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Q : Why must drams be refreshed and how may a refresh operation....

Computer Engineering :

question 1 why must drams be refreshed and how may a refresh operation be carried out2 what is the maximum refresh

Q : Why does a dram require two chip selects ras and cas....

Computer Engineering :

question 1 why does a dram require two chip selects ras and cas whereas a static memory requires only a single cs

Q : What are the advantages and the disadvantages of the prom....

Computer Engineering :

question 1 what are the advantages and the disadvantages of the prom as an address decoder in comparison with decoders

Q : A manufacturer designs a single-board computer with eight....

Computer Engineering :

question a manufacturer designs a single-board computer with eight pairs of bytewide eproms to hold system firmware the

Q : What does primary address range mean when it is applied to....

Computer Engineering :

question 1 what are the criteria by which address decoders are judged that is what factors does an engineer take into

Q : A microcomputer designer decides to implement the simplest....

Computer Engineering :

question 1 what is meant by the terms partial address decoding and full address decoding2 a microcomputer designer

Q : When designing an address decoder a block of memory should....

Computer Engineering :

question 1 when designing an address decoder a block of memory should be mapped onto a boundary equal to its own size

Q : Why is ras-oniy refreshing now less popular than....

Computer Engineering :

question 1 why is ras-oniy refreshing now less popular than cas-before-ras refreshing why does the cas-only refresh

Q : Some drams support page nibble and static column modes but....

Computer Engineering :

question 1 some drams support page nibble and static column modes but not all three of these modes together explain

Q : What is the difference between a vectored and an....

Computer Engineering :

question 1 what is the difference in motorola terminology handling2 what is the difference between a vectored and an

Q : A large corporation used to make computer systems to....

Computer Engineering :

question a large corporation used to make computer systems to control sections of rail track the designers of these

Q : During an iack cycle a peripheral may supply one of 256....

Computer Engineering :

question during an iack cycle a peripheral may supply one of 256 possible vector numbers this includes numbers from 0

Q : Suppose you have to use a non-68000-series peripheral that....

Computer Engineering :

question suppose you have to use a non-68000-series peripheral that signals an interrupt by asserting a single

Q : Consider a 68000 system with n peripherals capable of....

Computer Engineering :

question consider a 68000 system with n peripherals capable of generating a vectored interrupt suppose the ith

Q : A print spooler prints one or more files as background jobs....

Computer Engineering :

question a print spooler prints one or more files as background jobs while the processor is busy executing a foreground

Q : Microprocessors like the 68000 use address and data buses....

Computer Engineering :

question microprocessors like the 68000 use address and data buses and special-purpose dedicated control pins to

Q : The 68000 uses a rw output to indicate a read or a write....

Computer Engineering :

question 1 the 68000 uses a rw output to indicate a read or a write cycle an alternative is to employ separate re read

Q : Why does the 68000 require only one address strobe as but....

Computer Engineering :

question 1 why does the 68000 require only one address strobe as but two data strobes uds and lds would a single pair

Q : The 68000 bus cycle lasts 4 nt y seconds where n i s the....

Computer Engineering :

question 1 what is the meaning of data setup time and data hold time can either of these values be zero can they be

Q : Describe the 68000 read cycle explaining the actions that....

Computer Engineering :

question 1 describe the 68000 read cycle explaining the actions that take place and the relationship between them2 what

Q : Design a universal programmable interface that can connect....

Computer Engineering :

question 1 design a universal programmable interface that can connect almost any peripheral to a 68000 system-even if

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

Computer Engineering :

question 1 what is the difference between the way in which the 68000 and the 68020 use the function code outputs2 what

Q : If you had to design a 32-bit address and data interface to....

Computer Engineering :

question - if you had to design a 32-bit address and data interface to a modern microprocessor how would you go about

Q : Identify these four parameters and explain how they cause....

Computer Engineering :

question identify these four parameters and explain how they cause timing problems delays in interface logic eg address

Q : Assume that we are using a 68000-based system what 68000....

Computer Engineering :

question 1 give the size ie number of addressable locations of each of the following memory blocks as a power of 2a 2