Why io devices cannot be connected to the system bus, Computer Engineering

Assignment Help:

Why IO devices cannot be directly be connected to the system bus?

The IO devices cannot be directly linked to the system bus because

i.  The data transfer rate of IO devices is slower that of CPU.

ii. The IO devices in computer system has dissimilar data formats and work lengths that of CPU.

So it is essential to use a module among system bus and IO device known as IO module or  IO system

 


Related Discussions:- Why io devices cannot be connected to the system bus

Temporary registers w and z, Why the temporary registers W and Z are named ...

Why the temporary registers W and Z are named so I mean we start from A,B,C,D,E then H and L coz H stands for higher bit nd L for lower bit of the address pointed by memory pointer

Define alphabet and string, Define Alphabet and String? A finite set of...

Define Alphabet and String? A finite set of symbols is termed as alphabet. An alphabet is frequently signified by sigma, yet can be specified any name. B = {0, 1} here B is

How do you decide which integer type to use, It depends on our requirement....

It depends on our requirement. When we are needed an integer to be stored in 1 byte (means less than or equal to 255) we use short int, for 2 bytes we use int, for 8 bytes we use l

Hidden input, Yet another type of input is HIDDEN input. A HIDDEN in...

Yet another type of input is HIDDEN input. A HIDDEN input is a value/name pair which is returned to you but doesn

Electrical technology, voltage,current and power relation in a delta connec...

voltage,current and power relation in a delta connection

Message passing programming, Message passing is possible the most widely us...

Message passing is possible the most widely used parallel programming paradigm these days. It is the most portable, natural and efficient scheme for distributed memory systems. It

Function makestk-predicate function emptystk, 1. Create the following ADTs....

1. Create the following ADTs. (a) Write the constructor function makestk, predicate function emptystk and mutator functions pushstk and popstk: i. makestk returns a new stack

What is associative search, What is associative search? The cost of an ...

What is associative search? The cost of an associative cache is higher that the cost of a direct mapped cache due to the need to search all 128 bit tag patterns to verify wheth

C, "Super ASCII", if it contains the character frequency equal to their asc...

"Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''a''-''z'') and the ascii values will starts from

Define the message queues, The message queue provides the information about...

The message queue provides the information about sizes of queues under utilization of various processors. It points to size of every processor incoming message queue that would be

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd