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In the MVC Architecture, why is it important to keep the model, view, and controller independent of each other? Solution In the MVC Architecture, it is important to keep the model, view, and controller independent of each other. Because... In view layer, programmers will prepare user interface for collecting different types of inputs. Then user interface program is responsible for storing all values as a single group should send to the controller application. Then for storing multiple values as one group user interface application internally should use either array or collection object. The controller layer receives all values as a single object using array or collection reads input values from the array or collection object perform calculations and generate results then input and output values will send to the model application. The model layer will receive array or collection object reads all input and output values stores in the database..

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write a short essay report to describe a topic of your interest related to the past, or current, or future technologies of cellular communications, bandwidths, antennas or their impact to the human society Solution past, or current, or future technologies of cellular communications: Mobile computing is to describe technologies thatenable people to access network services anyplace, anytime, and anywhere. past,present technologies of cellular communications: 1896 Guglielmo Marconi,First demonstration of wireless telegraphy.Based on long wave, requiring very large transmitters 1907 Commercial Trans-Atlantic Wireless Service.Huge ground stations: 30 x 100m antenna masts 1920 Discovery of short waves by Marconi.Cheaper, smaller, better quality transmitters by vacuum tube 1982 Start of GSM in Europe (1G analog) 1983 Start of AMPS in America (1G analog) 1992 Start of GSM (2G digital) 1997 Wireless LAN - IEEE802.11 1998 Iridium satellite system. 1999 Standardization of additional wireless LANs 2000 GSM with higher data rates (2.5G digital).HSCSD offers up to 57,6kbit/s.First GPRS trials with up to 50 kbit/s 2001 Start of 3G systems.IMT - 2000, several “members” of a “family”, CDMA2000 in Korea, UMTS tests in Europe. GPRS: General Packet Radio Service It is a mobile data service available to users of GSM mobile phones. It is often described as \"2.5G“. GPRS is packet-switched which means that multiple users share the same transmission channel, only transmitting when they have data to send. GPRS provides moderate speed data transfer, by allocating unused cell bandwidth to transmit data.Poor bit rate in busy cells.Usually, GPRS data is billed per kilobytes of information transceived. future technologies of cellular communications: Improved radio technology and antennas.smart antennas, beam forming, multiple-input multiple- output (MIMO) 802.11N.dynamic spectrum allocation.Core network convergence.IP-based, quality of service, mobile IP.Ad-hoc technologies.spontaneous communication, power saving, redundancy.Simple and open service platform.intelligence at the edge, not in the network (as with IN).more service providers, not network operators only. Impact on Society: Since the introduction of mobile phones, concerns (both scientific and public) have been raised about the potential health impacts from regular use.But by 2008, American mobile phones transmitted and received more text messages than phone calls.Numerous studies have reported no significant relationship between mobile phone use and health, but the effect of mobile phone usage on health continues to be an area of public concern. For example, at the request of some of their customers, Verizon created usage controls that meter service and can switch phones off, so that children could get some sleep.There have also been attempts to limit use by persons operating moving trains or automobiles, coaches when writing to potential players on their teams, and movie theater audiences. By one measure, near.

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Which statement pertaining to Port Scanning is FALSE?A technique used by IT system administrators to locate vulnerabilities before the hackers find them. Solution solution) ensure that port scanning is a process to check the security policies security policies of their networks and by attackers to identify network services running on a host and exploit vulnerabilities.this port scanning is often done by administrators.Ensures that the principles of Net Neutrality are safeguarded. net neutrality means the internet service providers and the govternments regulating the internet should treat the users same that means the data on the internet the same ,not different user by user,content ,website,platform,application,type of attachment,or mode of communicatiion. port scanning is a process to check the security policies security policies of their networks and by attackers to identify network services running on a host and exploit vulnerabilities.this port scanning is often done by administrators..

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When did almost all animal phyla diverge? Solution According to theory of cambrian explosion, beginning some 545 million years ago, an explosion of diversity led to the appearance over a relatively short period of 5 million to 10 million years of a huge number of complex, multi-celled organisms. Moreover, this burst of animal forms led to most of the major animal groups we know today, that is, every extant Phylum. It is also postulated that many forms that would rightfully deserve the rank of Phylum both appeared in the Cambrian only to rapidly disappear..

