replacing the CPU

Please use at least 70 words per reponse and use references
Answer the questions in this format, do not put in essay form

PART 1
1.A colleague says replacing the CPU with a faster processor will increase the performance of your PC. Do you agree? Support your claim with data and/or facts.
2.Discuss disk fragmentation. Include performance, what causes it and how to fix it.
3.List and discuss the advantages and disadvantages of multitasking Operating systems.
PART 2
1.Can computer programs be developed with zero defects? Explain with supporting facts.
2.Java is a popular programming language. Discuss the reason for this popularity, discuss the disadvantages or risks associated with using java
3.Select a business area where expert systems are being used and discuss the advantage/benefit and disadvantage/risk associated with the use of the system.
PART 3
1.Discuss two database administrator’s responsibilities/
2.How can you use data warehouse to improve efficiency of the department (staff).
3.Compare two widely used Relational Database Management Systems. Concentrate on advantages and disadvantages.
PART 4
1.High speed internet capability has changed how corporations do business. Discuss at least two business scenarios made possible by high speed internet access.
2.Discuss how proxy server and firewall are used in hospital businesses or departments.
3.Politics, regulations, and technologies sued to provide internet access determine the type of services. These services vary from countries. Select a few countries and discuss the differences or variance in the services.

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