Virtual Computing Questions.. Answer both questions in 500-600 words
What is Xen? Are there other virtualization technologies that are gaining ground? (Perhaps internationally)
Solution
1 ) Xen :
Xen is an open source virtual machine monitor(VMM) for X86 compatible computers.Xen facilitates to run multiple operating sytem on a single computer with the help of a software layer called hypervisor .Hypervisor act as a traffic cop,directing hardware access and coordinating request from guest operating systems.it can securely execute multiple virtual machines,each runs own its own OS. Xen can run Linux, Solaris,Windows and some of the BSDs as guest on their supported CPU architectures.
Xen was first released in 2002. \'Xen source.inc\' and \'Virtual iron software inc\' promoted Xen as a primary open source competitor to commercial virtualization products such as VMWare.
Xen released under the terms of GNU General Public Licence, was originally a project at the University of Cambridge.
2 ) Apart from Xen a new virtual machine called KVM ( Kernal-based virtual machine ) gaining more popularity.KVM is a light weight hypervisor for linux. KVM is relatively new comer but its simplicity of implementation and strength and continued support of Linux heavyweights make it worthy for serious consideration.
some of other popular virtualization technologies are,
oVirt
Ganeti
Packer
Vagrant
VirtualBox
Xen is a Virtual machine which can run multiple Operating system. this is done with the help of \"hypervisor\". hypervisor act as an intermediatory. It takes request from user and giving access to operating system. Xen can run Linux, Windows, Solaris etc.
.
This slides focuses on Virtualization concepts, types of virtualization, Hypervisors, Evolution of virtualization towards cloud and QEMU-KVM architecture.
The virtualization can be described in a generic way as a separation of the service request from the underlying physical delivery of that service. In computer virtualization, an additional layer called hypervisor is typically added between the hardware and the operating system. The hypervisor layer is responsible for both sharing of hardware resource and the enforcement of mandatory access control rules based on the available hardware resources.
There are three types of virtualization: full virtualization, para-virtualization and operating system level (OS-level) virtualization.
This slides focuses on Virtualization concepts, types of virtualization, Hypervisors, Evolution of virtualization towards cloud and QEMU-KVM architecture.
The virtualization can be described in a generic way as a separation of the service request from the underlying physical delivery of that service. In computer virtualization, an additional layer called hypervisor is typically added between the hardware and the operating system. The hypervisor layer is responsible for both sharing of hardware resource and the enforcement of mandatory access control rules based on the available hardware resources.
There are three types of virtualization: full virtualization, para-virtualization and operating system level (OS-level) virtualization.
Linuxcon EU : Virtualization in the Cloud featuring Xen and XCPThe Linux Foundation
The Xen Hypervisor was built for the Cloud from the outset: when Xen was designed, we anticipated a world, which today is known as cloud computing. Today, Xen powers the largest clouds in production. This talk explores success criteria, architecture, trade-offs and challenges for cloudy hypervisors.
It is intended for users and developers and starts with a brief introduction to Xen and XCP, their architecture, shine some light on common challenges for KVM and Xen, such as the NUMA performance tax and securing the cloud. It will introduce the concept of domain disaggregation as an approach to increase security, robustness and scalability: all important factors for building clouds at scale. The talk will conclude with an update on Xen support in Linux, Xen for ARM servers and other exciting developments in the Xen community and their implications for building open source clouds.
What do “Crazy in Love” by Beyonce and the “Xen Project” have in common? They are both 15-year-old hits. Flash forward to today. The Xen Project is used by more than 10 million users, powers some of the largest clouds on the planet, and is starting to build momentum in embedded and safety-conscious market segments. The Xen Project played a key role in developing technologies outside of the hypervisor, like hardware virtualization, and open source security disclosure standards that impact entire industries.
The Xen Project’s success and longevity can be attributed to its flexible architecture, but more importantly to enabling community members to contribute ideas and code, even if they are not core to the project's main use-case. We will share how the project has supported new technologies and ideas (sometimes in the form of failures and sometimes wins) and will derive best practices that may help other projects .