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What is the nipah virus? Describe mechanism of infection? How is it transmitted? Why can\'t it be an arbovirus? Solution What is Nipah Virus? Nipah virus is a recently-identified, zoonotic (meaning a disease that can transmitted from animals to human) paramyxovirus that causes severe disease in both animals and humans.The natural host of this virus are fruit bats of the Pteropodidae Family, Pteropus genus. Outbreaks of this viral disease have occurred in Malaysia, Singapore, India and Bangladesh, and a putative Nipah virus was also recently associated with human disease in the Philippines. Nipah virus causes febrile encephalitis with respiratory syndrome that has a high mortality rate. Mechanism of infection: The reservoir for Nipah virus is believed to be fruit bats, and humans are infected by contact with infected bats or by contact with an intermediate animal host such as pigs. Pteropus species fruit bats are the natural reservoir of Nipah virus. Zoonotic transmission cycles of Nipah virus in Malaysia and Bangladesh: In Malaysia (left side of panel), Nipah virus was transmitted from bats on fruit trees on pig farms to pigs. Subsequently, pigs transmitted Nipah virus to people in close contact with the pigs. In Bangladesh (right side of panel), Nipah virus is thought to be transmitted via the consumption of raw date palm sap. While date palm sap is collected, bats drink from the sap stream or collection pots and contaminate the sap with Nipah virus through their saliva or urine. People become infected with Nipah virus after drinking this contaminated date palm sap. Subsequently, these infected people can transmit Nipah virus to others via close contact. Arbovirus are the virus that are transmitted from one human to the other by arthropod vectors ie., mosquitoes, ticks etc., example of a arboviral disease is yellow fever. Nipah virus is not an arbovirus because it transmitted from bats to humans or from pigs to humans..

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What is organizational inertia? List some sources of inertia in a company like IBM or GM. Solution Organizational inertia refers to the phenomenon where the organization continues to move along the path or trajectory, upon that the organization has been for quite some time. Here, the organization does not want to change from that path and it acts as a negative point in the face of changing business environment scenario. There are following sources that can create the organizational inertia: 1. The rigid organizational structure where people show strong resistance to change. 2. The organizational policy 3. Benefits and perks offered to the employees and it is not changed due to the conflicting views. 4. Centralized decision making process 5. High cost of recruitment and employee welfare 6. Collective bargaining between the union and organization (if any).

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Use fundamental identities to write tan t sec2t in terms of sint only. Solution tan^2 t sec^2 t tan t = sin t / cos t sec t = 1/ cos t so , we can write tan^2 t sec^2 t = sin^2 t / cos^2 t * 1/ cos^2 t = sin^2 t / cos^4 t cos^4 t = cos^2 t * cos^2 t cos^2 t = ( 1- sin^2 t ) cos^4 t = ( 1 - sin^2 t )^2 = 1 - 2sin^2 t + sin^4 t hence, we can write tan^2 t sec^2 t = (sin^2 t )/ ( sin^4 t - 2sin^2 t + 1 ).

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The Stevens Company provided $57000 of services on account during 2014, its first year in ope estimates that it will be unable to collect 2% of its revenues on account. The amount of uncollectible accounts expense recognized on the 2014 income statement was o $285 O $10.000 O $1140 O $4.250 type here to search e??? Solution Uncollectible expense = 2% of service on account = 57000*2% = $1,140 answer Uncollectible expense = 2% of service on account = 57000*2% = $1,140 answer.

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The papillae on the tongue that do not contain any taste buds are the _ papillae. filiform fungiform foliate valuate Solution Answer: a). Filiform Explanation: The tongue contains 4 types of papillae, the most common type is filiform, thin and wire shaped and do not contain taste buds. Dorsal and anterior border of the tongue are mushroom shaped papillae, fungiform, these have taste buds located near the middle or in the cleft of the papillae..

