811 words - 4 pages
expansion card that allows the computer to send audio infromation to an audio device.
Is the electronic and mechanical equipment that makes up a computer.
Is the series of instructions that tells the hardware how to perform tasks.
An operating system is a set of programs that coordinates all the activities among computer or mobile device hardware.
Is a device or program that enables a computer to transmit data over.
Is a collection of computers and devices connected together
A computer dedicated to providing one or more services to other computers or devices on a network.
Is a special computer for technical or scientific
1226 words - 5 pages
need to be used, critical patches necessary, any default passwords, and any misconfigured items. There are options for both free vulnerability scanners and ones which need to be paid for. I propose the use of Microsoft Baseline Security Analyzer or MBSA in order to find the issues with the current network configuration.
I chose MBSA because it gives an in depth security analysis. MBSA, because it has to be activated on each computer revealing their vulnerabilities, is most useful in a setting such as this where there are not thousands of computers. This way we get an in depth understanding of the vulnerabilities. Another advantage is that due to being created by Microsoft there
2848 words - 12 pages
topology" here refers to how network components are arranged or laid out in a network.)
Also, explain how they relate together
Computer networks can be defined as a set of computers linked together to share diverse resources. In today’s world, those resources can be defined as information and other great material found on the internet. Networks are a fantastic concept that has brought about great things we can talk and communicate about. Sure, we did those things in the past but, with today’s technologies, we can communicate at great speed about things that took time in the past. Now, you might say, “What things can we talk about with great speed?” Well, anything! By
846 words - 4 pages
Boot process is the time between a person turned on the computer and the time the computer is ready to be used. Boot process runs very smoothly in Windows computers, but if there was a problem, it needs to be repaired before any software is open. As the power-on self-test is operating, the boot process produces flashing lights, whirring noises, and beeping. This test gives you a warning if the computer is out of whack, but it's unable to warn you of what's about to happen. The most important purpose of the boot process is that it loads the operating system from hard disk into memory, which communicates with any input, output, or storage devices. The reason that the operating system can't
602 words - 3 pages
Spyware hides your files from hackers, thieves, and unauthorized communication. Software guards against identify theft, online fraud, spam, and online scam protection. It protects children while on line and shied a person from receiving junk mail that is not wanted. Further more, it has home network protection software included, that protects your files, e-mail, instant messages, and other documents on a person's computer. McAfee also supports other e-mal programs, pop3, MAP1, and Web MSN/Hotmail, AOL Instant Messenger, Yahoo, Microsoft Windows, and MSN messenger are also supported by McAfee.McAfee website has a lot more technological information about their web site than Norton. McAfee goes
1480 words - 6 pages
connected to and go to properties
• Double click “Internet Protocol Version 4 (TCP/IPv4)”
• Click the bubble next to “Use the following DNS server addresses:”
• On Preferred DNS server:, enter 10.10.1.10
• Click ok
• Go to file explorer
• Right click “This PC” on the left side and then click Properties
• Go to Advanced system settings
• On the Computer Name tab, click Change
• Under Member of, click Domain, type the name of the domain that this computer will join, then click OK.
• Click OK, and then restart the computer
How to join a MAC to the Domain
• Click the Apple menu (the apple in the left corner of the screen) > network
• Click advanced
• Click the DNS tab
• Click Add and then type
1966 words - 8 pages
. The server you connect to may be connected to other IRC servers and together these make up an IRC network. The server is a long-running program, on a computer whose address is well known. The client is a short-running program (a simple type of application on your computer) which, when started, connects to the server and joins one or more channels. Each network consists of several servers, which helps in increasing the performance and the resilience of the system. In addition to that there is an interesting thing about IRC, Every IRC network has a huge amount of chat-rooms, or channels, and you can be in many channels at the same time. It is also possible to communicate private directly with
820 words - 4 pages
the precise function of the planned device. Having established the project specifications, the engineer designs the components, assembles them, tests the new device, and evaluates the design as to its overall effectiveness, cost, reliability, and safety. This process applies regardless of the end- product.Software engineers design, create, and modify general computer applications software or systems. Software engineers can be involved in the design and development of many types of software including software for operating systems, network distribution, and compilers, which convert programs for faster processing. In programming, or coding, software engineers instruct a computer, how to
820 words - 4 pages
Windows XP Professional, the most recent client operating system release from Microsoft, has many advantages over its predecessors, making it the logical choice for implementation throughout Riordan Manufacturing.Built on Windows NT architecture* A true 32-bit operating system* Fully protected memory* Additional protection for the kernel and device drivers to prevent corruptionSystem Improvements* System Restore allows the system to be reverted back to a selectable date* Recovery Console allows administrators to perform advanced recovery tasks* User State Migration provides a convenient mechanism to move user setting to a new computer* Safe Mode options are available to troubleshoot startup
519 words - 3 pages
The McBride Financials computer network has to provide the following services: 1) web services, 2) file and print, 3) secured local and remote access, 4) email, and 5) a robust database system. There are to be eight sites in the network spread over four states. Two sites have been purchased, the central office site in Boise, Idaho and a branch office in Sioux Falls, South Dakota. To provide the basic services required by McBride Financials would require five servers. Security concerns may require the purchase of additional servers or hardware devices.Server hardware and server operating systems have become less expensive and more robust. More robust servers allow for the consolidation of
1958 words - 8 pages
IEEE 802.3 protocol. The protocol has evolved and improved over time to transfer data at the speed of a gigabit per second.
