Information Technology Essays

Generally, 802.11b requires a 22MHz band for a single network and can support up to 3 non-overlapping simultaneously Wi-Fi Networks with an 83.5MHz while 802.11a requires only a 16.6 MHz band for a single network and supports up to 12 non-overlapping networks simultaneously with a spectrum of 300MHZ.

Generally speaking, IDEF3 is a method that captures descriptions and is designed to tolerate inconsistent and partial descriptions. Most of the time those inconsistencies are the cause of organizations’ problems and they should be comprehensively dealt with in the IDEF3 representation and not glossed over and hidden.

With the right technology and tools, the user is able to successfully transfer information and receive it without any leakage. Several experts have come up with different tools such as SWEET that provide a better environment for the training and management of security operations on the web. There are also various web tools that can detect records and or prevent any attack that comes from the net.

ACL can be configured for restricting and allowing the access of any network resource to the specific user or group of users. In HHF, the board room required access to all the network resources. In this case, the user available in the board room is permitted to access all the resources of the network.

Stuxnet worm is one type that is believed to have been developed by the government for its development is considered to be a very complex and sophisticated one to be developed just by a private group (Holliday, 2010). This worm has been presented as a threat by a group known as a Symantec white paper (Falliere, Murchu, & Chien, 2011).

Stuxnet may officially be the first know “worm” ever designed that was purposefully geared to target “real worlds” infrastructure, like water plants and power plants. (Fildes, 2010).  Like many malware software before it, Stuxnet was able to spread indiscriminately throughout systems, from one computer to another.

Risk mitigation is proficient anytime we take steps to minimize the risk. In this scenario, steps comprise installing antivirus applications, educating clients regarding probable monitoring of the network traffic and threats, incorporating a firewall (NeoKobo, 2012; Federal Highway Administration, 2013; Melissa, 2013).

If evidence is collected from actual security and privacy breaches, then it will be possible for technology developers to create appropriate security and privacy protection software for cloud computing. After all, cloud computing is an efficient and effective method of data storage and it is convenient for accessing files anywhere and anytime.

Acronym for Disc Operating systems is one of the elementary forms of the operating systems provided by IBM. It offered minimum functionality and support for a number of users. They were operated through Command Line Interface and were predominately in use by IBM devices. Their usage went on the decline after the introduction of GUI based operating systems.

In addition, it refers to the online applications used in improving business operations and includes any e-commerce applications (GRANT, HACKNEY, & EDGAR 2009, p. 20). The main concerns of e-business settle on the issues of application, technology, and organizational performance and its impact to the business. The grocery industry has not been left behind from the internet’s touches, thus has become the latest delivery channel being adopted by several grocers.

Since the concerned business intends to sell one product online, it is recommended that Volusion should be selected as it provides an inexpensive package with simple tools for the development of the website. In this context, it can be stated that the other two e-commerce websites are less suitable as the packages are comparatively expensive which can cut off the profit. 

It is clear that I had a strong interest in computer programming and applications from my child hood. This interest continued to grow along with my age when I experienced several unique innovations of computer accessories, tools, software and applications. It is true that computer-tech industry has become highly competitive.

Because the hypervisor sits between the guest system and the OS it is important that the component is given maximum security (Tyson T. Brooks, Carlos Caicedo, Joon S. Park, 2012) otherwise if the hypervisor is left vulnerable to exploits, it becomes the main target of the attackers (SZepher, 2011).

Negative and limited mental models will ever slow down the progress and development of an organization; thus, they should be eliminated and eradicated at all costs (Senge, 2006). Moreover, in considering reversing these negative and limited mental models, there is a dire need to acknowledge that there are some believes that are common to humanity.

The infrastructure security plan established the approach for setting plans, identify the infrastructure and combine threat information, vulnerability, and consequence to produce a rational assessment, systematic, or company risk and develop security mechanisms and resilience strategies, and measure their effectiveness.

Due to its low resource requirements, Linux often can provide acceptable performance on equipment that would be considered underpowered for use with commercial operating systems. Thanks to Linux, businesses have the option to use outdated or inexpensive computing hardware to provide even production level services.