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Padre, Inc., buys 80 percent of the outstanding common stock of Sierra Corporation on January 1, 2015, for $796,960 cash. At the acquisition date, Sierra’s total fair value, including the noncontrolling interest, was assessed at $996,200 although Sierra’s book value was only $623,000. Also, several individual items on Sierra’s financial records had fair values that differed from their book values as follows: Buildings and equipment (10-year remaining life) For internal reporting purposes, Padre, Inc., employs the equity method to account for this investment. The following account balances are for the year ending December 31, 2015, for both companies. Padre, Inc., buys 80 percent of the outstanding common stock of Sierra Corporation on January 1, 2015, for $796,960 cash. At the acquisition date, Sierra’s total fair value, including the noncontrolling interest, was assessed at $996,200 although Sierra’s book value was only $623,000. Also, several individual items on Sierra’s financial records had fair values that differed from their book values as follows: Solution Ans: Determination of consolidate Balances: Acquisition-date subsidiary fair value (given) $996,200 Book value of subsidiary (given) $623,000 Fair value in excess of book value $373,200 Allocations to specific accounts based on difference between fair value and book value Land $226,000 Buildings and equipment $18,000 Copyright $150,000 Notes payable $15,200 Total $373,200 Annual excess amortizations: Buildings and equipment ($18,000 / 10) $1,800 Copyright ($150,000 / 20) $7,500 Notes payable ($15,200 / 8) $1,900 Total $7,600 Acquisition Method: Consolidation Entries Accounts Padre Sierra Debit Credit No controlling Interest Consolidates Total Revenues (1,396,980) (657,250) (2,054,230) Cost of goods sold 736,000 399,000 1,135,000 Depreciation Expense 298,000 15,100 E 1,800 311,300 Amortization Expense - 8,600 E 7,500 16,100 Interest Expense 50,100 5,550 E 1,900 57,550 Equity in Income of Sierra (177,120) - I 177,120 - Separate Company Net Income (490,000) (229,000) consolidate Net Income (534,280) No controlling Interest in Sierra\'s Income (44,280) 44,280 Controlling Interest in CNI (490,000) Retained Earnings 1 / 1 (1,380,000) (463,000) S (463,000) (1,380,000) Net Income (above) (490,000) (229,000) (490,000) Dividend Paid 260,000 65,000 D 52,000 13,000 260,000 Retained Earnings 12/31 (1,610,000) (627,000) (1,610,000) Current Assets 854,920 569,100 1,424,020 Investments in Sierra 922,080 - D 52,000 S I A - Land 369,000 60,600 A 226,000 655,600 Buildings and Equipment 955,000 324,900 E 1,800 A 18,000 1,263,700 Copyright - 163,400 A 150,000 E 7,500 305,900 Total Assets 3,101,000 1,118,000 3,649,220 Accounts Payable (220,000) (199,000) (419,000) Notes Payable (521,000) (132,000) A 15,200 E 1,900 (639,700) NCI in Sierra 1/1 NCI in Sierra 12/ 31 (199,240) (230,520) (230,520) Common Stock (300,000) (100,000) S 100,000 (300,000) Additional paid-in capital (450,000) (60,000) S 60,000 (450,00.

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Operating Systems Structure 1- Explain briefly why the objectives of a purely batch multiprogramming operating system conflict with those of an interactive system. 2- What features from the Mainframe operating system Multics do we see in modern operating systems? Solution Answer 2.. The various features of Multics are : -Segmented memory -Virtual memory -High-level language implementation -Shared memory multiprocessor -Multi-language support -Relational database -Security -On-line reconfiguration -Software engineering Out of the above features, the feature that are present in modern operating system are: 1) security Each user has to be authenticated with an username and password (network and multi-user operating system). Their data and files will be kept private from other users, unless they choose to make some shareable with others. The operating system will only allow administrators (\'super users\') to change parts of the operating system and install applications. 2)Segmented memory To use shared memory, we have to perform 2 basic steps: Request to the operating system a memory segment that can be shared between processes. The user can create/destroy/open this memory using a shared memory object: An object that represents memory that can be mapped concurrently into the address space of more than one process.. Associate a part of that memory or the whole memory with the address space of the calling process. The operating system looks for a big enough memory address range in the calling process\' address space and marks that address range as an special range. Changes in that address range are automatically seen by other process that also have mapped the same shared memory object. 3)Virtual memory Virtual memory is a memory management capability of an OS that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage. Virtual address space is increased using active memory in RAM and inactive memory in hard disk drives (HDDs) to form contiguous addresses that hold both the application and its data. 4)Shared memory multiprocessor Shared memory is the fastest interprocess communication mechanism. The operating system maps a memory segment in the address space of several processes, so that several processes can read and write in that memory segment without calling operating system functions. However, we need some kind of synchronization between processes that read and write shared memory. Consider what happens when a server process wants to send an HTML file to a client process that resides in the same machine using network mechanisms: The server must read the file to memory and pass it to the network functions, that copy that memory to the OS\'s internal memory. The client uses the network functions to copy the data from the OS\'s internal memory to its own memory. As we can see, there are two copies, one from memory to the network an.