Many people have used Ethernet technology their whole lives without knowing it. It is most likely that any wired network in your office, at the bank, and at home is an Ethernet LAN. Most desktop and laptop computers come with an integrated Ethernet card inside so they are ready to connect to an Ethernet LAN.
What You Need in an Ethernet LAN
To set up a wired Ethernet LAN, you need the following:
· Computers and devices to connect. Ethernet connects any computer or other electronic devices to its network as long as the device has an Ethernet adapter or network card
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Internet Crimes – Informative Speech
New times brings new crimes. Cybercrime is defined as any crime involving computers or computer networks. This can include online credit card fraud, identity theft, harassment and bullying, and the distribution of child pornography or any other illegal material. Today I’m going to talk about the history of cybercrime, the agents that are responsible for establishing justice in cases and how this can affect anyone.
Cybercrime begins as a way for hackers to break into computer networks either for fun or to access classified information. This led to the spread of viruses that were able to cripple and disrupt the computers’ network operations. This causes a
3969 words - 16 pages
way, the source can transmit a single flow of data packets which are subsequently delivered to a group of receiver nodes. As a result, multicast routing protocols are extensively used in computer networks, as these techniques allow applications to be able to save bandwidth and reduce the traffic load in the network. In relation to multicast protocols, most of them have been designed for use in wired networks, such as the Internet; similarly, some multicast protocols have been proposed for wireless environments, like wireless ad hoc networks, however they usually deal with the transmission of multicast traffic within the wireless network and do not address those issues related to the
1674 words - 7 pages
, can enhance the computer's graphics capabilities. (Warrick) Pictorial images generally contain an enormous amount of information, each piece of which must be translated by the computer into a digital code and stored in computer memory. For example, a study of thermal convection in the Earth's mantle, in which huge amounts of raw data are converted by the computer into colorful three-dimensional images, is possible only by using a supercomputer, an extensive network of linked desktop computers, or some combination of supercomputers and specialized smaller computers. (Warrick) Computer graphics often employs specialized hardware and software technologies. On the hardware side, a great deal of
777 words - 4 pages
for a new job. Source: GreenfieldOnline.comhttp://www.cdadc.org/itwp/ctf.htmlRecently I experienced this problem. As a small business with 10 employees, my office suffered a virus on our network. The computer virus came in via an employee surfing the internet. The virus shut our internal computer server down for two days. Although I had control techniques in place to prevent this problem, it happened. The cost to my company was in excess of $ 3,000.00 dollars in software and computer consulting time to fix the problem. During this time, I lost approximately 60 man hours of productivity.Looking further the problem, a search showed every computer had been used to surf the internet during work
3554 words - 15 pages
With the rapid development of computer technology, the scale of the communication network service market is also expanding. As the third largest telecommunication operator in New Zealand, Kordia has 25,000 km of national network. Internet and network media have greatly affected the traditional broadcasting and television business. We have been providing telecommunications services for radio and television customers in the market also suffered a great impact. Kordia needs a new market plan and changes the current dilemma. After many years of accumulation, Kordia has many mature products. We hope to extend these products to new markets, not just in the field of radio and
1700 words - 7 pages
