Friday, April 2, 2010

ASSIGMENT 10: VERIFICATIONS

Verifications

Verifications is the fact of proving or disproving the correctness of the system with respect to a certain formal specification.

Methods of verifications
  • User Identification
  • Processed object

User Identification

It is an unique number assigned to a user from which the user is identified to various resources such as files in an operating system.

example;

1. Key in the user name to log-in to a system and the system will verify whether the user is valid or invalid user.

2. Show a passport before departure.


Processed Object

It refers to something the user has.

example;

1. Identification card

2. Credit card

3. Cell phone