1. This software has been used to connect two or more software components in a system architecture where software from different vendors are in use. ____________is computer software that provides services to software applications beyond those available from the operating system.

2. Which is not one of the well-known numerical data validation Rule.

=Sequence check

=Existence check

=-Data type check

=Range check

=Spell check

3. In System Installation and Evaluation process; Organization should be observed carefully to determine how the system will support business operations, and who will be involved. This is to come up with the group of people who should receive training. Which one has the main groups for training?

=Owners, Managers, HR staff

=Developers, Potential users, staff

=Users, Managers, IT staff

=Future Users, Managers, Programmers