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CS Microprocessors and Microcontrollers. What are the two orthogonal views of software? What is an object?
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Computer Organization & Architecture CS notes – Annauniversity lastest info
Give examples for general purpose processor. A way of doing one or more tasks according to a program. What is an embedded system? What are the typical characteristics of an embedded system? What are the advantages of embedded system?
Customization yields lower area, power, cost, etc. What are the disadvantages of embedded system? What are the applications of an embedded system? What are the complicating factors in embedded design?
CS2253 Computer Organization and Architecture Nov Dec 2015 Question Paper
What are the real-time requirements of an embedded system? What are the functional requirements of embedded system?
What are the main components of an embedded system? Three main components of embedded systems: An embedded microcontroller is particularly suited for embedded applications to perform dedicated task or operation. Explain digital signal processing in embedded system continued digitization of signals increasing the role of DSP in ES.
What are the various classifications of embedded systems? Small scale embedded systems 2. Medium scale embedded systems 3. Sophisticated embedded systems architwcture What are the two llecture units of a processor on an embedded system?
Program flow control unit CU 2. Execution unit EU What does the execution unit of a processor in an embedded system do? The execution unit implements data transfer and data conversion. It includes circuits that execute instruction for jump, interrupt, etc. Digital Signal Processor 5. An ASSP is dedicated to real-time video processing applications such as architectre conferencing, video compression and decompression systems. It is used as an additional processing unit for running application specific tasks in the place of processing using embeddedsoftware.
It is used for displaying and messaging. Traffic light status indicator, remote controls,signals, etc. The system must provide necessary circuit and software for the output to LCD controller. ROM image in a system memory consists of: Boot-up program, stack address pointer, jotes counter address pointer, application tasks, ISRs, input data, RTOS and vector addresses. Bytes at each address must be defined to create ROM image.
Give some examples for small scale embedded systems.
Give some examples for medium scale embedded systems, 80×86, ,68HC11xx Give the reactivity in comouter system. What are the various embedded system requirements Types of archigecture imposed by embedded applications: What are the temporal requirements? Give the classification of embedded system.
What are the types of programmable logic? The design process, at various levels, is usually evolutionary in nature. It starts with a given set of requirements. Initial design is developed and tested against the requirements. When requirements are not met, the design has to be improved.
If such improvement is either not possible or too costly, then the revision of requirements and its impact analysis must be considered.
The Y-chart first introduced by D. Gajski shown in Fig. Give the VLSI design hierarchy The use of hierarchy or “divide and conquer” technique involves dividing a module into sub- modules and then repeating this operation on compuger sub-modules until the complexity of the smaller parts becomes manageable.
This approach is very similar to the software case where large programs are split into smaller and smaller sections until simple subroutines, What are embedded cores? More and more vendors are selling or giving away their processors and peripherals in a form that is ready to be integrated into a programmable logic-based design.
Architeecture both recognize the potential for growth in the system-on-a-chip area and want a piece of the royalties or want to promote the use of their particular FPGA or CPLD by providing libraries of ready-to-use building blocks. Either way, you will gain with lower system costs and faster time-to-market. What are hybrid chips? The vendors of hybrid chips are betting that a processor core embedded within a programmable logic device will require far too many gates for typical applications.
The fixed logic contains a fully functional processor and perhaps even some on-chip memory. This part of the chip also interfaces to dedicated address and data bus pins on the outside of the chip. What do you meant by gatecounts? The gate count by itself is almost useless. Different vendors use different measures: Or a large device may be included to allow prototyping of a system-on-a-chip design that will eventually find its way into an ASIC.
Either way, the basic idea is the same: When the product is ready to ship in large quantities, the programmable device will be replaced with a less expensive, though functionally equivalent, hard-wired alternative This is apparent when you look at the structures inside. Figure 2 illustrates a typical FPGA architecture. There computerr three key parts andd its structure: One common use is to prototype a lump of hardware that will eventually find its way into an ASIC.
These were the first chips that could be used to implement a architwcture digital logic design in hardware. What are dependability requirements of an embedded system?
Explain the various arcihtecture of memory and the functions assigned to them. Explain the software embedded systems 4. Explain the components of exemplary embedded systems 5. Describe the architecture of a typical micro controller with a neat diagram. Explain the basic processors and hardware units in the embedded system organizatiin.
Explain how software is embedded into a system 8.
Explain the methods used in the embedded system on a chip 9. List the hard ware units that must be present in the embedded systems. The total addressable memory size is 64 KB.