Mental models are made up of several characteristics. The first characteristic states that mental models are inclusive of what a person thinks are the truth. The second characteristic is that they allow a person to make predictions of his or her actions (Senge, 2006). The third characteristic states that mental models are often simple compared to the things they signify.

The identification of the functional and non-functional requirements will help me develop a system that is going to fulfil all the needs of the users. I will also help improve the accuracy and effectiveness of the final system. The SWOT analysis will help me assess the strengths, weaknesses, opportunities and threats that could be facing the system development and implementation.

Businesses, military, medical fields, design and in very many other fields. The advent of the computer has signaled some of the drivers of economies aiding in the rapid modernization of countries. In fact, the level of development of countries is exhibited by the level of technological advancement, which in turn is precisely what computers have been developed to show.

The study revealed the relationship between BPR and IT within an organisation. It has been assumed that IT frames a vital part of the BPR implementation as it endures the capability to enable or constraint the effective application of BPR methodologies. Furthermore, the concepts associated with planning a control technique of business information management have also been recognised.

The concept of distance is broader than the concept of the procedure. This is because this concept of direction has to give the exact place in which One will find the desired item or person. In some instances, the location may be in a densely populated place or in congested buildings. This makes it even more problematic to drive the exact coordinates.

Generally, the advantages that come with wireless networks have compelled many individuals and companies to go wireless. Many wireless applications have come into being in the last decade.  More wireless solutions will come into being in the coming years to avail of more convenience and flexibility.

My friend lives at the southern side of the city. For her to reach my location, she will board a bus to the city bus station. From the bus station, she will board a curb to the five way building. She will use the third entrance on the left side of the building. Opposite that entrance, there is a statue of a former U.S. president.

The study on the main factors that would be associated with the failure revealed five main reasons for the failures, which are requirements, resources, schedules, planning, as well as risks. The failure of an organization to identify project requirements that are clear, has priority, having agreement precise and un-ambiguous explain the failure resultant from requirements according to the report.

The Top-down (ERD) technique focuses on the knowledge of higher-level constructs like a collection of things and types of entities.  Its adoption requires that high-level requirements are started with. The requirements ensure that the process of identifying things needed to represent the data and their attributes are collected.

The open source library facilitates creating, organizing, maintaining, managing, accessing, sharing, and preserving the digital document collection. The open source libraries are built today for different communities and in various fields like in education, culture, science, governance, and health (Mann, 2005). 

This coursework also describes the reasons for which, the maximum extent of the entrepreneurs prefer the utilization of portable devices as compared to personal computers and laptops. Moreover, the ways by which, the transition from personal computers to portable devices affected digital marketers or individuals of this age. 

Open Source Systems assist in reducing organizational costs related to licensing and maintenance. It is also instrumental in ensuring competitive advantage through integrating superior technology with the products of a business; without incurring a lot of expenses associated with research, marketing and product development.

Of course, the adoption of combined usage of agile and waterfall had its own share of associated challenges and negative effects. The study found out that most of the respondents’ faced and experienced challenges in adopting combined usage of agile and waterfall methodologies. In fact, most respondents claimed that the severity of the challenges they experienced was insignificant.

According to the understanding from the recent studies, it has been reckoned that the Ministries associated with the educational sector of the country are highly focused on developing a number of effective projects and initiatives in order to make continuous development of the educational services.

The educators are often observed to make continuous interaction and share a wide range of educational materials to each group or individual learners across the nation. Moreover, the success of e-Learning in the KSA can also be measured with the increasing use of advanced internet by both the learners and the educators.

Upon proper analysis of NUMMI, it is evidently clear that some of the problems that the company experienced emanated from the closed firm at GM’s old Fremont plant. Apparently, about 85% of the new joint venture’s workers at the starting point were members of UAW who originated from GM’s old plant at Fremont.

Android is largely built around the Linux kernel, but owing to the usage and portability factor over the mobile phone devices, slight modifications are brought about in the Linux kernel with regard to its implementation of the platform of the smartphone. Based on this novelty, Android has a specific set of applications and commands in Linux that are limited to smartphones only.