Material de la Charla del Evento de Virtualizacion del 10 de setiembre del 2009 en FUNDATEC.
http://ecastrom.blogspot.com
http://comunidadwindows.org
ecastro@grupoasesor.net
Ing. Eduardo Castro Martinez, PhD
Microsoft SQL Server MVP
http://ecastrom.blogspot.com
http://mswindowscr.org
http://comunidadwindows.org
Wages and salaries incurred in March amounted to $10-000- of which $4-.docxmtruman1
Wages and salaries incurred in March amounted to $10,000, of which $4,600 was paid.
Tell what accounts are affected in order, and by how much (values can be positive or negative). The answer choices are Cash, accounts receivable, inventory, prepaid rent, fixtures and equipment, accounts payable, interest payable, wages payable, notes payable, paid-in capital, retained earnings, leave blank. Some choices may show up more than once
Solution
Hi,
Please find the detailed answer as follows:
Accounts Affected:
Increase/Decrease:
Thanks.
.
Visual Studio Short Answer- 1- What is the name of the tool that lets.docxmtruman1
Visual Studio Short Answer:
1. What is the name of the tool that lets the developer deploy a WPF application?
2. How do you select an entire table in the Report Designer?
3. What is a service host file?
Solution
1,Windows and .net framework include a number of deployment technologies which include:
a)clickonce deployment:applications are published to and deployed from the web here.it provides an integration between start meny and program control pannel.Moreoever it supports automatic updates when new versions are released.It also provides the registration of file extensions.
b)windows installer:
Windows Installer allows the various applications to be packaged as self-contained executables that can be easily distributed to clients and run. Moreoever it simplifies the installation and uninstallation of the programs.
2)in order to select and add a table in report designer we will
a)First we will open the client report definition (.rdlc) file in graphical design mode.
b)Next in the Toolbox, click on the Table.
c)Finally click the design surface of the report.
now after a given table is on the report, wecan move it by pointing to the shaded border of the table and dragging it to a new location.
3)The hosting code is present in the service host file.Service host framework is basically used to associate the factory which is used to produce the service which is to be hosted and also includes the various other programming aspects which are being required to access or compile the hosting code which is basically present in the .svc file that we are talking about here.
.
More Related Content
Similar to Virtual Computing Questions-- Answer both questions in 500-600 words W.docx
Linuxcon EU : Virtualization in the Cloud featuring Xen and XCPThe Linux Foundation
The Xen Hypervisor was built for the Cloud from the outset: when Xen was designed, we anticipated a world, which today is known as cloud computing. Today, Xen powers the largest clouds in production. This talk explores success criteria, architecture, trade-offs and challenges for cloudy hypervisors.
It is intended for users and developers and starts with a brief introduction to Xen and XCP, their architecture, shine some light on common challenges for KVM and Xen, such as the NUMA performance tax and securing the cloud. It will introduce the concept of domain disaggregation as an approach to increase security, robustness and scalability: all important factors for building clouds at scale. The talk will conclude with an update on Xen support in Linux, Xen for ARM servers and other exciting developments in the Xen community and their implications for building open source clouds.
What do “Crazy in Love” by Beyonce and the “Xen Project” have in common? They are both 15-year-old hits. Flash forward to today. The Xen Project is used by more than 10 million users, powers some of the largest clouds on the planet, and is starting to build momentum in embedded and safety-conscious market segments. The Xen Project played a key role in developing technologies outside of the hypervisor, like hardware virtualization, and open source security disclosure standards that impact entire industries.
The Xen Project’s success and longevity can be attributed to its flexible architecture, but more importantly to enabling community members to contribute ideas and code, even if they are not core to the project's main use-case. We will share how the project has supported new technologies and ideas (sometimes in the form of failures and sometimes wins) and will derive best practices that may help other projects .
Material de la Charla del Evento de Virtualizacion del 10 de setiembre del 2009 en FUNDATEC.
http://ecastrom.blogspot.com
http://comunidadwindows.org
ecastro@grupoasesor.net
Ing. Eduardo Castro Martinez, PhD
Microsoft SQL Server MVP
http://ecastrom.blogspot.com
http://mswindowscr.org
http://comunidadwindows.org
Wages and salaries incurred in March amounted to $10-000- of which $4-.docxmtruman1
Wages and salaries incurred in March amounted to $10,000, of which $4,600 was paid.
Tell what accounts are affected in order, and by how much (values can be positive or negative). The answer choices are Cash, accounts receivable, inventory, prepaid rent, fixtures and equipment, accounts payable, interest payable, wages payable, notes payable, paid-in capital, retained earnings, leave blank. Some choices may show up more than once
Solution
Hi,
Please find the detailed answer as follows:
Accounts Affected:
Increase/Decrease:
Thanks.
.
Visual Studio Short Answer- 1- What is the name of the tool that lets.docxmtruman1
Visual Studio Short Answer:
1. What is the name of the tool that lets the developer deploy a WPF application?
2. How do you select an entire table in the Report Designer?
3. What is a service host file?
Solution
1,Windows and .net framework include a number of deployment technologies which include:
a)clickonce deployment:applications are published to and deployed from the web here.it provides an integration between start meny and program control pannel.Moreoever it supports automatic updates when new versions are released.It also provides the registration of file extensions.
b)windows installer:
Windows Installer allows the various applications to be packaged as self-contained executables that can be easily distributed to clients and run. Moreoever it simplifies the installation and uninstallation of the programs.
2)in order to select and add a table in report designer we will
a)First we will open the client report definition (.rdlc) file in graphical design mode.
b)Next in the Toolbox, click on the Table.
c)Finally click the design surface of the report.
now after a given table is on the report, wecan move it by pointing to the shaded border of the table and dragging it to a new location.
3)The hosting code is present in the service host file.Service host framework is basically used to associate the factory which is used to produce the service which is to be hosted and also includes the various other programming aspects which are being required to access or compile the hosting code which is basically present in the .svc file that we are talking about here.
.
Visit two or more social media sites and review information that peopl.docxmtruman1
Visit two or more social media sites and review information that people post about themselves and information friends post about them. What types of information is available? What challenges to corporations face with regards to social media? Do companies have social media policies for sharing information? Provide an example.
Solution
Types of Information Available:
If we talk about the information available, then mostly the basic information of people available on social media. Some other types of information is also available, that are given below:
1) Mainly basic information is available that includes name, gender, residential city or country and age
2) Information regarding their preference is also available, it includes person\'s liking, disliking.
3) Education Information is also available for some people on social media.
Information friends post about them:
Friend post about, when they have met with the person, their photos and the moments they have shared together.
Challenges faced by corporation with regards to social media:
With in the corporation, the use of social media, kills time of their employess and its also impact the productivity. Corporation also having information leaking posabilities due to social media. It may happen that employess post the corporation information on social media.
Yes, companies have social media policies of sharing the information. And all employess must follow the guidelines provided by the organization
.
Visual Basic Short Answer- 1- What is the primary advantage to definin.docxmtruman1
Visual Basic Short Answer:
1. What is the primary advantage to defining an interface type in an application?
2. How do you change the alignment of text inside a report TextBox?
3. Which directory service is helpful when you want to locate available web services?
Solution
Visual Basic it makes a clear distinction between classes and interfaces. One is declared in a Class statement; the other is declared in an Interface statement. A class cannot act as an interface. To act as an interface, the type must be declared using Interface . Members of an interface are not implemented. In fact, the syntax does not allow such lines of code as End Sub in an interface definition. Members of an interface are implemented in the class that declares an interface using the Implements statement:
Interface only at namespace or module level. This means the declaration context for an interface must be a source file, namespace, class, structure, module, or interface, and cannot be a procedure or block.
An interface defines a set of members, such as properties and procedures, that classes and structures can implement. The interface defines only the signatures of the members and not their internal workings
Interface definitions are enclosed within the Interface and End Interface statements
2. textbox1.TextAlign=HorizontalAlignment.Center
textbox1.TextAlign=HorizontalAlignment.Left
textbox1.TextAlign=HorizontalAlignment.Right
3.WebService1 Directory
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Vanadium is a transition metal that can be found in the four consecuti.docxmtruman1
Vanadium is a transition metal that can be found in the four consecutive oxidation states +2 to +5.
