Answer:
c) search operators
Explanation:
Words or symbols that help you narrow down your search are called search operators. This ultimately implies that, search operators are commands and special characters (words or symbols) which help users to filter and refine their search engine results by making the search more precise and specific in nature. Thus, search operators only provide search engine results that are relevant to what a user is searching for or it narrow down the focus of a search.
Hence, search operators comprises of commands and special characters (words or symbols) such as AND, OR, NOT, "", -, +, *, .., :, etc used for narrowing down search engine results.
For instance, typing "file.mp3" in a search engine would only present results that are in mp3 formats.
Answer:
OSI Model and TCP/IP Model
Explanation:
Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.
Answer:
I would need the sentence to make sure that I am correct but I am pretty sure it is C. aficionados
Explanation:
there are many differences, but the most prominent are that they have different apis (aplication programing interface) and different architecture
also mobile apps tend to use less system resources and are more regulated by services like the google play store, opposed to the fairly unregulated uwp platform used by most windows machines.
