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Multimedia Systems
Published in Sreeparna Banerjee, Elements of Multimedia, 2019
The most popularly used connecting devices are: Small computer system interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripherals.The media control interface (MCI) typically consists of four parts: (i) AVI video, (ii) CD audio, (iii) sequencer, and (iv) waveaudio, with each of these devices playing certain types of files.The integrated drive electronics (IDE) interface is a standard way for storage devices to connect to a computer.These first three devices have become obsolete and currently the USB is used.The universal serial bus (USB) is a serial bus standard for interface devices.
The Laboratory Use of Computers
Published in Grinberg Nelu, Rodriguez Sonia, Ewing’s Analytical Instrumentation Handbook, Fourth Edition, 2019
The small computer system interface (SCSI) described earlier to connect peripherals (such as hard drives) to the system bus of the computer can also be used to connect to external instruments. This is a relatively expensive solution and would only be used when extremely high data transfer rates are required.
Carrying Real-Time Audio Over Computer Interfaces
Published in Francis Rumsey, John Watkinson, Digital Interface Handbook, 2013
Francis Rumsey, John Watkinson
FireWire is an international standard serial data interface specified in IEEE 1394–19952. One of its key applications has been as a replacement for SCSI (Small Computer Systems Interface) for connecting disk drives and other peripherals to computers. It is extremely fast, running at rates of 100, 200 and 400 Mbit/s in its original form, with higher rates appearing all the time up to 3.2 Gbit/s. It is intended for optical fibre or copper interconnection, the copper 100 Mbit/s (S100) version being limited to 4.5 m between hops (a hop is the distance between two adjacent devices). The S100 version has a maximum realistic data capacity of 65 Mbit/s, a maximum of 16 hops between nodes and no more than 63 nodes on up to 1024 separate buses. On the copper version there are three twisted pairs – data, strobe and power – and the interface operates in half duplex mode, which means that communications in two directions are possible, but only one direction at a time. The ‘direction’ is determined by the current transmitter which will have been arbitrated for access to the bus. Connections are ‘hot pluggable’ with auto-reconfiguration – in other words one can connect and disconnect devices without turning off the power and the remaining system will reconfigure itself accordingly. It is also relatively cheap to implement.
Development of Object-oriented PIC Code for Simulation of Plasma Flow Around a Satellite in Solar Corona
Published in International Journal of Computational Fluid Dynamics, 2021
Jorge Alberto García Pérez, Kojiro Suzuki
This separation of responsibilities was expressed in the architecture of the program by the protocol depicted in Figure 5. For the classes Mesh, PIC and Field, first, the basic numerical method is written in a class; then, another class is created which inherits from the previous class and from a class named Mesh/ PIC/ Field_recursion. The second parent class works as a blueprint for the new class, indicating the methods and attributes that the new class needs to have in order to work as a class that can deal with embedded meshes. The role of Mesh/PIC/Field_recursion classes in SCSI is similar to the concept of ‘Interface’ in programming languages such as Java, PHP and C#; the intention is that the class is never used to directly create objects from it, and only serves to the purpose of enforcing certain functionalities in the classes that inherit from it.