Why is the data bus in most microprocessors bidirectional, Computer Engineering

Assignment Help:

Why is the data bus in most microprocessors bidirectional while the address bus is unidirectional?

 Data Bus:  These lines are used to send data to memory by output ports and to receive data from memory by input ports. Thus, data bus lines are bi-directional.

 Address Bus:  On these lines the CPU send out the address of the memory location or I/O port that is to be written to or read from. Here, the communiation is one-way, the address is send from CPU to memory and I/O port and as these lines are unidirectional.

 


Related Discussions:- Why is the data bus in most microprocessors bidirectional

Discuss about second generation electronic computers, Second Generation (19...

Second Generation (1954-1962) The second generation saw various significant developments at every level of computer system design, from technology used to build the basic circu

What is small computer systems interface, Q. What is Small Computer Systems...

Q. What is Small Computer Systems Interface? The other well-liked way is to connect a disk drive to a PC by a SCSI interface. Common drive choice for high-end workstations or s

Define both fork and vfork, How and when race conditions happen in process ...

How and when race conditions happen in process control? How can it be avoided? b. Differentiate among following functions giving related syntax: (i) fork and vfork (ii) w

What is the use and function of file transfer protocol, What is the use and...

What is the use and function of File Transfer Protocol? FTP : File Transfer Protocol (FTP) is the protocol used upon the Internet for sending files and is usually used fo

What functions connect( )& accept( ) call in socket interfac, What function...

What functions connect( ) and accept ( ) call in Socket interfacing? connect() system call: Clients use procedures connect to initiate connection with an exact server. The

Write an algorithm for the braking system, Question: a) Consider a car ...

Question: a) Consider a car having a collision detection mechanism. Write an algorithm (in simple English) to illustrate the collision detection mechanism. b) The same car

Define register file, Define register file. All general purpose registe...

Define register file. All general purpose registers are combined into a one block called the register file.

What are the main advantages of sound, Problem: (a) What are the two m...

Problem: (a) What are the two main advantages of sound? (b) UTMDigitlab ltd, specialized in digitizing sound, converts an audio stream of the latest album of Britney Spea

What guarantees the integration of all application modules, What guarantees...

What guarantees the integration of all application modules? The R/3 basis system guarantees the integration of all application modules.  The R/3 basis s/w gives the run time e

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