Answer:
OA.
MTurk(mechanical turk)
Explanation:
Mechanical Turk is a Microwork service provided by Amazon. Correct answer: C It is an online “crowdsourcing” marketplace that was launched in 2005 by Amazon.
This site (service) allows businesses and individuals to post short tasks and pay workers to complete them.
Answer:
1.....There is a standard structure for emails. Email contents are primarily classified as two, the header and the body. We are going to see the contents come under the two subparts. The email header gives us common details about the message such as the unique identity of the message.
Explanation:
2......a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user, used especially for finding particular sites on the World Wide Web.
its components are ....
A search engine normally consists of four components e.g. search interface, crawler (also known as a spider or bot),indexer, and database.
3.....Advantages Of eLearning
It is a very efficient way of delivering courses online. Due to its convenience and flexibility, the resources are available from anywhere and at any time. Everyone, who are part time students or are working full time, can take advantage of web-based learning.
hope this will help you ..
please like and mark as brilliant.
Obtaining a college degree= while this is nice, you can get a lot of placed with just a GED or Highschool Degree
pursuing self-directed learning=this will help you
showing professional behavior= yes this helps a lot
setting long-term goals= this could help you in the end game
Overall, i think it would be between B and C, though C sounds correct over B because even if you pursue self directed learning, you could still get fired or quit or not get a promotion.
Answer:
A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each table record. A primary key is used as a unique identifier to quickly parse data within the table. A table cannot have more than one primary key.
Primary Key.
Candidate Key.
Alternate Key.
Super Key.
Composite Key.
Foreign Key.
Unique Key.
In the relational model of databases, a primary key is a specific choice of a minimal set of attributes that uniquely specify a tuple in a relation. Informally, a primary key is "which attributes identify a record," and in simple cases constitute a single attribute: a unique ID.
Explanation:
