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

Masters and slaves, The devices on the I2C bus are either masters or slaves...

The devices on the I2C bus are either masters or slaves. The master is the device that is responsible for driving the SCL clock line, while the slaves are the devices that respond

What is unique port number, Q. What is Unique port number? A port is an...

Q. What is Unique port number? A port is an extra 16-bit number which uniquely identifies particular service on any given machine on Internet. Port numbers are 16 bit wide, con

Disadvantages of mpi, Disadvantages of MPI  Performance is restric...

Disadvantages of MPI  Performance is restricted by communication network between the nodes It can be harder to debug Needs more programming changes to go from seri

Expalin johnson counter, Write short note on the Johnson counter. Ans:...

Write short note on the Johnson counter. Ans:  Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the

Logic gates required to build a half adder, What are the gates required to ...

What are the gates required to build a half adder ? Ans. The gates needed to build a half adder are EX-OR gate and AND gate as shown below the logic diagram of half adder:

Process of breadth first search, Process of Breadth first search: It's...

Process of Breadth first search: It's very useful to think of this search as the evolution of the given tree, and how each string of letters of word is found via the search in

Instruction queue in bus interface unit, Q. Instruction Queue in Bus Interf...

Q. Instruction Queue in Bus Interface Unit? Instruction queue is employed to store the instruction ‘bytes' fetched. Please conceren two points here: that it's (1) A Byte (2) Qu

Medical diagnosis program, Diagnosis: Medical diagnosis program bases on p...

Diagnosis: Medical diagnosis program bases on probabilistic analysis have been able to perform at the level of an expert physician tin several areas of medicine. Heckerman(1981)

Number of addresses in an instruction, Generally the Instruction Set Archit...

Generally the Instruction Set Architecture (ISA) of a processor can be distinguished using five categories:  Operand Storage in the CPU - Where are the operands kept other t

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