In aqueous solution, it forms different colored water complexes as shown in the figure above. [V(H 2 O) 6 ] 2+ is lilac, [V(H2O) 6 ] 3+ is green, [VO(H 2 O) 5 ] 2+ is blue, and [VO(H 2 O) 5 ] 3+ is yellow. Which compound do you expect to act as a reducing agent and which as an oxidant?
Solution
As vanadium has electronic configuration 3d 3 4s 2 .In [VO(H2O)5]3+ vanadium is in +5 oxidation state which is maximum oxidation state possessed by vanadium so it will try to accept the electron or it will reduce itself and oxidize other. So [VO(H2O)5]3+ will act as oxidizing agent.
While in [V(H2O)6]2+ vanadium is present in +2 oxidation state so it will try to oxidize itself into +3 or +5 state. So it will act as reducing agent.
and  [V(H2O)6]3+ in this vanadium(V)is present in +3 state so it can either reduce itself to +2 or oxidize itself to +5 state so it can act both as an oxidizing (oxidant) or reducing agent (reductant).
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VB Create a Class named file that contains the following properties- I.docxmtruman1
VB
Create a Class named file that contains the following properties: ID (string), Location (String), CreationDate (DateTime). Then derive a class named Document that has an additional property named Owner (String). Create constructor for both classes that use parameters to initialize all properties.
Solution
Module FileStructure
Public Class File
Public ID As String
Public Location As String
Public CreationDate As DateTime
//constructor
Public Sub New(ByVal id As String,ByVal loc As String,ByVal date As DateTime)
ID=id
Location=loc
CreationDate=date
End Sub
End Class
//Derived Class
Public Class Document Inherits File
Public Owner as String
//constructor
Public Sub New(id As String,loc As String,date As DateTime,onw As String)
Owner=onw
//calling super class constructor
MyBase.New(id)
MyBase.New(loc)
MyBase.New(date)
End Sub
End Class
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Virtual Computing Question-- Answer the following question that listed.docxmtruman1
Virtual Computing Question.. Answer the following question that listed below.. also provide one Reference
This scenario involves the integrity portion of the CIA Triad. The integrity portion of the triad deals with maintaining the accuracy and trustworthiness of data over its life cycle. Jim, the virtual server manager, wants to send three separate documents to users on his virtual server; one document for each person. Therefore, each document has to travel from the server to a client machine on the network. The virtual machine manager is Oracle VirtualBox and each client has a different operating system on their system: one has Fedora Linux, one has Microsoft XP, and one is running Mac OS X. What will ensure these documents travel to their recipients without being changed en route? What precautions should Jim take before sending them? Also, will one client operating system be more at risk of their packet being sniffed or changed?
Solution
The docs will be reached on client site without being changed which is ensured by Data Encapsulation provided by TCP/IP Protocol and by resilient and scalable networks, Encryption also plays an important role in this
Jim has to take the following steps
First use the VPN
Second use security concerns like Encryption, password protection
It depends upon the schema which a OS applies for data decryption because the data transmission doesnt care about the OS of the Recipient, so the risk always lies on the client side not on the medium
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Ventura Capital is a financier who specializes in capitalizing start-u (1).docxmtruman1
Ventura Capital is a financier who specializes in capitalizing start-up companies. Andy Preneur is a would-be entrepreneur. He needs capital to start his new business. Andy and Ventura have been negotiating a potential agreement over the last few months. It seems there is only one item unresolved. Ventura wants her investment to remain in the company and earn a preferred dividend of 5 percent, even if Andy no longer needs the money. Andy wants the right to buy out Ventura\'s interest any time as long as the 5 percent return is paid. Role-play this case with another person (does not have to be a classmate, just someone, such as a friend or family member, that can take the opposite position and assist you). When you finish, address the following questions.
1. Which of the four key temperments was most clearly displayed by the other person? Identify specific comments and behaviors to support your assessment.
2. Which of the four key temperments do you think your comments and behaviors most clearly displayed?
3. Do you agree with each other\'s self and other assessments? If not, why do you think you see the behaviors differently?