prevent rogue users from unauthorized WLAN access
Doctor destroys data in application, deletes all files, and gains access to internal network
Fire destroys primary data center
Intra-office employee romance gone bad
Loss of production data server
Unauthorized access to organization-owned workstations
LAN server OS has a known software vulnerability
Nurse downloads an unknown e-mail attachment
Service provider has a major network outage
A technician inserts CDs and USB hard drives with personal photos, music, and videos on organization-owned computers
Virtual Private Network (VPN) tunneling between the remote computer and ingress/egress router
Workstation browser has a software vulnerability
1917 words - 8 pages
- this term is used to encompass frequencies between 3MHz- 1 GHz and covers radio broadcasting, mobile telephony at (1khz) and various data networking applications such as cordless phones to baby monitors. Its use in computer networks is limited to applications such as Bluetooth, a developing industry standard that allow any sort of electronic equipment (cell phones, keyboards, headphones) to make its own wireless connections. However, radio is not used for Local area network an or wide area network's (WAN) because of its low bandwidth.Satellite - transmissions from microwave (5.925- 6.425 GHz) from stations to and from a satellite orbiting above the earth. The satellites orbit at a fixed
738 words - 3 pages
them during our leisure time for browsing the Internet, reading news, e-mails watching movies and listing to the music. In recent years we?ve seen enormous change in computers industry like available technology, e-business, global network. There are more ?players? trying to get the piece of the computer ?pie? and come up with the best and most recognized product. We?ve heard of computer giants like IBM, Apple, Compaq or the software emire Microsoft. They all have strong name recognition, yet todays market is not looking at the names anymore.Nowdays customer are more savy and value services like support, warranties, upgradeble feuters and all of it for the low price. Therfore what places the
3360 words - 14 pages
Benefits of Preventive Maintenance
There are several considerations for preventive maintenance plans. Preventive maintenance plans are developed based on at least two factors:
· Computer location or environment - Computers that are exposed to dusty environments, such as those used on construction sites, as shown in the figure, require more attention than computers located in an office environment.
· Computer use - High-traffic networks, such as a school network, might require additional scanning and removal of malicious software and unwanted files.
Document the routine maintenance tasks that must be performed on the computer components and the frequency of each task. You can then use
728 words - 3 pages
Running Head: APPLICATION ARCHITECTURE 1
BUILDING A PAYROLL PROGRAM 6
Case Study 2: BUILDING A PAYROLL PROGRAM
Professor Nancy Romero
May 26, 2017
A job is given to build a payroll program for a large organization with offices spread across the united states. The organization insist on one large data center so that each office will have access via Wide Area Network (WAN). Having to build a payroll program for such large organization has its own challenges and must be design in a certain way to be successful. The right architecture application plays a very important role in the payroll program development. The wide area network (WAN) diagram will be
657 words - 3 pages
power of the TCP/IP model in its ability to describe what happens at each layer to the data that goes form one computer to another.
The TCP/IP model was created by the Department of Defense. In the 1960s and is based on standards protocols. It contains 4 layers which are: process/application layer, Host-to-host/transport layer, Internet layer, and Network access/link layer. At the process/application layer, it corresponds to the combination of Data link layer and physical layer. Internet layer refers to the Network layer which includes, IP, ICMP, ARP. The host-to-host layer refers to the transport layer is the same as the OSI model. It includes TCP and EDP.
