ARM is widely used in embedded systems. The most important reason is to support the Thumb (16-bit) / ARM (32-bit) dual instruction set, which is very good. Compatible with 8-bit/16-bit devices;
(2) Using a large number of registers, the instruction execution speed is faster;
(3) Most data operations are done in registers;
(4) The addressing mode is flexible and simple, and the execution efficiency is high;
(5) The instruction length is fixed.
(6) Load_store structure: In RISC, all calculations are required to be done in registers. The communication between registers and memory is done by a separate instruction. In CSIC, the CPU can operate directly on the memory. Pipeline processing.
2. MIPSMIPS architecture (English: MIPS architecture, short for Microprocessor without interlocked piped stages architecture, also known as Millions of InstrucTIons Per Second), is a processor architecture with a reduced instruction set (RISC), appeared in 1981, by Developed and licensed by MIPS Technologies, it is widely used in many electronic products, networking equipment, personal entertainment devices and commercial devices. The earliest MIPS architecture was 32-bit and the latest version has become 64-bit.
The basic features of MIPS are:
(1) Contains a large number of registers, instructions, and characters.
(2) Visible pipe delay time slots.
These features enable the MIPS architecture to deliver the highest performance per square millimeter and the lowest power consumption in today's SoC designs.
3. X86The X86 architecture is a general term for a microprocessor architecture designed and manufactured by chip giant Intel. If you don't understand this, then when I say the words 8086, 80286, etc., I believe you will understand it right away. It is based on this that the name X86 architecture is widely known. Today, most of the PCs we use are X86 architectures. It can be seen that the popularity of X86 architecture is closely related to Intel's dominance. The x86 uses the CISC (Complex InstrucTIon Set Computer) architecture. Different from RISC, in the CISC processor, each instruction of the program is executed serially in sequence, and each operation in each instruction is also serially executed in sequence. The advantage of sequential execution is that the control is simple, but the utilization of each part of the computer is not high, and the execution speed is slow.
The advantage of entertainment tablet lies in having a powerful chip and excellent hardware. If you want to play various online videos on the tablet and run various software smoothly, the performance of the hardware is an absolute prerequisite. In addition, a high-speed and stable WIFI module is also required, which must be compatible with multiple 802.11 B/G/N protocols at the same time, so that the webpage can be loaded instantly when the webpage is opened, and the online video can be played smoothly. So hardware is the premise and foundation, without good performance everything else is empty talk.
In addition to having a good CPU as a prerequisite, it is equally important to carry a professional video player. A professional video player must perform equally well both online and offline.
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