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Need help with this java code. fill in lines where needed. Also, not sure how to make the text files and load them into program. Thanks!! Create a package named \"reading_with_exceptions\". Write a class named: Reading_With_Exceptions with the following method: void process(String inputFilename) Your program will encounter errors, and we want you to gracefully handle them in such a way that you print out informative information and continue executing. Your process routine will try to open a file with the name of inputFilename for input. If there is any problem (i.e. the file doesn\'t exist), then you should catch the exception, give an appropriate error and then return. Otherwise, your program reads the file for instructions. Your process routine will read the first line of the file looking for an outputFilename String followed by an integer. i.e.: outputFilename number_to_read Your program will want to write output to a file having the name outputFilename. Your program will try to read from \"inputFilename\" the number of integers found in \"number_to_read\". Your process method will copy the integers read from inputFilename and write them to your output file(i.e. outputFilename). There should contain 10 numbers per line of output in your output file. If you encounter bad input, your program should not die with an exception. For example: If the count of the numbers to be read is bad or < 0 you will print out a complaint message and then read as many integers as you find. If any of the other numbers are bad, print a complaint message and skip over the data If you don\'t have enough input numbers, complain but do not abort After you have processed inputFilename, I would like your program to then close the output file and tell the user that the file is created. Then Open up the output file and copy it to the Screen. For example, if inputFilename contained: We would expect the output of your program to be (Note that after 23 numbers we stop printing numbers): The main program will access the command line to obtain the list of filenames to call your process routine with. For those of you who benefit from a Template, your program might look like: To prove that your program works, I want you to run your program with the following command line parameters: file1.txt non-existent-file file2.txt file3.txt Where non-existent-file does not exist. file1.txt contains: file2.txt contains: file3.txt contains: Solution // Reading_With_Exceptions.java import java.io.File; // required imports for the code import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.PrintStream; import java.util.Scanner; public class Reading_With_Exceptions { // class that runs the code // 1.) Create a Scanner from the inputFilename. Catch exceptions from errors. // 2.) Read the first String from the file and use it to create a PrintStream // catching appropriate exceptions // 3.) Using hasNextInt and nextInt, carefully re.

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IP has no mechanism for error reporting or error-correcting. ICMPv4 was created to overcome this. a) What is ICMPv4? b) How do we use ICMPv4 with the TCP/IP Suite? c) How does it overcome the limitations in IP? Solution What is ICMP? ICMP stands for Internet Control Message Protocol. It is an error reporting protocol network device like routers used to generate error messages to the source IP addresses when network problem prevent delivery of IP Packets. ICMP creates and sends messages to the source IP address indicating that a gateway to the router, host and service cannot be reached for packet delivery. Any Network IP device has the capability to send, receive or process ICMP messages. How do we use ICMPv4 with the TCP/IP Suite? Various message types are defined in ICMP that allow different types of information to be exchanged. These are usually either generated for the purpose of reporting errors, or for exchanging important information of different sorts that is needed to keep IP operating smoothly. ICMP itself doesn\'t define how all the different ICMP messages are used; this is done by the protocols that use the messages. In this manner, ICMP describes a simple message-passing service to other protocols. ICMP is not like most other TCP/IP protocols in that it does not perform a specific task. It defines a mechanism by which various control messages can be transmitted and received to implement a variety of functions. ICMP is considered an integral part of IP, even though it uses IP to sends its messages. The operation of ICMP involves some portion of the TCP/IP protocol software on a machine detecting a condition that causes it to generate an ICMP message. This is often the IP layer itself, though it may be some other part of the software. The message is then encapsulated and transmitted like any other TCP/IP message, and is given no special treatment compared to other IP datagrams. The message is sent over the internetwork to the IP layer at the receiving device. Again, since many of the ICMP messages are actually intended to convey information to a device\'s IP software, the IP layer itself may be the “ultimate destination” of an ICMP message once a recipient gets it. In other cases, the ultimate destination may be some other part of the TCP/IP protocol software, which is determined by the type of message received. ICMP does not use ports like UDP or TCP to direct its messages to different applications on a host; the software recognizes the message type and directs it accordingly within the software How does it overcome the limitation in IP? IP is an unreliable method for the delivery of network data. It is known as a best effort delivery mechanism. It has no built-in process to ensure that data is delivered. If an intermediary device such as a router fails, data cannot be delivered. Additionally, nothing in its basic design allows IP to notify the sender that a data transmission has failed. ICMP is the component of the TCP/IP protocol.

