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National Open University Exam Past Question – CIT381 OCTOBER/NOVEMBER 2014 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CIT381 File Processing and Management

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY OCTOBER/NOVEMBER 2014 EXAMINATION

 

 

COURSE CODE: CIT381 (2 Credit) COURSE TITLE: File Processing and Management

 

2

Total mark is 70 and each question carries 171/

marks.

 

 

Answer 4 Questions in 21/2 Hours.

 

 

 

1(a) Explain a Sorting algorithm to a lay man? (5 marks)

1(b) List any four (4) different sorting techniques. (8 marks)

1 (c) Mention three Objectives of File Management System (4 1/2 marks)

 

 

 

2a.  Write short notes on the following: (i)  A File

(ii) A Record

(iii)A Field

(3 marks each)

2b.Mention and explain any four (4) types of file (4 marks)

2c. List three (3) File Organisation Criteria (41/2 marks)

 

 

 

 

3(a) What is File Management System? ( 5 marks)

 

2

3(b) Outline three (3) different types of File Directory Structure  (41/

 

 

marks)

 

 

3(c)  Give the full meaning of the following acronyms:

 

  • CBIS
  • PDF
  • GIF
  • FAT

 

  • CPU
  • RAM
  • RTF
  • VFS

(I mark each)

 

 

4( a) Describe Free Space Management (4 marks)

 

2

4(b) Outline three (3) methods used in Free Space Management (41/

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marks)

 

 

4(c ) List and explain three measures of protecting systems ( 9 marks)

 

 

 

 

5(a) List and explain three (3) different ways through which a file could be protected? (9 marks)

5(b) Identify and explain two (2) tips for management of electronic files ( 4 marks)

 

2

5(c ) List three (3) example of Navigational File Manager (41/

marks)

 

 

 

6(a) Describe Sorting Algorithm ( 4 marks)

6(b) List and explain three (3) types of Sorting Techniques ( 9 marks)

 

2

6(c ) Outline three (3) types of Search  (41/

 

marks)

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