Definition The transmission unit is a data block composed of multiple bytes or multiple bits. It is synchronized only at the beginning of the frame, and a fixed clock is maintained within the frame....

Collision detection classification Carrier Sense Multiple Access/Collision Detection (CSMA/CD)This solution requires the device to perform the channel detection while sending the frame. Listen to d...

Introduction XMODEM is a low-speed file transfer protocol. KERMIT is a file transfer protocol used in an asynchronous communication environment. The main difference between it and XMODEM is: KERMIT...

Introduction As an important part of professional articles in sci-tech journals, graphics play an important role in the professionalism and academic nature of articles. Without good graphics and gra...

Introduction to memory It cancels the time interval between the two storage cycles of the motherboard and the memory, and transmits data every 2 clock pulse cycles, which greatly shortens the access...

Introduction to working voltage The real-time working voltage of electrical equipment usually needs to be measured with the help of a multimeter, which is an unknown value. The calculation relations...

The synonym North Bridge chip generally refers to the North Bridge (computer motherboard north bridge chip). Features The data processing capacity of the north bridge chip is very large, and the hea...

Basic information Since Intel Corporation in the United States designed and manufactured 4-bit microprocessor chips in 1971, in more than 20 years, CPUs have evolved from Intel4004, 80286, 80386, 8...

Power supply process The process is to transform the AC current into the required current (A) through a rectifier transformer. Take 8000A/30V as an example. AC 380V enters the rectifier transformer,...

Introduction The main frequency of the CPU, that is, the clock frequency of the CPU core (CPU Clock Speed). How many megahertz does the so-and-so CPU usually refer to, and this number of megahertz i...

The operating frequency of the radio wave used by satellites to transmit signals. World Wide broadcasts on the frequency of 1467～1492MHz in the L-band. Domestic satellite radios are all within this f...

Historical evolution Due to historical reasons, countries in the world have always adopted various unit systems, which are chaotic and complicated. The units used in different industries are differe...

The instruction word represents a machine word of an instruction, which is called an instruction word, usually abbreviated as an instruction. The instruction word is more friendly than the reserved wo...

Introduction Multimedia design emphasizes that the computer is the center, because multimedia design is based on computer technology; the organic combination of various media means that media and med...

Definition Thermionic emission refers to the phenomenon that electrons escape from the surface of a metal or other solid materials when heated under vacuum or filled with inert gas. Introduction Th...