Answer:
Employers are allowed to check the number of keystrokes that word processors enter during the day.
Explanation:
An employer is authorized to monitor the activity of its employee when:
- The employee authorizes it.
- The employer owns the system to be used.
- Surveillance is necessary for a strictly professional purpose.
By analyzing the keys pressed per day, the employer can determine the performance provided by its employees, and if they use the company's resources, for non-work purposes.
Answer:
CPU, input unit, Output unit, memory unit
Answer:
Mail Merge is a way to send the same message to a large number of persons, with each one properly addressed to a specific person.
Explanation:
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>