Solution
Venture Capitalist is a person who invests money in new ventures where traditional banks and financial institutions donot want to put money. In such a scenerio the entrepreneur who is seeking venture fund is at a receiving end and hence has poor bargaining power. On the otherhand the venture capitalist has higher bargaining power as he is taking risk in putting money in a new untested project. Therefore , if the venture capitalist wants 5% preferred share to continue , perhaps the entrepreneur should agree to it. In the long run if the venture capitalist gets a better opportunity , he will definitely close the preferred stake in the current venture and invest in the new venture.
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VB -What is the primary advantage to defining an interface type in an.docxmtruman1
VB
-What is the primary advantage to defining an interface type in an application?
Solution
using interface make it possible to treat different type of object the same way.
you could define an Interface IDrivable could define method such as StartEngine, MoveFoward, MoveBackward, TurnLeft and TurnRight.
you could then have a Car class which implement the IDrivable interface as well as Bike Class.
and in your code, you could have a loop to mixed array of Car/Bike and
obj[0] = new Car();
obj[1] = new Car();
obj[2] = new Bike();
and have a
for (int i = 0; i < obj.Count; i++)
{
((IDrivable)obj[i]).Start();
((IDrivable)obj[i]).MoveBackward();
}
This is only a simple application of what an Interface can do !
Upon that few more advantages are:-
-Knowing for certain that specific methods and/or properties are available
-Ablility to call those methods/properties without knowing anything about the derived class
Hope this help!
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Valence electrons are not responsible for A- B- O D- The chemical reac.docxmtruman1
Valence electrons are not responsible for A. B. O D. The chemical reactivity of an atom The bo atom The characteristics of an anion or cation The electron affinity of an atom nding characteristics of an E. Why atoms are in the same group on the periodic table
Solution
Answer is :- C. The characteristics of an anion or cation.
The valence electron is mainly responsibe for chemical reaction they involved in the electron transfer and electron acceptor to produce the new molecule. Then the bonding nature of the atom mainly depends on the number of valence electron if it has three elctron then atom having the abilitity to form triple bond.
The valence electrons does not provide any idealogy of the charecteristics of the cation and an ion like when it react and or not.
Then valence elctron is responsible of the electron affinity and group to place element. same numer of valence electronic atoms are placed in the same group.
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Vertically polarized light that has an intensity of 200 W-m2 is incide.docxmtruman1
Vertically polarized light that has an intensity of 200 W/m2 is incident on two polarizing filters. The first filter is oriented 22.0 from the vertical while the second filter is oriented 50.0 from the vertical in the same direction. 1) Predict the intensity of the light that emerges from the second filter. (Express your answer to two significant figures. W/m2 Submit Your submissions: 171.9 X Computed value: 171.9 Submitted: Monday, May 21 at 7:11 PM Feedback: 2) Predict the polarization of the light that emerges from the second filter. Give an angle from the vertical. (Express your answer as an integer.) 134 Submit Your submissions: 134 x Computed value: 134 Feedback: Submitted: Monday, May 21 at 7:11 PM
Solution
Solution:
1) Intensity after the light passes thru the first one at 22 degrees = I1 = Io cos^2 theta1
I1 =171.9 W/m^2; Now the angle between the light and 2nd polariser becomes 50-22 = 28 degrees.
I2 = I1 cos^2 28 = (171.9) cos^2 28 = 134 W/m^2
Intensity of light that emerges from the 2nd filter = 134 W/m^2
2) The angle from the vertical is 50 degrees .
This is same as the angle of orientation of the 2nd filter.
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Week 4 - HIDS or AntiVirus Systems Research Paper The focus of the res (1).docxmtruman1
Week 4 - HIDS or AntiVirus Systems Research Paper The focus of the reseach paper is Host Intrusion Detection Systems (HIDS) or AntiVirus Systems. Computer Virus creates major headaches for most organizations, as this list of 10 worst PC virus outbreaks shows. These viruses combined have caused damages into the billions of US Dollars. How can one protect against virus outbreaks in an organization? What are the common causes of this problems? How would use address this troublesome trend? Use your textbook, internet, and other publications to research this topic.
