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Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
In telecommunications, packet switching is a method of grouping data into short messages in fixed format, i.e. packets, that are transmitted over a digital network.Packets are made of a header and a payload.
For most instructions that accept a ModR/M byte, encodings with the SIB byte will result in the computation of a single effective address as (scale * index) + base + displacement as described above. However, some newer x86 instruction set extensions have added instructions that use the SIB byte in other, more specialized ways:
With static fragmentation, all fragments of a data packet are of equal size, except for the last fragment. With dynamic fragmentation, a device may fill available RUs of other opportunities to transmit up to the available maximum duration. Thus, dynamic fragmentation helps reduce overhead. Guard interval duration 0.4 or 0.8 μs 0.8, 1.6 or 3.2 μs
Parallel ATA (PATA), originally AT Attachment, also known as Integrated Drive Electronics (IDE), is a standard interface designed for IBM PC-compatible computers.It was first developed by Western Digital and Compaq in 1986 for compatible hard drives and CD or DVD drives.
In packet-switched computer networks and other statistical multiplexing, the notion of a scheduling algorithm is used as an alternative to first-come first-served queuing of data packets. The simplest best-effort scheduling algorithms are round-robin , fair queuing (a max-min fair scheduling algorithm), proportional-fair scheduling and maximum ...
This new packet-based link protocol was called DS-Link, [16] and later formed the basis of the IEEE 1355 serial interconnect standard. The T9000 also added link routing hardware called the VCP (Virtual Channel Processor) which changed the links from point-to-point to a true network, allowing for the creation of any number of virtual channels on ...
The Linux kernel is a free and open source, [11]: 4 Unix-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix.