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OS / 9 OS

OS / 9 OS, OSI Open System Interface, OSR OEM Service Release, OTG USB 2.0 connectivity standard action

OS / 9 OS
MOTOROLA by MICROWARE and developed by true (REAL-TIME), multi-user (MULTI-USER), multiplex (MULTITASKING) Operating System (OS), for MOTOROLA 68K series of processors (PROCESSOR) is called the version developed by OS/9.htmlOS-9/68000.

OSI Open System Interface
ISO of a communication network (NETWORK) architecture standard is divided into seven (LAYER) to Management Protocol (PROTOCOL), each layer protocols and link to the next level, send information to send Duanyou seventh floor began to pass to the first layer, by each layer protocol to be packaged (ENCAPSULATION), through the transmission media (MEDIA) to the receiving end of the first layer, and then began to open the package from the first layer, until the seventh layer corresponds to the completion of transmission, with such an architecture known as the OSI MODEL, but did not implement all the seven companies, some manufacturers will use several adjacent levels of functionality to implement a protocol, or a layer of functionality is divided into two parts to complete. OSI seven were: 1. PHYSICAL: defined media (MEDIA), transfer method (TRANSMISSION METHOD) and cabling method (TOPOLOGY) .2. DATA LINK: the definition of how to ensure that information is correct transmission, the data cut and add the source and destination addresses and data length information packed into pages Frame (FRAME). IEEE 802 specification this layer is divided into LLC (802.2) and MAC (802.3, 802.4, 802.5) .3. NETWORK: responsible for information around the track (ROUTING), including conversion address (TRANSLATES ADDRESSES), to find the best Path (BEST ROUTING) and management of traffic (TRAFFIC) .4. TRANSPORT: ensure that the information reaches the order accuracy, including the restructuring of information on the size of the order of packet inspection, traffic control, timeout (TIMEOUT) and re-transmission, error detection and multi - Public Portfolio (MULTIPLEXING) .5. SESSION: the definition of link establishment and the end of the dialogue (DIALOG), error handling and logic (LOGICAL) address of the name of conversion .6. PRESENTATION: processing data formats, including format conversion, encryption (ENCRYPTION) and decryption (DECRYPTION), Compression (COMPRESSION) and restore .7. APPLICATION: the definition of the supply of access to use the program interface and features, as well as directory services (DIRECTORY SERVICE) and file access.

OSR OEM Service Release
Microsoft (MICROSOFT) WINDOWS 95's new features and correct mistakes versions, OSR 2 began offering FAT32 functions, just as new computer sales.

OTG USB 2.0 connectivity standard action
Such action version of the USB specification, allowing users to directly to a handheld device or digital camera plugged into your printer to print photos or files. PDA can also use this interface directly with the portable hard drive connected to do file access or backup. This technology is also expected to be used in mobile phones and MP3 Walkman.
Point to point communication functions with OTG specification is expected to allow USB to compete with IEEE 1394, used in digital cameras and other home appliances products.

 
 
 



 
 
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