Explain direct memory access, Computer Engineering

Assignment Help:

Explain Direct Memory Access.

A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs the IO device to generate memory addresses and transfer data by the bus using interface controllers.

 


Related Discussions:- Explain direct memory access

Analysts in computer operations, Q. Analysts in Computer Operations? Co...

Q. Analysts in Computer Operations? Computer Operations: All of the shared computers comprising mainframes, minicomputers and other computers are put to operation and same is c

Resetting the computer, Sometime you may have to reset your computer (i.e.,...

Sometime you may have to reset your computer (i.e., Reboot DOS) when it is still running because DOS does not work accurately. To reset your computer you have two choices: 1. P

Problem solving in parallel-, Problem Solving In Parallel Introduction ...

Problem Solving In Parallel Introduction to Parallel Computing This section examines how a particular task can be broken into minor subtasks and how subtasks can be answer i

COA, During instruction execution, there are other parts of the CPU that ca...

During instruction execution, there are other parts of the CPU that can determine when a physical register might be freed. Briefly describe where else we can put freeing logic and

What is index register, What is index register? In index mode the effec...

What is index register? In index mode the effective address of the operand is formed by adding a constant value to the contents of a register. The register used might be either

Amdahl law to measure speed up performance, Q. Amdahl Law to measure speed ...

Q. Amdahl Law to measure speed up performance? Remember that speed up factor assists us in knowing relative gain attained in shifting execution of a task from sequential comput

What is response ratio, What is response ratio? HRRN that is Highest Re...

What is response ratio? HRRN that is Highest Response Ratio Next scheduling is a non-preemptive discipline, as same to Shortest Job First (SJF) wherein the priority of all jobs

Illustrate about system memory-management mode, Memory - management mode ...

Memory - management mode System memory-management mode (SMM) is on the same level as protected mode, real mode and virtual mode though it is provided to function as a manager

Describe big notation, Q. Describe Big Notation? Big O Notation : The ...

Q. Describe Big Notation? Big O Notation : The set O (g(n)) comprises all functions f(n) for that there exists   positive constants c such that for satisfactorily large values

What is dispatch unit, What is dispatch unit? A separate unit which we ...

What is dispatch unit? A separate unit which we call the dispatch unit fetch instructions from the front of the queue and sends them to the execution unit. The dispatch unit al

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