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Breve descripción de las Propiedades de la Mantenibilidad.

El IEEE

Institute of Electrical and Electronics Engineers. (1990) IEEE Standard Computer Dictionary: A Compilation of IEEE Standard Computer Glossaries. New York, NY.IEEE Std. 610.12 (1990) Standard Glossary of Software Engineering Terminology. IEEE Computer Society Press, Los Alamitos, CA.
(19990) define mantenibilidad como: “La facilidad con la que un sistema o componente software puede ser modificado para corregir fallos, mejorar su funcionamiento u otros atributos o adaptarse a cambios en el entorno”.

La mantenibilidad se puede considerar como la combinación de dos propiedades diferentes: La reparabilidad y la flexibilidad.

Reparabilidad

Un sistema software es reparable si permite la corrección de sus defectos con una cantidad de trabajo limitada y razonable.

La reparabilidad se ve afectada por la cantidad y tamaño de los componentes o piezas. Un producto software que consiste en módulos bien diseñados es más fácil de analizar y reparar que uno monolítico, pero el incremento del número de módulos no implica un producto más reparable, ya que también aumenta la complejidad de las interconexiones entre módulos.

Así pues, se debe buscar un punto de equilibrio con la estructura de módulos más adecuada para garantizar la reparabilidad facilitando la localización y eliminación de los errores en unos pocos módulos.

Un software por mucho que se use no se gasta. Ya le podemos dar veces al botón de aceptar, que, en principio, no debería desgastarse y dejar de funcionar sin motivo aparente.

Flexibilidad

Un sistema software es flexible si permite cambios para que se satisfagan nuevos requerimientos, es decir, si puede evolucionar. Por su naturaleza inmaterial, es software es mucho más fácil de cambiar o incrementar por lo que respecta a sus funciones que otros productos de naturaleza física, por ejemplo, equipos hardware, pero esta flexibilidad se ve disminuida con cada nueva versión de un producto software, ya que cada versión complica la estructura del software y, por tanto, las futuras modificaciones serán más difíciles.

Aunque esto puede considerarse una generalidad, la aplicación de técnicas y metodologías apropiadas pueden minimizar el impacto en la flexibilidad de cada nueva modificación en el software. Es por esto que la flexibilidad es una característica tanto del producto software como de los procesos relacionados con su construcción. En términos de estos últimos, los procesos deben poderse acomodar a nuevas técnicas de gestión y organización, a cambios en la forma de entender la ingeniería, etc.

Questions & Answers

Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
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SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
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Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
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Yasmin
what is the function of carbon nanotubes?
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I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
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Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
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Damian
silver nanoparticles could handle the job?
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I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
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Smarajit Reply
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Source:  OpenStax, Métricas del mantenimiento de software. OpenStax CNX. Jan 09, 2009 Download for free at http://cnx.org/content/col10583/1.9
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