Solution
How can one protect against virus outbreaks in an organization
First and most important implementation of and deployment of Antivirus Softwares that can protect against the malware issue, more importantly protects transctions related to money
Second we can deploy a multi layered defense strategy
Third, always enabling the firewall so as to protect the data transmission
Fourth Providing anti-virus training to all employees
How can one protect against virus outbreaks in an organization
First comes the internet , a lot of data shaes over internet and a lot of file are downloaded from internet, along with which viruses are also downloaded
We often uses cracked software just to prevent some money
Some times virus also comes from email attachments
Network
How to address this troublesome trend
The latest and updated version of Anti-Virus and firewall should be installed on the computer.
The Anti-Virus software must be upgraded regularly.
Use .RTF and .CSV instead of .DOC and .XLS
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Week 2 Discussion- I need help understanding the following question- C.docxmtruman1
Week 2 Discussion: I need help understanding the following question:
Consider the place where you live (city, town, county, state etc.) and think about local housing market, what can we say about Demand and Supply for housing as related to a geographic area? How would we tie this into current economic conditions? Hint: Consider factors (e.g more green jobs, tourism, etc) that contribute to stable/rising housing market and factors (e.g. disaster prone areas, pollution, etc.) that lead to the opposite. You can all use T-I-P-E-N and P-R-E-S-T to explain why housing prices vary from one city to another.
Solution
One could drive until the household qualifies for a mortgage. The willingness to migrate for affordable housing considerably expands the geography of supply. The result is sprawl. Sprawl bad. The push for greater density is normative, a geographic fetish. Expanding the geography of supply is not OK. Suddenly, the real estate market doesn\'t look so agnostic. Regardless, sprawl is one way a region can deal with a problem of housing affordability. Migration is a lot nimbler than changes to zoning and casting bedroom eyes at real estate developers.
I would hope that all readers appreciate that geographic scale impacts the supply of housing. The point of greater density is to make a hot residential neighborhood affordable, not an entire metro area. Proponents of greater density promote the geographic distortion of housing supply, not a less regulated real estate market. The dense mixed-use urban utopia of walkability is this generation\'s suburban idyll.
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We will assume the universe is expanding at a constant rate- At t - t0.docxmtruman1
We will assume the universe is expanding at a constant rate. At t = t0Â another galaxy is a distance D0Â away from us as shown in the diagram. For the purposes of this exorcise it will be easier to think of the other galaxy being at 0 and we are moving away from it, with us being at location D0Â at t0.
1. If we assume the two galaxies were at the same location a t = 0, find an equation for the distance between the galaxy as a function of time, D(t).
2. Find the speed at which the galaxy are moving apart.
3. At t0Â light leaves the galaxy at 0 headed for us at a speed c. How long does it take the light to reach us? Do not forget to include the fact that we are moving away from the other galaxy, which means the light will have to travel farther than D0Â to reach us.
Solution
if we assume constant rate of expansion of the universe
then for a distance s between two galaxies
their rate of seperation is ds/dt = k ( where k is a constant)
given distance at t = to is s = Do
distance at t = 0 is s = 0
distance at t = t is s = D(t)
hence
ds/dt = k
s = kt + c ( where c is another constant)
hence
Do = k*to + c
0 = c
hence
k = Do/to
hence
s = Do*t/to
1. D(t) = Do*t/to
2. speed at which they are moving apart = v
v = ds/dt
v = d(D(t))/dt = Do/to
3. at to, light leaves galaxy at x = 0
it reaches us at time t = to + t
then
time taken for it to travel distace = t
distance = Do + v*t
hence
Do + v*t = c*t
hence
t = Do/(c - v) = Do/(c - Do/to)
.
We normally think of the arts as very different from technologies in s.docxmtruman1
We normally think of the arts as very different from technologies in spite of the fact that art (with perhaps a few exceptions) is practiced with the help of technology. This practice creates interdependence between technology and art. To what extent does art respond to, or is shaped by, the technology that enables it? To what extent have advanced and accessible digital technologies, such as websites, digital photography, and YouTube, changed the relationship between art and technology? Are these technologies reshaping our attitudes toward artists?
Solution
Ans;
Art, to a very large extent, is shaped by the technology that enables it. In fact it is technology that led to invention of portable paint tubes, a pre-requisite for most art forms. Technology provides a medium, a way to the artists to express themselves. For example silkscreen painting as an art form is a technological find.
