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Test: Section 1 Quiz Review your answers, feedback, and question scores below. An asterisk (*) indicates a correct answer. Section 1 Quiz (Answer all questions in this section) 1. Data Modeling is the last step in the database development process. True or False?
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True False (*) Correct 2. Which of the following represents the correct sequence of steps in the Database Development Process?
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Design, Build, Analyze Analyze, Design, Build (*) Analyze, Build, Design Build, Analyze, Design Correct 3. Entities are transformed into Tables during the Database Design process. True or False?
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True (*) False Correct 4. Most of the well known Internet search engines use databases to store data. True or False?
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True (*) False
Correct 5. In the grid computing model, resources are pooled together for efficiency. True or False?
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True (*) False Incorrect. Refer to Section 1 Lesson 4. 6. Software cannot operate without Hardwar e. True or False?
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True (*) False Correct 7. Personal computers (PCs) have been in existence since 1950. True or False?
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True False (*) Correct 8. A specialized type of software, which controls and manages the hardware in a computer system.
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Hardware Software Client Operating System (*) Correct 9. Which term describes the physical components of a computer system?
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Review (1) Points Hardware (*) Operating System Software Client Correct 10. What is the difference between "information" and "data"?
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Data turns into useful information. It is stored in a database and accessed by systems and users. (*) Data is held and understood only by users. Information is held and understood only by users. Information and data have no differences - they are two words for the same thing. Correct 11. How do you turn "data" into "information "?
Mark for Review (1) Points By storing it in a database By storing it on a server By testing it By querying it or accessing it (*) Incorrect. Refer to Section 1 Lesson 2.
12. Consider your school library. It will have a database with transaction details of the books that are borrowed by students. Is the total number of books out on loan in one given month considered Data or Information? Data Information (*) Both Neither
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Incorrect. Refer to Section 1 Lesson 2. 13. The main subject areas taught by the Oracle Academy are:
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Database performance tuning Computer Repairs Systems programming and computer architecture Data Modeling, SQL, and PL/SQL (*) Incorrect. Refer to Section 1 Lesson 1. 14. The market for IT professionals is still increasing and will continue to do so in the future as the world gets ever more dependent on computer systems. True or False?
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True (*) False Correct 15. Once you have learned how to write programs and build systems, you no longer need any input or involvement from any users as you are perfectly capable of delivering the systems that businesses need and want.
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False. Business requirements can and will change. For instance new legal requirements may arise. (*) True. The only requirement for creating a perfect system is a perfect programmer. True. Users never know what they want anyway, so building systems is best left to the professionals. True. Users delay the delivery of a system by changing their minds and adding new requirements. Incorrect. Refer to Section 1 Lesson 1.
Section 1 Quiz (Answer all questions in this section) 1. Which term describes the physical components of a computer system?
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Hardware (*) Operating System Client Software Correct 2. Businesses involved in any of the following typically use databases to handle their data: Finance, Logistics, Commerce, Procurement, and Distribution? True or False?
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True (*) False Correct 3. Software cannot operate without Hardware. True or False?
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True (*) False Correct 4. Changes in computing have affected many of our day-to-day activities. Are all of the following activities examples of this change? Yes or No? In the past you used to use the phone system to call directory assistance to get a phone number. Today you can use your PC to look up a phone number online. In the past you used to have to go to the shoe store to buy shoes. Today you can use your PC to order shoes online. In the past you had to use your PC to send a person an email. Today you can use your phone to send a text message. Yes (*) No Correct
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5. Personal computers (PCs) have been in existence since 1950. True or False?
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True False (*) Correct 6. Once you have learned how to write programs and build systems, you no longer need any input or involveme nt from any users as you are perfectly capable of delivering the systems that businesse s need and want.
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True. Users never know what they want anyway, so building systems is best left to the professionals. True. Users delay the delivery of a system by changing their minds and adding new requirements. False. Business requirements can and will change. For instance new legal requirements may arise. (*) True. The only requirement for creating a perfect system is a perfect programmer. Correct 7. The main subject areas taught by the Oracle Academy are:
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Systems programming and computer architecture Database performance tuning
Data Modeling, SQL, and PL/SQL (*) Computer Repairs Correct 8. The demand for Information Technology professionals in today's market is increasing. True or False?
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True (*) False Correct 9. What is the difference between "information" and "data"?
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Data turns into useful information. It is stored in a database and accessed by systems and users. (*) Information is held and understood only by users. Data is held and understood only by users. Information and data have no differences - they are two words for the same thing. Correct 10. How do you turn "data" into "information"?
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By storing it in a database By testing it By querying it or accessing it (*) By storing it on a server Correct 11. Informatio n which was gained from data is the same as: (Choose
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Two) (Choose all correct answers) Knowledge (*) Intelligence (*) There is no difference between data and information. Raw Materials Correct 12. Entities are transformed into Tables during the Database Design process. True or False?
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True (*) False Correct 13. Oracle was one of the first relational database systems available commercially. True or False?
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True (*) False Incorrect. Refer to Section 1 Lesson 3. 14. Data Modeling is the last step in the database development process. True or False?
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True False (*) Correct 15. Most of the well known Internet search engines use databases to store data. True or False?
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True (*) False Correct
