A method is a predefined procedure that you can call (or invoke) when needed. Correct answer: A
Another word for method is member function. A method belongs to classes or objects and usually expresses the verbs of the objects/class. Example: methods open and close for an object of type Window. These methods do corresponding operations to the object they belong.
Answer: Cell phones use radio waves to communicate
Explanation:
Radio waves carry the information and travel in air at the speed of light. Cell phones transmit radio waves in all directions.
Answer:d) VDI(Virtual desktop infrastructure)
Explanation: VDI(Virtual desktop infrastructure) is the infrastructure of the managing technology the virtual desktops.The central host is the devices that helps in the management of the these virtual devices/desktop. Hypervisor is required for virtualization of the server .It also provides security by providing data at the data center/hub.
Other options are incorrect because VPN(Virtual private network)small network connection in network environment with less security, Paas (platform as a service) is a cloud computing technology for users to develop application and Laas(Location as a service) helps in delivering the location.Thus , the correct option is option (d).
D.<span>Read-only memory (ROM); quick to read from
Good luck!</span>
