Embedded Systems.. EASY questions!

Question 1 Real time issues in embedded systems

Write a discussion of the issues involved in designing real time systems. Include the following systems: Bare metal programming, Linux or Unix operating systems, and microkernel designs.

Describe the advantages and potential problems of these types of system

Some information and references can be found in the folder

Question 2 JTAG description, and use for testing and flash programming

To answer this question, you may cut and paste any diagrams and paraphrase, but preferably condense, any text you wish. Please reference all sources you use. Format your answer as you wish, but try to cover all the following points.

Using the references below and/or any others you can find, answer the following questions.

Describe briefly the principles and methods of the boundary scan testing through the JTAG interface. Refer to: http://en.wikipedia.org/wiki/Joint_Test_Action_Group

And

http://boundaryscan.blogspot.ca/2010/04/tutorial-role-of-jtag-in-system-debug.html

and

http://www.corelis.com/education/JTAG_Tutorial.htm