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1. We want to represent a data centralization system to which many MEDIA/magazine subscribe. Every time this system updates its data, all the users get notified with the update. We also want to be able to add as many subscribers as we want in the simplest manner. The specification of such a system are. The publisher should : - Provide a way for the subscribers to subscribe/unsubscribe - Be able to notify its subscribers The Subscriber (observer) should: - Be able to be updated with every new message coming from the Publisher For this example, we will keep the main subject (which updates the data) as simple as possible. What we want to modelize here is just the update of its state and the notification sent to the subscribers. a. How would you create such a system? Describe the main classes and their interactions in order to achieve such a goal, through a UML diagram (or any simple schema you find suitable).
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simbitica entre un archaeon y una bacteria. d. una relacin endosimbitica entre dos bacterias. mi.
una relacin endosimbitica entre dos archaeons.
2. Las cianobacterias, o algas verdeazuladas, se consideran los organismos ms antiguos capaces
de realizar la fotosntesis. Dado lo que sabes sobre las cianobacterias, cul de las siguientes es la
especie ms similar?
a. Rickettsia rickettsii; Un patgeno intracelular unicelular que infecta a los animales de sangre
caliente, incluidos los humanos, causando la fiebre maculosa de las Montaas Rocosas.
b.Nostoc verrucosum; Una especie filamentosa que se encuentra a menudo en arroyos y arroyos
poco profundos y que es capaz de fijar nitrgeno atmosfrico utilizando clulas especializadas
conocidas como heterocitos.
c. Halobacterium salinarum; Un aerobio obligado unicelular que a menudo habita en lagos
hipersalinos. Esta especie produce vesculas de gas para maximizar su acceso al oxgeno en la
superficie del lago.
d.Nitrosolobus multiformis; Una bacteria nitrificante unicelular en forma de varilla que habita
suelos subterrneos a profundidades asociadas con las races de las plantas..
1. Section1.- Populating the list of persons on the person listing f.pdf
The document provides starter code for a GUI application to manage a list of persons and their details. It outlines 4 sections of work to complete the application:
1. Populate the person listing with data from a file and add functionality to add new persons.
2. Modify the person entry form and add functionality to save new persons.
3. Add sorting buttons and functionality to the person listing.
4. Customize the color scheme of the person listing form.
The assistant is asked to review the code, complete the outlined functionality, and submit the completed Java files in a zip file. Non-functional criteria around GUI integration, component addition, and listener implementation will also be considered in the evaluation.
1. Seg�n Darwin, si un grupo muestra un comportamiento m�s moral que.pdf
1. Segn Darwin, si un grupo muestra un comportamiento ms moral que los otros grupos
Confiere un beneficio solo en algunos casos y no en otros.
Confiere un beneficio general a travs de la seleccin natural.
no confiere ningn beneficio en absoluto
2. Ordenar los hechos en su secuencia histrica:
- 1. 2. 3.
La Revolucin Francesa
- 1. 2. 3.
La idea de Darwin de la seleccin natural
- 1. 2. 3.
la revolucin americana a
Confiere un beneficio solo en algunos casos y no en otros. b
Confiere un beneficio general a travs de la seleccin natural. C
no confiere ningn beneficio en absoluto.
1. Section1.- Populating the list of persons on the person listing.pdf
1. Section1.- Populating the list of persons on the person listing form, and put functionality in the
Add Person button (1 mark)
a. In PersonListing: The starting code places only one item in the list of persons. Discussions
with the original developer have yielded that the method showTable in PersonListing is
responsible for populating the table. The addToTable method which accepts one person and adds
information regarding that person to the table should NOT be modified. Complete showTable so
that an entry is placed in the table for each row in the file person.dat.
b. In PersonEntry: Modify PersonEntry so that it is able to store an instance of PersonListing.
c. In PersonEntry: Modify the Constructor of PersonEntry so that it accepts an instance of
PersonListing, and then sets the local instance variable to the value accepted by the constructor.
d. In PersonListing: Add a listener to the Add Person button so that when it is clicked, an
instance of PersonEntry is displayed. When invoking the instance of PersonEntry, a reference to
the current instance of PersonListing should be passed as an argument to the constructor. //Hint a
listener is already included in the starting code that adds functionality to the Close button.
2. Section 2. Implementing functionality in the PersonEntry. (1.5 marks)
a. Modify the PersonEntry object so that the interface looks like that presented in Figure 3
Hints:
i. You may need to add a JLabel and a JCheckBox
ii. The layout from the previous developer for the panel displays data on two rows.
b. Add functionality to the Close button of the PersonEntry form so that it is no longer visible
when it is clicked.
Hint: one way to do it is to
i. Store a reference to a PersonEntry as an instance variable
ii. Set the instance of PersonEntry to this in the constructor
iii. In the appropriate listener, invoke setVisible on the instance of PersonEntry with an argument
of false.
c. Implement functionality in the Save button of PersonEntry so that when it is clicked, the data
is first validated to ensure both first and last names have been entered, and that the age is an
integer. If data is valid, the addPerson method of PersonListing is called, and the person entry
form disappears. Note that the addPerson method effectively adds a person to the arraylist
holding person list data, and updates the data in the list.
Hints/Questions
i. Have we already met a method to split a string into parts?
ii. What functionality can tell if a value can be converted to an Integer?
iii. Remember the getText() method of a jTextField returns the value of the text it currently
displays.
3. Section 3 Complete functionality on listing screen (1.5 marks)
a. The starting code includes the definition of a JButton named cmdSortAge, but it is not shown
on the PersonListing screen. Modify the PersonListingScreen to allow it to be shown
b. Add a listener which implements the functionality to sort the list in ascending order of age.
Hints:
i. You should alrea.
