MCA IGNOU

Q.3(a) Express the following as an associative network structure with interconnected nodes and labelled areas:

Company XYZ is a software development company. Three departments within the company are: Sales, Administration and Programming. Neeraj is the manager of programming. Ramesh and Sue are programmers. Sue is married to Raj. Raj is an editor for Tata McGraw-Hills. They have three children and they live on London Street. Sue wears glasses and is five feet four inches tall.

(b) Identify the following variables as nominal, ordinal, binary or interval or none of these:
(i) university class

(iii) quality of restaurant

© Describe briefly ‘The Frame Problem’ in context of ‘knowledge organization and management’.

Q3(a) Transform the following expression into Prenex Normal Form:

(b) Translate the following statement in FOPL:

(iii) European vegetarians do not take milk, but Indian vegetarians do.

(i) All employees earning more than Rs. 60,000 per year, pay income tax.

(ii) No employee of a university earns more than the vice-chancellor.

(iii) American Vegetarians do not take only milk but Indian vegetarians do.

Q3(a) Transform the following FOPL statements into equivalent conceptual graphs:
(i) (v x) Normal (x) & Grown (x) → Walk (x)

(ii) (V) Haswings (x) Layseggs (x) → Isbird (x)

(b) Explain briefly about the important characteristics a computer memory organization system should possess.

© Identify the following variables as nominal, ordinal, binary or interval-

(iii) population