Domain Name Service is a protocol, which provides the database of the host and domain name with the scope of the Internet. For example, DNS is used to find the IP address of hosts with names written as example.com.

DNS stands for Domain Name Server, and is a program that saves a table of domain name and the corresponding IP address to analyze the domain name of the message. Domain name is the name of a computer or a computer group on the Internet, used to...

Domain Name analysis is the conversion process of the domain name to IP address. IP address is the number address which identifies your site in the network. To make it simple and easy to remember, we use domain name to replace IP address to identify the...

External processor refers to the processor which specializes in the import, export and other operations in multi-processor system. The external processor has the ability to host parallel processing of data. It can output data to the system host and...

There are many different types of memory, and can be divided into the main memory and external memory (secondary memory) according to the usage. Main memory is also known as internal memory. Auxiliary memory is also known as external memory. External...

It is the general reference of input and output devices and the external memory in the computer system. It plays a role of data and information transmission, transfer and storage. It is an important part of the computer system. It usually includes...

Media Access Control(MAC) is the bottom-level component of data link layer, is used in Carrier Sense Multiple Access with Collision Detection (CSMA / CD) in the local area network (LAN) and to share access to transmission medium in Ring LAN.

Learning curve sometimes are called practice curves. In order to know  the phenomenon of the learning process and progress of the study to list them as later guide to efforts, people  apply statistical methods to make a line graph and show it out.

"Serial number", sometimes referred to "machine code", is that some software takes some protective measures to prevent piracy. When the user registers, a unique identification code will be generated according to the user's computer hardware and software...

Components or devices which are used to delay signal for some time are known as delay line. Delay line should be flat within the passband amplitude frequency characteristics and a certain phase shift (or delay frequency characteristics), and have the...