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

What is the difference between in two lines of verilog code, What is the di...

What is the difference between the following two lines of Verilog code? #5 a = b; a = #5 b; #5 a = b; Wait five time units before doing the action for "a = b;". Value assig

Show types under which networks will be divided, What are the two broad typ...

What are the two broad types under which Networks will be divided? Ans: All computer networks fit in one of the two dimensions specifically: a)  Transmission Technology, thi

Basic performance equation, Explain the basic performance equation Ans...

Explain the basic performance equation Ans: The basic performance equation is following T = N * S/ R T =>  It is processor time required to execute a program N => act

State the structure of verilog code you follow, State the structure of Veri...

State the structure of Verilog code you follow? A good template for your Verilog file is shown below. // timescale directive tells the simulator the base units and precision

Illustarte basic flip-flops, Q. Illustarte Basic Flip-flops? Let's firs...

Q. Illustarte Basic Flip-flops? Let's first see a ordinary latch. A latch or flip-flop can be created employing two NOR or NAND gates. Figure (a) presents logic diagram for S-R

Instruction length - assembly language, Instruction Length: Variabl...

Instruction Length: Variable-length instructions (Intel 80x86, VAX) need multi-step fetch and decode, but permit for a much more flexible and compressed instruction set.

What are the modes in which any update tasks work, What are the modes in wh...

What are the modes in which any update tasks work? Synchronous and Asynchronous.

Use of instruction register and program counter, Use of instruction registe...

Use of instruction register and program counter: Q. What is the use of instruction register (IR) and program counter (PC)? Ans: The instruction register (IR) holds the inst

Determine the number of lines for writing into memory, Words having 8-bits ...

Words having 8-bits are to be stored into computer memory.  The number of lines required for writing into memory are ? Ans. 8-bit words needed 8 bit data lines.

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