Question 3 3.1 What are the disadvantages of sequential files? 3.2 List THREE (3) advantages and THREE (3) disadvantages of direct access files? 3.3 Discuss the concept Data Abstraction. 3.4 Differentiate between data and information.
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- Consider the following traditional file system, which shows a number of index cards stored in two separate databases (and possibly in two different locations/ departments). Student information for Jane Blue is shown below: Compare the data found in each index card. State any discrepancies which may be found and explain what problems can occur because of the discrepancy.If a file is larger than a single cluster, how does the operating system know where to find the next portion of the file? Why the FAT file system organizes metadata like file names and MAC times in separate locations than the file data? Explain each of the 5 categories used to evaluate digital tools? Like what happens in each? Acquisition Validation Extraction Consideration Reporting Answer the given in few words or 1 - 2 sentences but answer all please.1) Which of the following best explains why information needs to be archive? a. Information needs to be archive incase that it has large file size b. Information need to be archive because the format of information is invalid c. Information needs to be archive incase that it is no longer relevant to current transaction but maybe relevant to future transaction d. Information needs to be archived to protect data privacy and sensitive information that might be harmful to the organization 2) Which of the following is a common problem with regards with software licensing? a. Often people will choose unlicensed software because it is easy to download specially if it a freeware b. Often people will choose unlicensed software because they want to protect their information from phishing attachs c. Often people will choose unlicensed software because of the many support and updates that it offers d. Often people will choose unlicensed software…
- Discuss the three most common file management strategies.QI - Differentiate between entity integrity and referential integrity in terms of requirements and purposes? - Computer-based file systems had significantly bring improvement over the traditional manual system processes. However, there are still many problems with file systems. Describe THREE (3) system limitations of the file systems?1.Reanalyze the five (5) different file structures that were discussed and search for other file structures that are available in books, the Internet, and other resources. Closely analyze the components, attributes, structure, and operations or implementation guidelines of each file organization. 2.After gathering all the essential ideas and concepts, propose a unique file organization structure or a file management system using the guidelines/questions below. Use 3 to 5 sentences in answering each item. a)Enumerate all your desired attributes/features/functionalities for your file organization design. b)Which specific file system property would you like to focus on: long-term existence, sharable between processes, or good internal structure? c)Select a particular industry (i.e., education, entertainment, health services, and manufacturing industry) that would greatly benefit from your file organization design and explain how it will be beneficial for your selected industry. d)Identify…
- Which one of the following IS a characteristic of file based information systems? Question 14 options: 1) File systems can be maintained by users with no programming background. 2) Excessive data redundancy is often present leading to loss of data integrity. 3) It is easy for non-programmers to perform ad-hoc queries on the data. 4) The programmer does not have to manage the storage and security of the data.Suggest five reasons for incorporating file management systems in operating systems, and state five requirements that ensure users’ data management needs are met.Discuss the concept of tiered storage and automated storage tiering. How do these techniques optimize data storage in enterprise environments?
- V4. Describe how the data received from one system must be transformed to be input into the second system. List each of your steps in the order of what you would do to make changes. The two examples below show the data coming from one system and the data prepared to be loaded in the second system. Data coming from first system Flat file, Header Row: ID, FName, LName, Address, CreditLimit Flat File Data Rows: 101,Bobby, Jones,"356 SE. Morris Rd." "Marshfield, WI 54449","$10,000" 102,Sally, Fernandez," 529 Penn Ave." "Derry, NH 03038","$4,000.13" Data ready to be loaded in second system Flat file, Header Row: ID,Name, StreetAddress, City, State, Zip, CreditLimit Flat File Data Rows: 101,Bobby Jones,356 SE. Morris Rd., Marshfield, WI,54449,10000 102,Sally Fernandez,529 Penn Ave., Derry, NH,03038,4000.13 KDescribe the features and roles of the system, which addressed the limitation of traditional file management systems.Explore the evolution of the macOS file system, from HFS to APFS. Discuss the advantages of the APFS file system in terms of performance and data integrity.