HND商务信息与通讯技术.docx

1、HND商务信息与通讯技术InformationCommunications Technology in Business :An Introduction(DE3K 35)NAME:SCN: CLASS: ContentsIntroductionThe body of this report consists of seven parts that includes different management needs different information, three types of information system, two pieces of current legislat

2、ion, three data communication systems, two benefits for three data communication, three threats to security of networked information, three ICT innovation of company.Section1 introduced for functions of management coordimtionFigure1 functions of managementStrategic manager: Connor Webster is strateg

3、ic manager of Crown Catering Service Company. Strategic manager need some information to developing Catering Services Company. The information includes an internal information staffing needs. The company should meet the needs of staff. So that staffs work harder. External information includes market

4、 trends. Companies understands the market trends conducive to the development. Catering Services Companys Strategic Manager through the information to formulate long-term planning and setting objectives and policy. The long-term planning is 3-5 year target. Catering Services Company. Catering Servic

5、es Company through object and policy to developing company.Tactical Manager: Crown Catering Services Company has about 20 branches is tactical manager. The tactical manager needs information includes four kinds of internal information and one external information. Four kinds of internal information

6、includes productivity, improve productivity can improve the efficiency of the work. Variance analysis can show difference between the planned and actual production. Tactical manager needs Cash Flows and Budgets information to do budgetary control and monitoring. External information includes current

7、 market data and opponents policy related. The tactical manager through information to obtaining resources monitoring and developing operational policies and objectives.Operational Manager: Crown Catering Services Companys sales manager is operational manager. Operational managers needs real-time an

8、d specific business information. Operational managers to responsible for routine activity business information, monitoring of frontline staff, ensuring effective use of resources, rating to staff of different levels, monitor employee attendance hours worked and overtime. Low levels of responsibility

9、 affecting individuals. Section2 Three types of information systemDSS Operational manager using decision support systems. Decision support systems are interactive systems that rely on hardware and software to support managers in the decision making process and a highly flexible and interactive IT sy

10、stem that is designed to support decision making when the problem is not structured. Connor Webster can use that to do market survey project. The benefits of DSS for Crown Catering Services Company includes optimization and forecasting work completed, simulate scenarios and for easy to Crown Caterin

11、g Services development of contingency plans in advance, understand work processes, prevent the potential danger.ESExpert System aimed to duplicate what an expert or number of experts would do in a given situation. Expert system is suitable for tactical manager. ES system can help Crown Catering Serv

12、ices company solve complex problems and make decisions. The ESs benefits includes put together structured data, defined area and hands complex logic.EISEISs definition is any kind of information system which improves the functions of an enterprise business processes by integration. Strategic manage

13、can use EIS to precise find information in many fields. Fields includes marketing, finance, manufacturing and others. The EISs benefits includes provide the efficiency of decision makers, timely decision, improve the tracking information for Crown Catering Services, provide timely information.Sectio

14、n3: Two pieces of current legislationThe Date protection Act (1998): The Data Protection Act governs the processing of information relating to individuals. The Act covers the obtaining, holding and use or disclosure of information.This Act also concerns personal information held about individuals an

15、d relates to the followingData processed using an electronic system. Information recorded as part of a relevant filing system.The Data Protection Principles:1.Information shall be obtained and processed fairly and lawfully.2.Information shall only be held for one or more specific and lawful purposes

16、.3.Companies should not hold information that is excessive or is not relevant to the purposes the company has registered under the Act.4.Information held on individuals should be accurate and up-to-date.5.Information should not be held for longer than necessary.6.Individuals have the right to see th

17、e data held about them and have corrections made if need be.7.Companies must take adequate security measures to prevent unauthorized access.8.Data must not be transferred to countries outside the European Union (EU) that provides inadequate protection.Suggestion for Crown Catering Services CompanyCr

18、own Catering Services Company should lawfully use the collect data. Crown Catering Services Company should protect the security of data. Crown Catering Services Company should be accurate and update of individuals. Crown Catering Services Company should be not be held for longer than necessary of da

19、ta.Computer Misuse Act 1990This legislation protects information stored on computer from unauthorized access, alteration and damage. Unauthorized access, including hacking or internal members of staff using someone elses password to access restricted information.Ulterior intent with the intention of

20、 committing a crime for personal gain. Unauthorized modification to documents.Suggestion for Crown Catering Services CompanyCrown Catering Services Company often give computer virus. Crown Catering Services Company should put the data in a safe place. The company should prohibit employees from using

21、 the data for profit. The company should define who can access dataSection4 Three data communication systemsA local area network (LAN) is a computer network that interconnects computers within a limited area. A local area network is contrasted in principle to a wide area network, which covers a larg

22、er geographic distance and may involve leased telecommunication circuits, while the media for LANs are locally managed. Limited area includes residence, school, laboratory, or office building. Ethernet over twisted pair cabling and Wi-Fi are the two most common transmission technologies in use for l

23、ocal area networks. A local area network coverage is very small. A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance. Wide area networks are often established with leased telecommunication circuits. Many technologies are avail

24、able for wide area network links. Examples include circuit switched telephone lines, radio wave transmission, and optic fiber. New developments in technologies have successively increased transmission rates. Therefore, the WAN communication requirements and complexity are high. The Internet is the g

25、lobal system of interconnected computer networks that use the Internet protocol suite (TCP/IP) to link billions of devices worldwide. Common methods of Internet access by users include dial-up with a computer modem via telephone circuits, broadband over coaxial cable, fiber optics or copper wires, W

26、i-Fi, satellite and cellular telephone technology. The shortcoming of internet includes very vulnerable to intentional attacks.Section5 Two benefits for each of the three data communication systemsLocal area networkEnables the sharing of hardware on the network. Crown Catering Services Company can u

27、se local area network to share printer that can improve work efficiency. Saves duplication of work within the organization. Local area network can help Crown Catering Services Company to Saves duplication of work.InternetThe use of email as a communication tool. Staff use the internet to send email

28、that easy and save time.It enables you to create links with customers and suppliers. Crown Catering Services Companys staff can uses internet links with customers and suppliers to handles business. Wide area networkIncreased security of data that is backed up on file service and restricted access th

29、rough the use of passwords. Crown Catering Services Company use Wide area network to enhanced data security.Networks also allow data to be exchanged with suppliers and online payment facilities, making them much more efficient. Network can help Crown Catering Services Company with suppliers to excha

30、nged data and online payment. Section6 Three threats to security of networked informationHackersHacker means research outsmart computer security system staff. Use of public communications networks, such as Internet and telephone system, without permission, to load other systemSuggests:The Crown Cate

31、ring Services Company should give data encryption in order to prevent hacker attacks, the Crown Catering Services Company to supervise everyone access to data to rule out the hackers.Natural DisastersNatural disasters can destroy hardware store data, such as earthquakes and floods can destroy hardwa

32、res data.SuggestsCrown Catering Services Company can build a database without a place of natural disasters. The company regularly updates and backup of data.Computer VirusesComputer Viruses: Compilers is inserted in a computer program function or destruction of computer code data, can affect computer use, a set of computer instructions, or self-replicating code.SuggestsThe Crown Catering Services Company save data to a computer install anti-virus software upgrade to the latest version, and open real-time moni