NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT381
COURSE TITLE: File Processing and Management
TIME ALLOWED: 2Hours.
INSTRUCTION: Answer 4 Questions
1. (a) What is a File? (5 marks)
(b) How can you distinguish one file from another (8 marks)
(c ) List and explain three (3) types of File (12 marks)
2 (a). What is File Management System? (4 marks)
(b) List three (3) objectives of File Management System (9 marks)
(c ) List and explain three (3) different operators supported by a File Management System
(12 marks)
3a. . What is FAT? (5 marks)
3b. Write short note on each of the following:
(i) Multi tasking
(ii) Quotas
(iii) Volume
(iv) Records
(v) Folder
(4 marks each)
4a. Explain what you understand by ”a path name”(7 marks)
4b. Write briefly on the five types of operation that can be performed on a file.(10 marks)
4c. List two (2) types of pathname (8 marks)
5a. Differentiate between the following with regards to files operations
(i) Truncating and deleting
(ii). Writing and appending
(iii) Reading and repositioning
(iv) Creating and opening
(3 marks each)
5b. List and explain three (3) operations that are to be performed on a directory. (9 marks)
5c. List two (2) methods of improving file system performance. (4 marks)
6a. What are backups? (5 marks)
6b. Mention two (2) types of backups you know (8 marks)
6c. Explain what you understand by user authentication (8 marks)
6d. How can user authentication be implemented?(4 marks)
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