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Embedded Computers

Embedded Computers. Thaer Al-Kilani Mohammed Al-Fawaier Qayss Al-Sayyad. Embedded Computers (Systems). Embedded Computers General Idea of Embedded Systems Characteristics of Embedded Systems History of Embedded Systems. General Idea.

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Embedded Computers

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  1. Embedded Computers • Thaer Al-Kilani • Mohammed Al-Fawaier • Qayss Al-Sayyad

  2. Embedded Computers (Systems) • Embedded Computers General Idea of Embedded Systems Characteristics of Embedded Systems History of Embedded Systems

  3. General Idea • An Embedded system is a computer system that performs one or few jobs. We call it 'embedded' because it is an electrical computer system that works on electrical pulses, and can control mechanicals. • A personal computer is multi-purpose, But an embedded computer is single-purpose. Personal Computers are controlled by the CPU, But embedded computers are controlled by either a Micro controller, or a Digital Signal Processor, which both of them have the same function as a CPU. Personal Computers ,and embedded computers have the same parts. Some devices that consist of embedded systems : Routers, PDA's,Printers,Micro-Wave Oven.Embedded Systems are in every aspect of life, which makes them useful for every one in this society.

  4. Characteristics • 1. Embedded systems are designed to do some specific task, rather than be a computer for multiple tasks. • 2. Embedded systems are not always standalone devices. Many embedded systems consist of small, computerized parts within a larger device that serves a more general purpose. • 3. The program instructions written for embedded systems are referred to as firmware, and are stored in read-only memory or Flash memory chips. They run with limited computer hardware resources: little memory, small or non-existent keyboard and/or screen.

  5. History • In the earliest years of computers in the 1930–40s, computers were sometimes dedicated to a single task, but were far too large and expensive for most kinds of tasks performed by embedded computers of today. • Since these early applications in the 1960s, embedded systems have come down in price and there has been a dramatic rise in processing power and functionality. The first microprocessor for example, the Intel 4004, was designed for calculators and other small systems but still required many external memory and support chips. • By the mid-1980s, most of the common previously external system components had been integrated into the same chip as the processor and this modern form of the microcontroller allowed an even more widespread use, which by the end of the decade were the norm rather than the exception for almost all electronics devices.

  6. Thank You Done by: Thaer Al-Kilani Mohammed Al-Fawaier Qais Al-Sayyad

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