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Q : Write an initialization routine to set up a 68230 pirr with....

Computer Engineering :

question write an initialization routine to set up a 68230 pirr with port a as an 8-bit double-buffered input port and

Q : If you were asked to design a successor to the 68230 put....

Computer Engineering :

question 1 write a program to set up the pitt as a real-time clock with a frequency of 50 hz assume that the system

Q : What is the difference between the ieee 488 bus and a pvt....

Computer Engineering :

question 1 what is the difference betweena the ieee 488 bus and a pvt parallel interfaceb the ieee 488 bus and a

Q : How does a coprocessor recognize a 68020....

Computer Engineering :

question how does the 68020 implement a coprocessor interface that is how does it manage to use the 68020 existing

Q : In what way is the 68040 a radical departure from the 68020....

Computer Engineering :

question 1 in what way is the 68040 a radical departure from the 68020 and the 680302 in what way is the 68060 a

Q : When a cpu writes to the cache both the item in the cache....

Computer Engineering :

question when a cpu writes to the cache both the item in the cache and the corresponding item in the memory must be

Q : This theoretical speedup ratio cannot normally be achieved....

Computer Engineering :

question what is the maximum theoretical speedup ratio of a direct-mapped cache with the following parametersmain

Q : Why is the hamming error-correcting code mechanism not....

Computer Engineering :

question 1 why is the hamming error-correcting code mechanism not supplied as standard in pcs2 what are the main

Q : The 68451 mmu employs a segmented memory mapping scheme....

Computer Engineering :

question 1 describe how the 68451 mmu translates logical addresses into physical addresses2 the 68451 mmu employs a

Q : Whenever an error is detected a low-priority interrupt is....

Computer Engineering :

question design an error-logging system for an error-detecting and -correcting memory whenever an error is detected a

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