1. �Cu�l de las siguientes estructuras hace que las cianobacterias s.pdf
1. Cul de las siguientes estructuras hace que las cianobacterias sean simbiontes ptimos para los
organismos eucariotas que necesitan oxgeno y nutrientes?
A. cloroplastos
B. plsmidos
C. tilacoides
Cpsulas D.
2. Cul de los siguientes "entornos" podra proporcionar la MEJOR oportunidad de supervivencia
a travs de la simbiosis a una especie de bacteria fotoauttrofa?
A. el intestino de una vaca
B. el ojo de un pez linterna que vive en las profundidades del ocano
C. una colonia de hongos cerca de un estanque
D. el interior de un hormiguero
3. Cul de las siguientes es una caracterstica completamente compartida por los dominios de
bacterias y arqueas, lo que indica su origen procaritico comn?
A. viviendo en colonias
B. autotrofia
C. cromosomas circulares
D. ser extremfilos.
1. �Cu�l de los siguientes debe evitarse al motivar a los miembros d.pdf
1. Cul de los siguientes debe evitarse al motivar a los miembros del equipo? Dar reconocimiento
a las personas y a los miembros del equipo Brindar retroalimentacin solo cuando alguien hace
algo mal Mantener informados a los miembros del equipo cuando ocurren cambios Celebrar
reuniones peridicas del equipo
2. Cul de los siguientes mtodos de comunicacin se utiliza para comunicar una solicitud de
cambio aprobada a los miembros del equipo? Informe de estado Discusin uno a uno Presentacin
Reunin del equipo del proyecto
3. Si un gerente de proyecto aumenta los recursos para volver a encarrilar un proyecto que est
atrasado, cul de los siguientes probablemente tambin aumentar? Asignaciones presupuestarias
para recursos Impacto de los riesgos Nmero de requisitos para un entregable Probabilidad de los
riesgos.
1. �Cu�l de las siguientes es una raz�n para la descentralizaci�n.pdf
1. Cul de las siguientes es una razn para la descentralizacin?
2. Un centro de beneficio es un centro de responsabilidad en el que un gerente es responsable de:
3. Cul de los siguientes representa el mayor grado de descentralizacin?.
1. �Cu�l de las siguientes afirmaciones no es verdadera a. Los an.pdf
1. Cul de las siguientes afirmaciones no es verdadera?
a. Los anlisis horizontales ayudan a los usuarios de los estados financieros a reconocer los
cambios que se desarrollan con el tiempo.
b. Los anlisis verticales se enfocan en las relaciones entre elementos en el mismo estado
financiero.
c. Los anlisis de razones se enfocan en las relaciones entre elementos en uno o ms de los estados
financieros.
d. Los anlisis horizontales ayudan a los usuarios de los estados financieros a reconocer los
cambios que ocurren entre empresas.
2.Anlisis vertical:
a.Identifica la contribucin relativa de cada partida de los estados financieros.
b.Identifica tendencias a lo largo del tiempo.
c.Proporciona la comprensin de las relaciones entre varios elementos de los estados financieros
al expresar las diferencias en trminos de dlares.
d.Involucra la comparacin de cantidades entre diferentes estados financieros.
3. El efectivo y los equivalentes de efectivo incluyen:
a.Activos que tienen un valor estable a largo plazo.
b.Activos que sean de corto plazo, de gran liquidez y que sean adquiridos por la entidad dentro
de los tres meses siguientes a su vencimiento.
c.Activos cuyo valor aumenta constantemente a largo plazo.
d.Activos que se espera que se agoten dentro de un ao..
1. �Cu�l de las siguientes afirmaciones es verdadera sobre los siste.pdf
1. Cul de las siguientes afirmaciones es verdadera sobre los sistemas de informacin gerencial?
A) La disciplina de los sistemas de informacin de gestin atrae el inters de investigadores y
profesionales solo del campo de la informtica.
B) El estudio de los sistemas de informacin que incluye cmo las personas, la tecnologa, los
procesos y los datos trabajan juntos se denomina sistemas de informacin de gestin.
C) Los sistemas de informacin gerencial carecen de la capacidad de respaldar la toma de
decisiones tcticas a nivel gerencial.
D) La disciplina de los sistemas de informacin gerencial exista antes de la invencin de la
computadora de primera generacin.
2. Cul de los siguientes es cierto acerca de la destruccin creativa?
A) Presenta a los recin llegados la oportunidad de tener xito frente a los titulares en una
industria.
B) Hace uso de innovaciones y tcnicas ilegales para desplazar empresas establecidas.
C) Aumenta los costos operativos de toda la industria y reduce las ganancias.
D) Ocurre cuando las tecnologas que brindan ventajas en la simplificacin de procesos pasan a
primer plano..
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1. You are an analyst reviewing the impact of currency translation methods (current / non-current
method, monetary / non-monetary method and temporal method) on a companys Tokyo
subsidiary (reporting currency: Japanese Yen). The parent company reporting currency is the
dollar. Calculate the companys financial information under each of the three currency translation
methods current/ non-current, monetary / non-monetary and temporal methods..
1. X tiene una ventaja comparativa sobre Y en la producci�n de un bi.pdf
1. X tiene una ventaja comparativa sobre Y en la produccin de un bien si
X puede producir ms del bien que Y en un perodo de tiempo dado.
2. Un impuesto a las importaciones se conoce como (n)
subsidio a la importacin.
3. Cuando un pas decide imponer un arancel a un bien que ya est importando, podemos esperar
que ________ disminuya y que el precio del bien ________.
suministrar; aumentar
4. Qu pas tiene la economa ms grande del mundo? X tiene un menor costo de oportunidad de
producir el bien que Y..
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