what is gmrs radio

Service (SMS), unstructured ancillary business data (USSD), Circuit switched cellular mobile data (DSD), cellular mobile Digital Packet data (CDPD), and Universal Packet Radio Service (GPRS). Since WAP is based on an upgradeable tiered structure, each tier can evolve independently of other tiers. This allows the introduction of other bearer services or the use of new transmission procedures without the nee

Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the architecture.When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following proce

When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following procedure is for personal understanding only:Domain name resolution--Initiates a TCP 3 handshake--initiates an HTTP request after the TCP connection is established--the server responds to the HTTP request, the br

units to do reasonable organization, the information to do a reasonable presentation, This phase is primarily the planning of the user's path (which subtasks the user's task can be divided into, what steps are needed to build the information architecture (the classification of the pages), and then to determine the details of each node on the path or the specific content, so far,

successfully, then the following steps: 5 the operating system will look for NetBIOS name Cache (The NetBIOS name cache, which exists on the client computer), what is there? The computer name and IP address of the computer that I have successfully communicated with in the recent period of time will exist in this cache. Under what circumstances can the step be re

What if the Wi-Fi connection signal in win7 is weak? WiFi has become a part of our lives. whether in the home or office, as long as there is a Wi-Fi signal, mobile phones, laptops, tablets can be connected to the Internet. Some users found that the Wi-Fi network signal on the laptop Windows 7 system was weak, and they often couldn't open the webpage, or the netw

As one of the hot trends in the future web design, "rolling parallax" has been adopted by more and more websites in recent years, and the special new display mode has also made many users bright. On the network also springing up a lot of like "30 exciting parallax scrolling website", "60 parallax Scrolling website appreciation" ... And a series of parallax scrolling article, but the majority of appreciation, the real guide designers how to design, how to implement the practical article

What is a car listening treasure? Car listen to the treasure is an intelligent car network radio, you can use the car to listen to the treasure free to listen to mass radio programs How to connect the car with the treasure The car listens to the treasure to need to in

Qiao jiaozhu loves the automobile industry, which is similar to the IT industry. He once pointed out that although trucks will not disappear from the automobile market, cars will be needed by more people, therefore, Apple's job is to produce it cars ". This idea has always dominated Apple's product design philosophy, that is, "Meeting the needs of most people". L

When we enter www.linux178.com in the address bar of the browser, and then go to the car, enter this moment to see the page in the end what happened. The following procedure is only a personal understanding: Domain name resolution--> initiate TCP's 3-time handshake--> The HTTP request is initiated after the TCP connection i