The digital revolution which is taking place, thanks to the new and emerging digital technologies is strengthening the bond between art and technology. Digital technologies helps artist innovate and apply new methods to present their art. For example \"the petting zoo by mimimaforms\" uses technology to showcase their art work. (this can be viewed on youtube).
Yes, these technologies are re-shaping our attitudes toward artists. Earlier artists and their art works were considered exclusive, meant for the rich people. With technologies like websites, youtube etc. even common people belonging to the middle class can have access to the artworks and this has changed attitude as artists and their art works are now considered more inclusive.
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We discussed how the processor routes data between internal components.docxmtruman1
We discussed how the processor routes data between internal components in the Chip. Using simple Register Transfer Language notation (t0: dest leftarrow source), show how the following instruction would be processed if we have the indicated transfer registers in the route the signals will take. (The instruction has been decoded and IR2 has the needed address of variable1.) IR2 - instruction register holding the address MAR - memory address register MDR - memory data register REGn - internal register (in control unit) Here is the instruction: mov r12, [variable 1]
Solution
The Register Transfer Language
RTL is a simple, human-oriented language to specify the operations, register communication and timing of the steps that take place within a CPU to carry out higher level (user programmable) instructions.
The operand : MOV
Description : The move the input operand at a register to the second by a word copy
The operations are in data movement
MOV
MVN
Examples:
MOV ro, r1
MOVS r2, #10
NVNEQ r1, #0
Now we have to processed the following register transfer language instruction
MOV r12, [variable1]
That variable may be register for example: R2, R0, R5, etc…..
The some example for MOV R12
MOV R12, R4 = R4 rotated the value
MOV R12, R0, LSL#2 = Shift R0 left by 2
.
We normally think of the arts as very different from technologies in s (1).docxmtruman1
We normally think of the arts as very different from technologies in spite of the fact that art (with perhaps a few exceptions) is practiced with the help of technology. This practice creates interdependence between technology and art. To what extent does art respond to, or is shaped by, the technology that enables it? To what extent have advanced and accessible digital technologies, such as websites, digital photography, and YouTube, changed the relationship between art and technology? Are these technologies reshaping our attitudes toward artists?
Solution
Interest in new technologies on the part of artists has always been an important element of the development of art, but it was only in the 1960s that the creative practices known today as the main reference point for technological art were established. Such new initiatives appeared in the Poland of the 60s, during the Thaw period, when the attitudes towards activities at the interface of art, design, and technological development were much more accepting. This includes, among others, works created at the Polish Radio Experimental Studio, as well as the artistic practices stemming from Mieczysaw Porbski\'s seminars, devoted to the relationship between art, science, and technology (participants included Ryszard Winiarski, Feliks Falk, and Grzegorz Kowalski). 1 Other artistic phenomena involving art and technology include some works created at the Workshop of the Film Form, and the later solo works by such Polish artists as Krzysztof Wodiczko orZbigniew Rybczyski.
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We reproduce the class Money here- in part- class Money{ public- Mone.docxmtruman1
We reproduce the class Money here, in part:
class Money{
public:
Money( );
Money(int dollars, int cents);
Money(int dollars);
Money(double amount);
// other public members
const Money operator+(const MoneyADD& amt2);
int getCents( ) const;
int getDollars( ) const;
private:
int dollars;
int cents;
//other private members
};
Note that * is not overloaded in the class, but operator+ is overloaded using an operator function with the following declaration:
const Money operator+(const Money& amt2);
The question is: Given the declarations
Money baseAmount(100, 60); // $100.60
Money fullAmount;
which of the following operations are legal? Why or why not?
A) 25 + baseAmount;
B) baseAmount = 2 * baseAmount;
C) baseAmount + 25;
D) baseAmount + baseAmount.
Solution
D) baseAmount + baseAmount. Because both are of type Money
.
We have two oscillators- used to measure time- One is a vertical mass-.docxmtruman1
We have two oscillators, used to measure time. One is a vertical mass-and-spring system. The other is a simple pendulum. On earth the two systems have the same period. How do their periods compare on the moon?
A. Both periods become longer.
B. only the pendulum\'s period becomes longer
C. Only the mass-and-spring\'s period becomes longer
D. Neither period changes at all.
E. none of the above
If a mass hangs from a vertical spring and is moving up and down, you take one video of the motion on earth and then take another video of its motion on the moon, can you tell the difference between the two motions?
