Posts Tagged ‘mobile computer repair’
Computer maintenance and repair (SIC 7378): Information from
(SIC 7378)
This category covers establishments primarily engaged in the maintenance and repair of computers and computer peripheral equipment.
NAICS CODE(S)
Internet Protocols – Denton Texas – Mobile Computer repair
Internet Protocols Networks (hardware) provide computers the basic ability of transferring bits from one computer to another. In order to use networks we need a set of rules which all of the network’s member agree on, that is a protocol.
Communication Protocol is a standard designed to specify how computers interact and exchange messages.
Protocol usually specifies:
- The format of the messages.
- How to handle errors.
In order to simplify the design and implementation of protocols, designers have decided to design a set of protocols, each has different responsibilities instead of one protocol responsible for all forms of communication. The set of protocols is called a Protocol Suite, and it cover all forms of communication as needed.
The OSI seven layers model A layering model is the most common way to divide a protocol suite to subparts and describe them individually. Layering help us to have better understanding of a protocol suite. The seven layers model, introduced by the International Organization for Standardization more than 20 years ago, is shown below:
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SIC 7378 Computer Maintenance and Repair
SIC 7378 COMPUTER MAINTENANCE AND REPAIR
This category covers establishments primarily engaged in the maintenance and repair of computers and computer peripheral equipment.
NAICS C ODE(S)
443120 (Computer and Software Stores)