The <u>control class</u> acts as a switchboard between the view layer and the domain layer.
Explanation:
As the name suggests, the control class is responsible for performing the control actions. The view layer defines the entities and attributes which have to be viewed and their structural organization.
The domain layer consists of all the entities, attributes, and relations in the data. The control class controls the flow of information between the two layers and performs the operations of filtering and selecting the content to be displayed.
Answer: magnetic tape, floppy disks and hard-disk drives
Explanation:
Here are some of the computers used in the first generation of computers:
ENIAC
EDVAC
UNIVAC
IBM-701
IBM-650
These are some of the first computers ever that led to today's computers.
