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Q : Hamming codes become more efficient efficiency is the ratio....

Computer Engineering :

question 1 what is a modified hamming code and what are its advantages over a standard hamming code2 hamming codes

Q : What is the minimum number of check bits required to detect....

Computer Engineering :

question 1 what is the difference between fec and arq from the point of view of error correction and why can they both

Q : If the mtbf for a given 1-mbit dram chip is 0001 percent....

Computer Engineering :

question 1 why do 16-bit microprocessors with byte readwrite capabilities make life difficult for the designer of

Q : What are the conditions necessary to implement double error....

Computer Engineering :

question 1 what are the conditions necessary to implementa single error detectionb single error correctionc double

Q : What would happen if a 68020 processor attempted to access....

Computer Engineering :

question 1 what would happen if a 68020 processor attempted to access a nonexistent floating point coprocessor

Q : Why cannot the 68000 be used in conjunction with the 68451....

Computer Engineering :

question 1 why cannot the 68000 be used in conjunction with the 68451 mmu to design true virtual memory systems2 why

Q : The pmmu can be programmed to treat the high-order three....

Computer Engineering :

question 1 what is the difference between a pmmu page descriptor and a table descriptor why are both these descriptors

Q : How would you program the pmmus tc register to implement a....

Computer Engineering :

question 1 how would you program the pmmus tc register to implement a two-level page system with a page size of 8

Q : In what ways are the 68030 transparent address translation....

Computer Engineering :

question 1 in what ways are the 68030 transparent address translation register rather like the 68451 mmu and in what

Q : To what extent do the 68020 instruction cache and the 68030....

Computer Engineering :

question 1 why is it much harder to design a data cache than an instruction cache2 to what extent do the 68020

Q : The 68000 interrupt structure requires several external....

Computer Engineering :

question 1 the 68000 interrupt structure requires several external packages if its full facilities are to be used

Q : If during an tack cycle berr is asserted instead of dtack....

Computer Engineering :

question 1 suppose you require more than 192 interrupt vectors can you locate some of the additional vectors in the

Q : Investigate the rate at which tasks should be switched in a....

Computer Engineering :

question 1 a manual interrupt can be implemented by connecting irq7 to a push button each time the button is depressed

Q : Write 68000 assembly language instructions to perform the....

Computer Engineering :

question 1 what does context switching mean and how can it be implemented making best use of the 68000 features2 write

Q : Why does the 68000 have a supervisor mode in contrast to....

Computer Engineering :

question 1 why does the 68000 have a supervisor mode in contrast to many 8-bit microprocessors what instructions are

Q : Write a trace exception handling routine that displays the....

Computer Engineering :

question write a trace exception handling routine that displays the contents of registers whenever an instruction is

Q : What are the differences between traps illegal instruction....

Computer Engineering :

question 1 what are the differences between traps illegal instruction exceptions and line a and line f exceptions2

Q : The 68000 is running in its supervisor mode and you want to....

Computer Engineering :

question 1 after an exception the program counter is saved on the supervisor stack what does this value of the pc point

Q : Why does the location of the 68000s reset vectors cause the....

Computer Engineering :

question 1 why does the location of the 68000s reset vectors cause the system designer so many problems why are the

Q : Describe the 68000s berr exception sequence explain why the....

Computer Engineering :

question 1 describe the 68000s berr exception sequence explain why the 68000 berr sequence is limited by comparison

Q : Design a circuit that would assert both berr and halt for a....

Computer Engineering :

question 1 what is the effect of the stop f instruction and how do you think it might be used2 design a circuit that

Q : How does the 68010s vbr enhance the 68000 family s....

Computer Engineering :

question 1 how can a systems designer use the 68000 function code outputs to enhance the design of a microcomputer2 how

Q : What is the difference between the way in which the 68000....

Computer Engineering :

question 1 how does the 68010 improve the 68000s exception handling facilities2 what is the difference between the way

Q : Describe the breakpoint exception and explain how its....

Computer Engineering :

question 1 what is the difference between the 68020 instructions movec and moves2 describe the breakpoint exception and

Q : What are the format and the vector offset stored in word....

Computer Engineering :

question 1 since the 68020 has a data bus sizing mechanism and can access word and longword values at even boundaries