Nanoprogramming - computer architecture, Computer Engineering

Assignment Help:

Nanoprogramming:

  •  Second compromise: nanoprogramming
  •  it use a 2-level control storage organization
  •  Top level is a vertical format memory
  •  Output of the top level memory process the address register of the bottom (nano- level) memory
  •  Nanomemory uses the horizontal format
  •  Generate the real control signal outputs
  •  The benefit to this method is significant saving in control memory size (bits)
  •  Disadvantage is more difficulty and slower operation (doing 2 memory accesses for each microinstruction)

Nano programmed machine

1589_Nanoprogramming.png

 

  • Instance : Assume that a system is being designed with 200 control points and 2048 microinstructions

o   Suppose that only 256 different combinations of control points are ever used

o   A single-level control memory would need 2048x200=409,600 storage bits

  •   A nano programmed system would utilize
  •   Microstore of size 2048x8=16k
  •   Nanostore of size 256x200=51200
  •   Total size = 67,584 storage bits
  •   Nano programming has been used in many CISC microprocessors

 


Related Discussions:- Nanoprogramming - computer architecture

What is flash memory, Q. What is Flash Memory? This memory is other fo...

Q. What is Flash Memory? This memory is other form of semiconductor memory that was first introduced in mid-1980.  These memories can be reprogrammed at high speed and therefo

Compare excess 3 codes and gray code, Compare excess 3 codes and gray cod...

Compare excess 3 codes and gray code. Ans. Excess 3 Codes 1. This is the other form of BCD code. All decimal digits are coded in 4 bit binary code. 2. The code

Illustration of equivalent exe program, Q. Illustration of equivalent EXE p...

Q. Illustration of equivalent EXE program? An illustration of equivalent EXE program for COM program is: ; ABSTRACT this program adds 2 8-bit numbers in the memory locations

What do you mean by mouse protocols, Q. What do you mean by Mouse Protocols...

Q. What do you mean by Mouse Protocols? Mouse protocol is the digital code to that signal from the mouse gets converted. There are four main protocols: Microsoft, Mouse Systems

What is computer communications networks, Q. What is Computer communication...

Q. What is Computer communications networks? Computer communications networks are the outcome of a combination of computers and telecommunication products. An interconnected gr

Sequential execution of instructions in risc, Q. Sequential Execution of In...

Q. Sequential Execution of Instructions in RISC? Let's describe pipelining in RISC with an illustration program execution sample. Take the given program (R denotes register).

Show library, Show Library and its types. Libraries constitute a simple...

Show Library and its types. Libraries constitute a simple meaning of gathering many object files together: 1. Static: during link editing Library code is integrated with t

Explain ai applications, AI Applications Search is a important elemen...

AI Applications Search is a important element of an AI system, and search functions are executed on huge quantities of complicated structured data by means of unstructured in

Gnome, Explain briefly about GNOME desktop

Explain briefly about GNOME desktop

What are parity generator and checker, What are parity generator and checke...

What are parity generator and checker? Ans: While a digital signal is transmitted, this may not be received correctly through the receiver. At the receiving end this may o

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