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Difference between an microcontroller ic and an embedded system ic?

A micro controller is a programmable device, it is a small computer on one chip, it can be programmed to control devises in the outside world, IE a PIC see more here http://patenttrade.net, where an integrated circuit is normally a device that is made to do a predefined function like the 555 timer/counter device.


What factors affecting the computer architecture?

- Some of the reasonse about performance of Computersvirusminimum RAMProcessor speedMinimum hard drive space


List four products-services that could be offered by a computer retailer and suggest methods of promoting or enhancing sales what are the benefits of these promotions to thganisation?

Deluxe has been an industry leader in providing everything from business checks and forms, to promotional products, logo design, website design, and other marketing services, as well as payroll services and more. Deluxe has everything a business needs. is.gd/8ckOY5


What are the four evolution of software engineering?

upgradation of old softwares. e.g- anti-viruses. provides opportunities for new jobs and latest requiremants. provides better interfacing between hardware & software.


What is the first stage in a typical four-stage CPU pipeline?

Different CPU designs use many different pipelining models with varying numbers of stages. The more stages, the more powerful your CPU is likely to be, but it is also much more complicated to design. Typical stages go like this: 1. Calculate next execution address (often just incrementing the address pointer, and not needing a separate pipeline stage) 2. Fetch instruction 3. Decode instruction 4. Calculate operand address(es) 5. Fetch operands 6. Perform operation. Some of these stages may be absorbed into a single step. If an instruction in the pipeline is conditional (such as branch if zero), the condition may not be known for a while, because the calculation that produces it can be still in the pipeline when the result is needed. Then the pipe has to be "stalled" until the test can be completed (inefficient!) or a guess is made as to the outcome and if it later turns out wrong then the pipe has to be cleared and some of the instructions re-executed. This is very messy! In a modern CPU this is further complicated by such things as cache memory where recently used instructions and data are kept to save having to fetch them from main memory, also pre-fetch which gets several extra instructions from memory ready to be executed when needed. Hyper-threading can also be provided; broadly, this looks for execution cycles that can't be used because the pipeline is stalled, and runs a different program to take advantage of the spare time. It looks a bit like a second CPU with 30% or so of additional performance. So the answer to your question is: it depends on the CPU, but typically the first stage is to fetch the next opcode from memory

Related Questions

Why the microprocessor starts with four number?

the binary numbers are in four bit number


When was The Four Stages of Cruelty created?

The Four Stages of Cruelty was created in 1751.


How many stages does a butterfly's have?

about four to five stages


What are the four stages of the metamorphosis?

The four stages of complete metamorphosis is the egg,larva,pupa,and then the adult


What are the four primary stages of the moon?

Moon have many stages..


Does a praying mantis have four stages?

no it has 3 life stages


Which animal do not pass through four stages of growth?

Most animals do not pass through four stages of growth. Butterflies, moths and mosquitoes are the common organisms that pass through the four stages of growth.


What are the four stages of policy life cycle?

The four stages of policy life cycle are agenda setting (identifying an issue that requires action), policy formulation (developing proposed solutions), policy implementation (putting the policy into action), and policy evaluation (assessing the effectiveness and impact of the policy).


How many stages are there for a frog to grow?

Egg (spawn); tadpole; tadpole developing four legs and absorbing tail; young frog emerging from the water to live a semi-aquatic life.


What are four stages of human life?

The four stages of life are-infant, childhood, adolescence, adulthood. Hope this helps :)


What are the four stages of the document work-flow process?

This includes four stages/steps: capture, manage, store, and deliver.


How many stages does a donkey have?

four