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Informed Consent is a significant requirement for all provider types. How does a health entity need to ensure that all staff have an understanding of the aspects of informed consent? Solution Informal consent refers to the processnof getting permission before doing any sort of healthcare intervention or trial.the consent plays very vital role in all sort of research or test using a particular person. Thus it can be a legal.offense is any test or research conducted without taking any informal consent from the patient. Healthcare industry to be on their business ethics side should communicate all.the employees about the importance of having informal consent from the patients.The proper consent will avoind further complication or any sort of conflicts. Incase if the patient hasn\'t provided prowpr informal consent or in partial it can be assessed by review committee or institutional review board..

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in roughly 400 words please describe: 3 affective outcomes of diversity and 3 cognitive outcomes of diversity. refer to ... Working in teams: moving from high potential to high performance.. BA Griffith and EB Dunham.. Ch.7 Solution if a firm is operating with cross culturals work force, it can be called as diverified team, which may include the members from various backgrounds, nations, with different cultures, education qualifications, religious and other aspects too. when people works with others, there is a great chance to upgrade their knowledge levels by interacting with others, they can explore to new techniques, and so on. when people work in teams, they discuss, interact, and expose their talent. others may extract those and the acceptable practices are followed by others. the effective outcomes of diversity are as follows: 1. people have habituated to openness and share everthing with others 2. they trust each other and exchange what they have and what others need, similarly seek helps from others in the limitations 3. it encourages team spirity, where all the people works on focused tasks. 4. stands with each other in the times of difficulties and in the times of success also. the cognitive outcomes of diversity: 1. during the times of problems and difficulties, all these members tries to recollect the prior experience related to this. 2. if there are any relevant experiences to this, they share with others, and drwn an acceptable solution to the present problem. 3. when people works and thinks to get a solution while they are in teams, the success of getting a correct solution is more..

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I\'m having issues with two homework questions. I get the gist of the mechanisms involved with transcription and translation, but the question itself is really throwing me off. 4. What kinds of mutations might result in transcriptional errors? What kinds of mutations might result in translational errors? What I\'m thinking for this one is that transcriptional errors are having to do with radiation-type mutations as well as incidences where the RNA polymerase or other polymerases make a mistake when creating that RNA template and the mistake does not get fixed. As far as the translational side, I\'m kind of clueless. Part of this homework is in the realm of CFTR and the delF508 gene and the W1282X gene, as well as nonsense and missense mutations. I do not know where they fall into this stuff. 6. Which part of the central dogma is represented by CFTRdel508 and by W1282X? Where is the information flow interrupted (transcription or translation)? Justify your answer. Again, I get the gist, but not really how these actually fit into the question. I BELIEVE the answer to be that the problem / informational flow interruption occurs during translation, but I\'m not sure that\'s correct, nor can I justify it. THANKS FOR THE HELP! :) Solution 4. Mutation like point mutations, framshift mutations, chromosomal disjunction etc causes incorrect base pairing at the DNA level, hence the RNA polymerase incorporates incorrect nucleotides and thereby creating incorrect mRNA sequences. Also, any mutations in RNA polymerase, and other transcriptional factors lead to transxccriptional errors Similarly the mRNA is incorrect then the ribosome and the tRNA also incorporates incorrect amino acids thereby forming a defective protein which leads to translational errors. Also, any mutation of the tRNA/ ribosome\'s sub units (50 S and 30 S) can also lead to translational errors thereby leading to a defective protein. 6. DNA ----> RNA ----> Protein The deletions inthe 2 genes fall in the DNA to RNA part of central dogma. Any mutations of the CFTRdel508 and W1282X gene causes the protein folding to be disrupted. The protein in question for these 2 genes is Cystic Fibrosis transmembrane conductance regulator (CFTR). Since the protein is unable to fold properly (the missense mutation in CFTRdel508 causing the Phenylalanine not to get coded) hence the protein is unable to move out of the Endoplasmic Reticulum. Hence, the probelm is not at the translation level but mainly at the transcription level, since the deletion had occured in the DNA which resulted in the coding of an incorrect mRNA thereby forming a defective protein. So the major problem is at the transcriptional level..

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