How to login to NOUN Elearn Portal
You can now use you matric number to login as your username and password in a lowercase.
https://elearn.nouedu2.net/login/
Note that you are to change your passw...
COURSE CODE: CIT381
COURSE TITLE: File Processing and Management
TIME ALLOWED: 2½ Hours
INSTRUCTIONS: Answer Four (4) Questions
Q1.a Give the full meaning of the following acronyms:
(i) CBIS (ii) PDF (iii) GIF
(iv) FAT (v) CPU (vi) RAM
(vii) RTF (vii) VFS (2 marks each)
b. What do you understand by Search Algorithm? (3 marks)
c. List any three types of Uninformed Search (6 marks)
Q2.a Write short notes on the following:
(i) Biometrics (ii) User Authentication
(iii) Data Corruption (4 marks each)
b. List any three (3) causes of data loss (9 marks)
c. Mention any two levels of security measures in system protection (4 marks)
Q3.a What are backups? List two types of backups? (7 marks)
b. Write short note on each of the following:
(i) Data Validation (ii) Data Dictionary
(iii) Denial of Service (4 marks each)
c. List three implementation of file protection (6 marks)
Q4.a Write a short note on each of the following:
(i) A File (ii) A Record (iii) A Field (3 marks each)
b. Mention and explain any three types of file you know (10 marks)
c. List three (3) File Organisation Criteria (6 marks)
Q5.a Explain a Sorting algorithm to a lay man? (6 marks)
b. List any four (4) different sorting techniques. (10 marks)
c. Mention three Objectives of File Management System (9 marks)
Q6.a Explain what you understand by ”a path name” (7 marks)
b. List two (2) types of pathname (8 marks)
c. Write briefly on the five types of operation that can be performed on a file. (10 marks)
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You can now use you matric number to login as your username and password in a lowercase.
https://elearn.nouedu2.net/login/
Note that you are to change your passw...
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