What is the meaning of 51

1, 51 is the abbreviation of 51 microcontroller, is the collective name for all the Intel 8031 instruction system compatible microcontroller.

The originator of this series of microcontrollers is Intel's 8031 microcontroller, and later, with the development of Flash?rom technology, the 8031 microcontroller has made great progress, and has become one of the most widely used 8-bit microcontrollers, and its representative model is the AT89 series of ATMEL, which is widely used in industrial measurement and control systems.

Many companies have 51 series of compatible models launched in and even a long time in the future will occupy a large number of markets

2, 51 refers to the first of May each year, is the International Labor Day, people used to be referred to as 5-1.

3, a brand of cigarettes, menthol filters, suitable for women. 84mm?Tar: 11mg Smoke nicotine amount: 0.8mg?Smoke carbon monoxide: 14mg

4, 51 is an Internet language, generally interpreted as I want.

5, 51 (fifty-one) is a natural number between 50 and 52. It is an odd, combined number. The 35th composite number with positive factors 1, 3, 17 and 51. the previous one is 50 and the next one is 52.

Baidu Encyclopedia-51

Baidu Encyclopedia-51

Baidu Encyclopedia-51

Baidu Encyclopedia-51

Baidu Encyclopedia-51