Huh ? I don’t understand the question
The Graphical User Interface was invented by <span>Xerox PARC by </span>Alan Kay<span>, </span>Douglas Engelbart
Answer:
c) PaaS
Explanation:
Refined and restrictive service model allows the user to use full package of application stack as demand by the service. It should be noted that "PaaS" is the most refined and restrictive service model.
Platform as a Service known as (PaaS ) is computing platform that gives room for the user in the cloud to manage applications.
PaaS helps to overcome the problem in managing the complexity of software licence. Example of PaaS are window Azure,Apache Stratos.
Passwords have existed for centuries for passage through places as a means of security.
Answer: Control
Explanation: Communication channel is the medium created for the process of the communication.These channel let the source to destination communication in a cycle so that message can be send and received respectively.
Control in the branch of communication channel is used for the handling of the communication limit of the message that is being sent and received .It puts a limitation to the extent message can be read, recorded ,movement of resource and other facilities.
