1.

a)

What is the role of primary key in a database?

1

b)

What is the difference between the Number and Auto Number datatypes of Access?

1

c)

Study the following data and answer the questions given below:

                                      Table: Book

                                             Table: Issue

i.      Name the fields, which can act as the primary key and foreign key for the table Book and the table Issue respectively. 

ii.     What type of relationship exists between table Book and table Issue?

2

1

d)

What is the full form of PNG?

1

e)

Name any two file formats, which can be used, for storing movie files.

2

f)

Differentiate between the .FLA and .SWF file formats of a Flash movie.

2