（I work at an office supply store and would like to greatly increase my knowledge of our electronic products. We sell computers, monitors, PDA’s, printers, telephpones, cameras, fax machines, all-in-ones, software, etc.） Answer ： Cnet.com is a good resource. They have professional reviews. But, be wary… some of the reviews may be biased… Another good Read more »
Tag Archives: Software
What is Domain Name Server?
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 identify the electron position of computer in data Read more »
What is Domain Name Analysis?
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 site address. Domain name analysis is completed by the Read more »
What is Media Access Control(MAC)?
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.
What are Learning Curves?
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.
What is Serial Number?
“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 information on which the software is installed, commonly known as machine code, also known as serial number, authentication Read more »
What is Control Panel?
The main station may be called the control panel, whose role is to control the whole bus, configure and diagnose. It has a IO data stack which preserves all the IO data. When the bus is running, the main station sends output signal to the scene peripheral equipment, simultaneously receive the input signal of the Read more »
What is Control Box?
Control device is often referred to as control box, and its role is: (1) reliably access and cut off the primary power source of welding transformer. (2) control the flash welding machine to automatically work according to the scheduled welding cycle.
What is Control System?
Control system means the management system consisting of that the control subjects and control objects and control media with its own objectives and functions.
What is Inference Engine?
Inference Engine is the part designed to implement knowledge-based reasoning in the expert system , including two aspects, inference and control, and is also an important and indispensable part of the knowledge system.
What is Complete Functional Dependency?
If in the relation R (U), the property or property portfolio Y function depends on the property or property portfolio X, and Y is not dependent on any subset of X, we say that the property or property portfolio Y is completely dependent on X.
What is Current Directory?
To improve the retrieval speed of files, file system provides users with a directory currently in use, which is called the current directory.
What is Print Server?
Print server provides a simple and efficient network printing solution. Connect one end to the printer and connect the other end to the network. So that no matter where the printer is in the network, all the users can easily access the printer in the local network.
What is Scanner?
Scanner is a high-precision optical integrated high-tech product, an important tool putting various forms of image information into the computer. It’s the third generation of input device of computers following the keyboard and mouse. It is a tremendously powerful input device. People usually use it in computer image input, and image is a form with Read more »
What is Instruction Set?
Instruction set is the language system of the computer hardware, also known as machine language, which is the main interface of software and hardware, and from the system structure point of view, it is the main property of a computer seen by programmers. Therefore, the instruction set determines that the computer’s basic functions decide the Read more »
What is RISC instruction set?
RISC instruction set is the future direction of development of high-performance CPU. It is compared with the traditional CISC (complex instruction set). In contrast, RISC instruction format are in unification with less types and also less addressing modes than the complex instruction set. Of course, speed will increase a lot. And the RISC instruction set Read more »
What is X86 instruction set?
X86 instruction set was specially developed by Intel for the first 16-bit CPU (i8086), and was also used in the CPU-i8088 (i8086 Starter Edition) used in the world’s first PC launched by IBM in 1981. Despite the continuous development of the CPU technology, Intel released the newer i80386, i80486, until today, in order to ensure Read more »
What is Data Link?
In the data communications network, connecting the telecommunications facilities of two or more data points according to the technical requirements of one link protocol is called data link. In Data link, in addition to the physical lines, there also have to be a communication protocol to control the data transmission. If the hardware and software Read more »
What is Data Independence?
Data independence is one of the most important goals for a database system, makes it possible for the data to be independent of the application. It can be said that the history of data processing is the history of data independence evolvment. In the manual management phase, data and processes are inextricably intertwined, lacking independence. Read more »