10. Explain how a CRC is
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numbers separated by dots (i.e. 126.96.36.199). One byte of address is represented by each decimal point and the dot values can range for 0 to 255. The IP address identifies the network and the computer on a specific network. Every IP address has a domain name, which is usually the name that is recognized and more familiar (i.e. att.com) (Goldman, 1995). There are different domain names such as: edu, com, gov, mil, org and net. Edu is for and educational university, com is for a commercial business, gov is for a government department or agency, mil is for a military unit, org is for a nonprofit organization and net is for an organization with ties to Internet administrative bodies (Fitzgerald &
1216 words - 5 pages
Australia connected Sydney, Canberra and Melbourne in 1962.Optical FibresAn optical fibre is a very thin tube or strand of glass which was first developed in the 1930's. Optical fibers play a prominent role in the global communications network. The tube uses total internal light reflection where voice, fax or computer data are converted into an electrical signal and is then turned into pulses of light being proved by a laser. Laser light is coherent (same frequency and wavelength) resulting in a powerful beam which can carry a large amount of data with little dispersion. Sydney and Melbourne are linked with over 1.5 kilometres of optical fibre.Deborah White 10BMicrowavesMicrowave links are used
325 words - 2 pages
Internet is one of the most important inventions in history. It is a network of milions of computers around the world, connected by phone lines, satellites or cables. Millions of people from all over the world use it every day, so I think that Internet has more advantages than disadvantages.Internet has made the world a real global village which permits us to travel, pay bills or do the shopping without going out from our houses. We can read newspapers, play games or even plan our holidays. A huge merit of Internet is a possibility to download music and films in no time.We can also communicate with other people from all over the world by means of programs like IRC, ICQ or GG. We can join a
5352 words - 22 pages
International Journal of Information and Education Technology, Vol. 3, No. 1, February 2013
Abstract-Gamification is the use of game mechanics such as
rewarding points and achievement badges to engage target
audience and encourage desired behaviors. Gamification has
gained a great surge of interest in recent years as an effective
approach to engage existing users and attract new users to web
sites. In this paper, the use of gamification in engaging
Computer Science students in an online social network based
collaborative learning environment, called PeerSpace, is
discussed. PeerSpace integrates a suite of Web 2.0 tools that
1158 words - 5 pages
Cerf’s protocol transformed the Internet into a worldwide network. Throughout the 1980s, researchers and scientists used it to send files and data. In 1991 the Internet changed again. A computer programmer in Switzerland named Tim Berners-Lee introduced the World Wide Web: an Internet that was not simply a way to send files from one place to another but was itself a “web” of information that anyone on the Internet could retrieve. Berners-Lee created the Internet that we know today. Since then, the Internet has changed in many ways. It allowed users to see words and pictures on the same page. That same year, Congress had decided that the Web could be used for commercials. As a result
706 words - 3 pages
manufacturing facility, US-CERT sent its Industrial Control Systems Computer Emergency Response Team (ICS-CERT) to deal with the situation quickly. The ICS-CERT reported that the virus was found on computers worldwide in 2010 (Ferran, 2012). ICS-CERT conducted an onsite response, identified all equipment that was infected and removed the malware from the control system network. It was reported that the virus may have been created by a non-nation state and had the U.S. and Iran atop of that short list according to a congressional report and cyber experts (Ferran, 2012). US-CERT has been responding to numerous sites since the Stuxnet event. In 2011 the incident response tickets went from 41 in 2010 to
976 words - 4 pages
things. Your health-insurance, driver's licence, personal identification and many other things. Some people say that this is the beginning to the completely government controlled society where your every move is followed by the administration.The year is 2096. We are standing in the airport near Copenhagen. A lot of people are walking by with their net-agents. A small computer-program that has been trained to inform you on all the things that you find interesting. To identify themselves they have their citizen-card plugged into the device. An agent is calling our net-computer. He wishes to inform us about all the activities in Copenhagen today but of course only the ones he knows we might be
912 words - 4 pages
24 Jan 2019
Allowing Computer Tablets in Prison
South Carolina Department of Corrections director, Bryan Stirling, is proposing a program to allow computer tablets in our state prison system. The State newspaper reporter Emily Bohatch reports Stirling is considering allowing prisoners to have access to computer tablets. Stirling states this would possibly decrease violence in prisons, help with prisoner’s educational goals, cut down on illegal cell phone use and provide a solution for employee shortages in the prison system.
A plan on how inmates will access tablets in still unclear. There is consideration to allow prisoners to check out
608 words - 3 pages
government regulation The Federal Communications Commission (FCC) was formed in 1934 to regulate the expanding wireless medium War of the Worlds October 30, 1938 the Mercury Theater broadcasted a play based on the H.G. Wells story "War of the Worlds" This episode demonstrated how easily alarming information could be innocently misrepresented Radio Networks Expand David Sarnoff launches NBC January 1927 NBC formed two networks: o Red Network o Blue Network RCA continued as the worlds largest distributor of radios William S. Paley starts CBS Paley became the nemesis of NBC, and the competition developed American Broadcasting Edward Noble buys American Broadcasting Company (ABC) for $8
496 words - 2 pages
Nowadays, technology has been the most significant change in teaching and learning that we will ever see in classrooms. Computers, tablets, and new technology surround student’s lives, except when they are inside of a classroom. On my point of view, schools have to have sufficient technology infrastructures to support their students because many students cannot afford a computer for school usage. With technology in classrooms, students can have access to the Internet, and also access to fresh information that can improve their learning experience. Also, we all know that using the Internet in classrooms can be a distraction, and it has many negative points, but the important thing is the
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while maintaining excellent customer relations and competitive pricing. However, this growth has presented the company with a variety of operational challenges that need to be addressed as Riordan Manufacturing Inc. moves into 2006 and beyond.In this proposal, the Operations Team is recommending a series of systemic changes that improve Riordan's manufacturing and inventory processes, utilizing computer systems to increase efficiency. This was created to answer the service request logged by Hugh McCauley, COO of Riordan. The directives of this service request were further detailed by Maria Trinh, CIO of Riordan. In a memo dated September 10, 2004, she stated:The primary goals of the project
1389 words - 6 pages
Kong, we employ a far-reaching global network that stretches across six continents, and includes the largest distribution network and hub operations in the Greater China and ASEAN region.