Solution
time period of simple pendulam= 2*pi sqrt(l/g)
so time period inversly propotional to gravitaion constant.
time period of verticle ossilator= 2*pi sqrt(k/m)
so time period does not depend on g.
we knows g of moon < g of earth.
so on moon g is less then that of earth.
so g decreases, so time period of pendulam increase as time period of pendulan is inverse of sqrt g.
and time period of oscillator remains the same.
so option B. only pendulam\'s timeperiod becomes longer.
.
Water of constant density The solution is- Can someone show me how to.docxmtruman1
Water of constant density
The solution is:
Can someone show me how to obtain this?
(rho) (Di) (pi) (.8 Di) F = -1.99 rho Q2/D2 I + (pi piD2 i/4 +rhoQ2/pi D 2 i)j L = pi/rho - 1.17 Q2/D 4 I To = 1.9 rho Q2 L/D 2 I (k)
Solution
Mass flow rate m = rho*Q where Q = pi/4*Di^2*Vi
m = rho*pi/4*Di^2 *Vi
Also, Q = Ai*Vi = Ae*Ve
Q = pi/4 * Di^2 *Vi = pi/4 * De^2 *Ve
Ve = Vi*(Di / De)^2
Ve = Vi*(1 / 0.8)^2
Ve = 1.5625*Vi
Pi + 1/2*rho*Vi^2 = Pe + 1/2*rho*Ve^2
But Pe = 0 (atmospheric)
Hence, Pi + 1/2*rho*Vi^2 = 1/2*rho*(1.5625*Vi)^2
Pi = 0.7207*rho*Vi^2
Vi = 1.178*sqrt (Pi / rho)
Force Fx = -m*Ve = -rho*Q*Ve
= -rho*Q*(4Q / (pi*De^2))
= -rho*Q^2 *(4/pi)/(0.8*Di)^2
= -1.99*rho*Q^2 / Di^2
Force Fy = pi*Ai + m*Vi
Fy = Pi*(pi/4)*Di^2 + rho*Q*Vi
Fy = Pi*(pi/4)*Di^2 + rho*Q*Q / [(pi/4)*Di^2]
Fy = Pi*(pi/4)*Di^2 + 4*rho*Q^2 / (pi*Di^2)
Thus, Total F = Fx i + Fy j
F = -1.99*rho*Q^2 / Di^2 i + [Pi*(pi/4)*Di^2 + 4*rho*Q^2 / (pi*Di^2)] j
.
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Virtual Computing Questions-- Answer both questions in 500-600 words W.docx
1. Virtual Computing Questions.. Answer both questions in 500-600 words
What is Xen? Are there other virtualization technologies that are gaining ground? (Perhaps
internationally)
Solution
1 ) Xen :
Xen is an open source virtual machine monitor(VMM) for X86 compatible computers.Xen
facilitates to run multiple operating sytem on a single computer with the help of a software layer
called hypervisor .Hypervisor act as a traffic cop,directing hardware access and coordinating
request from guest operating systems.it can securely execute multiple virtual machines,each runs
own its own OS. Xen can run Linux, Solaris,Windows and some of the BSDs as guest on their
supported CPU architectures.
Xen was first released in 2002. 'Xen source.inc' and 'Virtual iron software inc' promoted Xen
as a primary open source competitor to commercial virtualization products such as VMWare.
Xen released under the terms of GNU General Public Licence, was originally a project at the
University of Cambridge.
2 ) Apart from Xen a new virtual machine called KVM ( Kernal-based virtual machine ) gaining
more popularity.KVM is a light weight hypervisor for linux. KVM is relatively new comer but
its simplicity of implementation and strength and continued support of Linux heavyweights make
it worthy for serious consideration.
some of other popular virtualization technologies are,
oVirt
Ganeti
Packer
Vagrant
2. VirtualBox
Xen is a Virtual machine which can run multiple Operating system. this is done with the help of
"hypervisor". hypervisor act as an intermediatory. It takes request from user and giving access
to operating system. Xen can run Linux, Windows, Solaris etc.