The evolution of information security setup is triggered by the threats that are commonly faced by organizations. It is a natural phenomenon that organisms adapt to their environment; the changes in the technology are one expression of human adaptation towards varying needs of the time. There is a huge list of threats that are faced by the present information security setup.

The third chapter will examine the characteristics of the airport terminals at King Abdulaziz Airport and will also provide for traits of passenger traffic flow inside these terminals. The fourth chapter will decipher meaningful methods and techniques to model and simulate passenger flow in the airport terminals by utilizing already available theoretical frameworks.

Due to the evolution in the telecommunication industry, the service providers are working on the transformation of their businesses to suitably address the core challenges: rolling out of new services, supporting new business models, increasing revenues, reducing network costs, enhancing capacity and improving the eco-sustainability.

In this scenario, relational database management systems provide an excellent support to companies for the management of their complex data in an effective and efficient manner (Jingmin & Wang, 2001). 

The impact is even more profound in countries with well-developed broadcast media where civic dialogues can bubble and be guaranteed confidentiality (Chadwick & Howard, 2009). Technology has given citizens a platform, though which they can converse about topics of concern, and people can share their democratic sentiments. 

The firm has about 130 employees and the computer network system designed is expected to promote the effectiveness of operations and support further growth of the firm. The report will outline the components of the network including the hardware and software and also show the topology and cabling diagram of the network.

It can be defined as the software that assists in organizing as well as analyzing data which makes it easy to soft problems in an organization. Many organizations if not all across the world employ some sort of information system which has now become the way of life especial smooth running of the organization.

The STC is the Software Technology Center in Bell Labs Advanced Technologies has come up with the definition of performance engineering, terming it as the best professional activity that helps the project meet the capacity and performance prescription the product. It describes the practices, to be used by various companies in previous years.

The church website is aimed at ensuring that members interact with one another freely at night and can subscribe to the newsletter to get updates every time there is a new posting on the website. The redesigning of the website will factor out the best hosting package and the most reliable company to provide hosting services.

The author states that unauthorized access to data is one of the data security issues affecting businesses. Therefore, there need for safeguarding data from unauthorized users (encryption). Most organizations and businesses implement numerous forms of security by enforcing hardware remedies such as firewalls and routers.

This environment is based on screen size, platform and orientation (Knight, 2011). That is to say that a website is developed and designed to respond to different screen sizes. To understand the concept better, a responsive web design is developed to proportionally and “… gracefully fit on [the] desktop, tablet, and smartphone browsers” (Steimle, 2013), without cropping the content of the web page. 

The author states that the technology revolution is sweeping across all industries including the traditional manufacturing and the new service industries The adoption and use of the latest technologies is now a major source of competitive advantage and forms a strategic area in the organizational environment.

The author of the paper states that the company has become globally renowned due to its exceptional quality of services. Over the last few years, the company has offered an array of services such as integrated digital printing, data processing, and multi-channel communication services to its consumers.

Every cyberspace user has a right to access coupled with freedom of expression, and hence they are responsible for ensuring propped use of cyberspace without transmitting untrue information that threatens the rights and privacy of other users. The freedom of expression and the right to access must be upheld without compromising.

Information technology has made it easy for people to pass various kinds of information from one part of the world to another. This development has seemed to cement the fact that the world has indeed become a global village. Not only in people’s lives has these developments made a great impact, they have also enhanced the manner.

Hosted ERP systems normally deliver compromise feature levels that are greatly pertinent either to on-premise ERP or cloud-based ERP. The literature review established some controversies among opinions documented in previous studies concerning several risks, benefits, limitations and drawbacks of modularizing cloud-based ERP modules from different manufacturers.

Saudi Arabian government or other authorized officials can also work towards developing various e-learning councils, which may contribute to enlarging and boosting the policies, creating a higher level of awareness amongst the inhabitants regarding the e-learning approach, monitoring and initiating the e-learning practices.