I am working as his assistant. In this report i will recommend which computer to buy for the company
Finding the suitable computer using in the Kerry office to get the effective in job and time
Company policy and procedures
A COMMITMENT TO SUCCESS
As Asia’s premier logistics service provider, we are deeply vested in your success in both the region and the larger global market.
We understand the uniqueness of the Asian market and the complexity of global supply chains
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multitude of evidence. They claim that one weather activity, for example, a hurricane cannot be directly connected to global warming. Even though it might be true, data gathered over several decades point to climate change and the involvement of humans in it. Climate change and cyber security are very alike in nature but are they connected? Several parallels exist between climate change threats to critical infrastructure and information risk. The correlation can assist companies to come up with successful cybersecurity policies. In the virtual space, firewalls, computer servers, routers and related technology rest at the utmost border, or edge, of a secure computer network. These cyber
4589 words - 19 pages
transformed how people communicate, learn and work. According to the tech experts, world has just seen the tip of the iceberg in terms of the innovative potential show cases by digital technology and the best is yet to come, (APAC CIOoutlook, 2018)
Analyses were conducted on of businesses found in the sector which include; Technical support, Programmers, Web developers, Computer systems analyst, IT security and network engineering. The types of business are found both in some small enterprises, locally and multinational business leading in the different businesses. Additionally, the report went on to describe the biggest leading companies in digital information technology and these include
864 words - 4 pages
classification guide, the program uses multiple methods including
computer network exploitation, interdiction, industry relationships, collaboration with other intelligence
community entities, and advanced mathematical techniques.The NSA encourages the manufacturers
of security technology to disclose backdoors to their products or encryption keys so that they may
access the encrypted data. However, fearing widespread adoption of encryption, the NSA set out to
stealthily influence and weaken encryption standards and obtain master keys, either by agreement, by
force of law, or by computer network exploitation. Access to the program is limited to a group of top
personnel at the Five Eyes
1496 words - 6 pages
American College Dublin
Course: Corporate Finance
Name: Liam Rogers
Student Number: 2065259
Table of contents:
· History of companies.
· Reasons for the merger.
· Reaction of Stakeholders/Competitors.
· Finance/ the Deal.
· Conclusion/Will this be a success?
Describe a merger or acquisition that has taken place in the last 3 years.
History of Microsoft:
Microsoft is a multinational computer technology corporation. The history of Microsoft began on April 4, 1975, when it was founded by Bill Gates and Paul Allen in Albuquerque. Its current best-selling products are the Microsoft Windows operating system, Microsoft Office suite of productivity software, Xbox, a line of
1618 words - 7 pages
A home automation system typically connects controlled devices to a central hub or "gateway". The user interface for control of the system uses either wall-mounted terminals, tablet or desktop computers, a mobile phone application, or a Web interface, that may also be accessible off-site through the Internet. Also it will control lighting, climate, entertainment systems, and appliances. It may also include home security such as access control and alarm systems. When they are connected with the Internet, home devices are an important constituent of the Internet of Things.
