One advantage of indexed sequential file organization is that  

The protection of database against compromise is known as 

Which of the following is a characteristic of parallel databases?

(a)(i) What is data model?

(ii)State three types of data model

(b)(i) List three approaches to data modeling.

(ii) Explain any one approach listed in1(b)(i)

(a) Vera a secretary to the manager of her organization is saddled with the responsibility of typing a confidential report. She is also instructed to insert the word "CONFIDENTIAL" diagonally in the background of every page of the report.

(i) State the most suitable application software needed by Vera to produce the report.

(ii) What feature of the application software can be used to insert the word "CONFIDENTIAL" as instructed?

(iii) Mention one measure that can be taken to ensure the confidentiality of the soft copy of the report in the computer.

(b) Explain the following terms;

(i) Icon

(ii) Browser