Answer:
The correct answer is d) All of these are correct.
Explanation:
ETL stands for Extract, Transform and Load. An ETL system extracts data from the sources, enforces data quality and consistency standards, conforms data so that separated and maybe unrelated sources can be used together, and as a final step delivers data in presentation-ready formats so that developers can build applications and end users can take decisions.
Answer:
You can use the following websites for more of a simple and smooth experience
SoGoSurvey.
Survey Monkey.
Typeform.
Google Forms.
Client Heartbeat.
Zoho Survey.
Survey Gizmo.
Survey Planet.
Hope this helped!
Explanation:
Today personal computer is changed to laptop mode. Personal computer is made of CPU, monitor, keyboard, printer and mouse. All input device and output device connected with wire or without wire.
<u>Explanation:</u>
Personal computers are also called as desktop or workstation. These days all become compatible device which is called as laptop.
Basically all input devices and output device are fixed in laptop so end user can carry the laptop and used anywhere.
Laptop is charged and used, whereas desktop or workstation just fixed in the table and used it.
Answer:
b. adds to Iterator the ability to move backwards in the collection
Explanation:
In Java programming, the ListIterator interface adds to Iterator the ability to be bidirectional i.e move backwards and forward in the collection and it is a sub-interface of the Iterator interface.
The ListIterator interface makes it possible to modify any list during iteration and determine its position in the list.