The Internet of Things (IoT) is the network of physical devices, home appliances, and other items embedded
1170 words - 5 pages
finance and accounting systems and uses different software is relatively simple. Statistical time division multiplexing (STDM), a system that transmits multiple varieties of data at the same time across one transmission cable (such as a T1 or T3 line is possibly the best answer for enhancement changes with Riordan. The STDM system is used to manage information transferred through a local area network (LAN) or a wide area network (WAN); this data is transferred in conjunction from various numbers of input devices that are attached to the network, and this includes computers, fax machines, or printers. STDM is similar to time division multiplexing (TDM) and at the same time monitor many users or
930 words - 4 pages
, but they still do not have the power of computer yet. WiMAX (worldwide inter-operability for microwave access) technology could offer a customer another means in which to communicate and access information wirelessly through the use of their own computer.WiMAX™ is based upon the IEEE 802.16 standard enabling the delivery of wireless broadband services anytime, anywhere. WiMAX products can accommodate fixed and mobile usage models. The IEEE 802.16 standard was developed to deliver non-line-of-sight (LoS) connectivity between a subscriber station and base station with typical cell radius of three to ten kilometers. (Wimaxforum.org, 2009) Seattle would make a good candidate for the WiMAX
766 words - 4 pages
Most organizations maintain and manage large amounts of information. One of the most efficient and powerful information management computer applications is the relational database. Information can be stored, linked, and managed using a single relational database application and its associated tools. In my organization information is one of our most important assets. This information includes customer records, sales and marketing data, accounts receivable, accounts payable and inventory records. The information system that holds those records is a database.A database is a collection of records stored in a computer in a systematic way, so that a computer program can consult it to answer
1467 words - 6 pages
provided with unique identifiers (UIDs) and the ability to transfer data over a network
without requiring human-to-human or human-to-computer interaction. In simple terms, the
intelligence of machine is able to promote into a level that can be called smart transfer station.
I mentioned that the package transfer station is wi-fi connected, IoT is the way to achieve
wi-fi connection and build connectivity between people and product. I imagined that the
ultimate goal of the application of IoT can build connection across the company, the courier,
the machine, the object, and customer, to compose a cycle that every single term can
exchange the latest information in the shortest time
2436 words - 10 pages
How to Install Linux on a Virtual Box VM
For C++ Development
1. Install Oracle Virtual Box
Download Virtual Box Windows host
On installation accept defaults, unless you wish to install it on a drive other than C.
If asked by Windows Security, allow the installer to install the Oracle USB device driver, Network adapters and Network Service software.
2. Create a Virtual Box VM
Make sure you have at least one optical drive installed on your computer. If you do not, you will need to connect a USB optical drive before proceeding.
Open Virtual Box from the Oracle VM Virtual Box program files folder or from your desktop shortcut.
Click the New button to create a new Virtual Machine. Click the
1614 words - 7 pages
to be competing by offering new I.T. bank services. For example Bank of Valletta started using mobile banking while HSBC are launching this service in March 2005. Mobile and wireless technology enable banks to satisfy clients who demand real-time information and mobile payment accessibility for example buying top-up cards for your mobile. To access mobile banking you will need a WAP-enabled mobile phone. Through a mobile phone, an individual can access his or her account information, effect transfers to third parties, request banking services as well as other information and pay bills. There may be times when it is not possible to access a personal computer. It is in these particular
4205 words - 17 pages
turnover of the Wal-Mart employee base, it becomes very difficult for the company to see any return on this initial investment of time and money into training.In response to both the growing problem of the expense of training a constantly turning employee base and current advances in training technology, management has determined that the implementation of a computer based training and assessment system is crucial to the continued successful growth and operations of the organization. The new training system will work to reduce the dollar and time costs currently invested in training through the implementation of in store computer based training kiosks. Rather than spending two weeks learning
5012 words - 21 pages
. According to, "Ericsson WCDMA System Overview" by Daniel Trinidad, majored in Electrical and Computer Engineering, the network configurations integrated by the Softswitch solution, provides phone calls with better talk qualities, lowers the cost of RBS installations, and provides smoother service.Maintaining and operating the software equipment within the network of a city can be done through the RBS. Usually when there is a software issue in a Radio Base Station an alarm will notify an RF Field Engineer through a program called, "Alarm Handling Application". These alarms guide the engineer on what the problem is and how it can be resolved. These alarms go off when there is any type of issue in
505 words - 3 pages
error.The E-Mail user also has to pay a monthly fee for an internet account, generally ranging from eight dollars to twenty-five dollars per month, and the user may send unlimited E-mails. Local Post Offices charge for envelops and packaging material. The cost of a stamp is thirty-seven cents for each letter. This cost adds up when mailing three to four letters a day. Reliability of E-Mail far outweighs the Postal System. Because a computer network runs e-mail, human error is unlikely. Consequently, E-Mail is usually transferred to the correct address; it is never lost, stolen, and its contents are never removed or damaged. On the other hand, the Postal System has more problems. Since humans