Cit 427 Past Questions. CIT427 DATABASE SYSTEMS AND MANAGEMENT is a four-hundred-level course at the National Open University of Nigeria. If you are one of the students preparing to write the CIT 427 exams, then we have important information for you. This is the complete and updated version of Cit 427 past question that will help you prepare well for the exams.
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How Cit 427 past questions is Patterned
This past question follows the original pattern of the CIT 427 question which is the essay pattern. The institution through the lecturer in charge of the course sets questions and students are expected to provide correct answers to them. We have made it easier for interested students. We bring the past question from different years, put it together and compress it into a portable document file format(PDF) which can be downloaded and read through smartphones and other devices. Cit 427 Past Questions
Sample of Cit 427 past questions
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JULY 2017 EXAMINATION
COURSE CODE: CIT 427
COURSE CREDIT: 3
COURSE TITLE: DATABASE SYSTEMS AND MANAGEMENT
TIME ALLOWED: 3 Hours
INSTRUCTION: Answer question 1 and any other four (4) questions
QUESTIONS
1a. Assuming you were employed as a Database Administrator in the IT unit of an establishment. Outline the precautionary steps you would adopt in specifying a system of file organisation for the records of this establishment. (6 marks) Dollar to Naira Rate
1b. If Mallam Shehu banks with GTB and has N500, 000 in his account A304133991 at Wuse branch. Write down a tuple to insert this amount into his account in the specified branch.
(4 marks
1c. Explain by means of a well-labelled diagram how one can access the weather information from a web- service. (8 marks)
1d. Name two (2) common components of an entity-relationship diagram, specifying their equivalent roles. (4 marks)
[Total = 22 marks]
2a. Give an overview of the factors that affect the core design considerations in database systems (6 marks)
2b. State how a key is executed in an indexed-sequential organisation. (4 marks)
2c. List any two (2) kinds of declarations in XML. (2 marks)
[Total = 12 marks]
3a. Outline the procedure for determining the key in an indexed-sequential file organisation. (4 marks)
3b. Briefly describe the concept of file organisation within the context of a file system. (2 marks)
3c. State the two (2) major components of file organisation (2 marks)
3d. Give the full meaning of the acronym XML (2 marks)
3e. What is the significance of the XML? (2 marks)
[Total = 12 marks]
4a.Accessibility is a common feature in Database Management Systems (DBMS). List and explain the two (2) major modes of accessing information in this context.
(6 marks)
4b. Give a brief description of the concept of Latency (2 marks)
4c. Name and state the uses of two (2) typical forms of magnetic disks. (4 marks)
[Total = 12 marks]
5a. In line with the W3C recommendation, the XML specification establishes a number of goals for XML. In simple terms, write down any six (6) of these goals.
(6 marks)
5b. Name and state the main roles of six (6) typical kinds of markup that can occur in an XML document. (6 marks)
:
[Total = 12 marks]
6a. Give a brief explanation of three (3) common modes of data manipulation. (6 marks)
6b. State the two (2) main classes of data independence outlining two (2) features of each of these classes. (6 marks) (6 marks)
[Total = 12 marks]
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7 Tips to Prepare for Exams
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