a (i) Define an operating system.
    (ii) State two functions of an operating system
    (iii) List two differences between an operating system and application system software.

b Starting from the Save As dialogue box, outline the steps involved in passwording a document in a word processing package.

(a) Define the following

(i) Database

(ii) Database management system

(b) Mention three functions of a database management system.

(c) Mention two ways through which data can be destroyed.

(d) State three precautionary measure to prevent data loss. 

(a)(i) Define application package.

(ii) State one use each of any four application packages

(b) List two benefits of a presently package

(c) Outlines three guidelines for creating a good MS PowerPoint Presentation

(a) Define; 

(i) Data Security (i) Data risk assessment

(b)(i) What is Access Control

(ii) List the access control methods in database security.

(c) State three roles of a database administrator.

Given an internet connected computer, outline a step by step procedure for carrying out the following operations;

(a) How to log on to www.mybooks.com and obtain the prices of books W, X, Y, Z and M.

(b) How to tabulate the prices in a worksheet, showing the prices in dollars and the naira equivalent, for each book and save the workbook as "Prices of Books". Assume that the prices of the books are given in dollars, [use $1.00=N120.00].

(c) How to send the workbook in 5(b) as an attachment to your father's email address (myfather@yahoo.com) with the subject "Price of Books".