A combination circuit would be needed for security because if you had a strait circuit if any one of those sensors or the keypad was ripped off the circuit will now let the flow of electricity be possible but with a combination circuit it helps eliminate that problem because even if on flow path is cut off, other paths are still available <span />
Answer:
The correct answer to the following question will be Metadata Management.
Explanation:
The management of data about the other data is known as Metadata Management. When the data is generated, updated, deleted, created, metadata is generated.
Benefits of Metadata management:
- To locate data for a person, the metadata management make it easier.
- Project delivery become faster.
- Maintain information of organization.
Hence, the Metadata Management will be the best suitable component which defined as the structure and meaning of business data.
Answer:
Explanation:
a)use order by clause for sorting
for $x in doc("books.xml")/bib/book order by xs:float($x/price) return $x/title (default sorted in ascending order)
or
for $x in doc("books.xml")/bib/book order by xs:float($b/price) descending return $b/title (sorted in descending order)
b)doc("books.xml")//book[author = 'Abiteboul']
c)for $x in distinct-values(doc("bib.xml")/bib/book/author)
return <res>
<name>{$x}</name>
<count>
{count (doc("bib.xml")//book[exists(indexof(author,$x))]) }
</count>
<res>
Answer:
CPU scheduling is a process which allows one process to use the CPU while the execution of another process is on hold(in waiting state) due to unavailability of any resource like I/O etc, thereby making full use of CPU. ... The selection process is carried out by the short-term scheduler (or CPU scheduler).
