VHDL (VHSIC Hardware Description Language)
is a language for describing hardware. Its requirement emerged during the VHSIC development program of the US Department of Defense. The department organized a work shop in 1981 to lay down the specifications of a language which could describe hardware at various levels of abstractions, could generate test signals and record responses, and could act as a medium of information exchange between the chip foundries and the CAD tool operators. However, due to mi ....etc

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Real Time Operating Systems for Networked Embedded Systems


Fire Alarm System

Problem
Hundreds of sensors, each fitted with Low Range Wireless
Sensor information to be logged in a server & appropriate action initiated
Possible Solution
Collaborative Action
Routing
Dynamic – Sensors/controllers may go down
Auto Configurable – No/easy human intervention.
Less Collision/Link Clogging
Less no of intermediate nodes
Fast Response Time
Secure

....etc

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Hardware Abstraction Layer - HAL

HAL is Microsoft's abbreviation for the Hardware Abstraction Layer, the technology and drivers that let the Windows NT, 2000, and XP operating systems communicate with your PC's hardware. HAL is one of several features--along with the NT file system (NTFS) that replaced the much less secure MS-DOS--that make NT-based operating systems more secure and reliable than Windows 95, 98, and Me.

HAL prevents applications from directly accessing your PC's system memory, C ....etc

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Acceleration hardware

Acceleration hardware refers to devices that speed up data communications, storage and retrieval, encryption and decryption, mathematical operations, graphics, and Web page viewing. Acceleration hardware can consist of an individual integrated circuit (also called an IC or chip), a printed circuit card, or a self-contained system.

A NAS accelerator is a printed circuit card that offloads TCP/IP processing from a microprocessor. This can reduce latency, increase throughput, ....etc

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Introduction

In the today’s IT generation communication plays a major role in almost every field. From companies to the general public, communication has become an integral part of our lives. Hence, till date more extensive research and technology is being experimented and implemented. In this modern era, industries are also automating their services and communication so as to keep up to date with growing pace. Industries are implementing the concept of networking, let it be at the local level (LAN) or on ....etc

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ABSTRACT

This paper presents a new design and implementation of HDD (Hard Disk Drive) embedded DSR (Digital Satellite Receiver). The digital broadcasting technology enables multimedia access via broadcasting system. The amount of digital data to be processed is increased as compared to the previous broadcasting environment. In this paperâ„¢ a method is proposed to provide storage ability of a DSR to cope with these changes. Efficient digital data storage and management technology is also discussed. The real data recording and playing b ....etc

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Embedded systems Design A unified hardware and software introduction



Introduction
Embedded systems overview
What are they?
Design challenge – optimizing design metrics
Technologies
Processor technologies
IC technologies
Design technologies

Embedded systems overview
Computing systems are everywhere
Most of us think of “desktop” computers
PC’s
Laptops
Mainframes
Servers
But there’s another type of computing system
Far more common...
Embedded computing systems
Computing sys ....etc

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Open Real-time Robotics Control - PC Hardware, Windows/VxWorks Operating Systems and Communication
Abstract
In the modern robotics systems the users must combine hardware, operating
systems and network. Robot controller is a real-time operating system with multiple
tasks and processors, the hardest real-time requirements are in path control, there
coordinated movements of multible axes and other tasks must be controlled. The
robotics society is going to increase PC’s as part of the control platforms. Same time
modularised, dist ....etc

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SUBMITTED BY
Trupty Acharya


ABSTRACT
This is the era of revolutions in electronics design and it has been improving by the continuous advancement in the technology and computer science in the last three decades. The electronics industries are growing rapidly due to the development in integrated circuits (ICs). Although the use of high performance computing, telecommunication devices, computers are increasing rapidly, they are not easily portable. This age is for portable gadgets which serve all types of comm ....etc

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