Answer:
Microsoft Access allows us to sort on multiple fields only if each field is sorted in ascending order.
This is False.
Explanation:It’s straightforward to sort data by one column in Access, when it comes to sorting by two columns, you need to take a couple of additional steps. There is no restriction or requirement of sorted columns before multi-level sorting.
- Steps are:
- Select the entire data set that you want to sort.
- Click the Data tab.
- Click on the Sort Icon (the one shown below). This will open the Sort dialog box.
- in the Sort Dialogue box, make the following selections
- Sort by (Column): Region (this is the first level of sorting)
- Sort On: Values
- Order: A to Z
- If your data has headers, ensure that ‘My data has headers’ option is checked.
- Click on Add Level (this will add another level of sorting options)
- In the second level of sorting, make the following selections:
- Then by (Column): Sales
- Sort On: Values
- Order: Largest to Smallest
- Click OK
Firewall
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Answer:
4 beeps indicate a Memory Read / Write failure. Try re-seating the Memory module by removing and reinserting it in the slot. This could mean it could've just jiggled loose after a while or dust, there could be a hundred other problems but those are the two most common.n:
Answer:
Pros and cons of multiple inheritance
Pros
a) You categorize classes in many different ways. Multiple inheritance is a way of showing our natural tendency to organize the world. During analysis, for example, we use multiple inheritance to capture the way users classify objects.
b) By having multiple superclasses, your subclass has more opportunities to reuse the inherited attributes and operations of the superclasses.
Cons
a) If two classes have a method with the same name, the new subclass doesn't know which one to call.
b) multiple inheritance can lead to a lot of confusion when two base classes implement a method with the same name.
c) The more superclasses your subclass inherits from, the more maintenance you are likely to perform. If one of the superclasses happens to change, the subclass may have to change as well.
d) When a single subclass inherits the same attribute or operation from different superclasses, you must choose exactly which one it must use.
Explanation: Question 2
Some programming languages such as Java don’t allow you to use multiple inheritance. You must translate multiple inheritance into single inheritance or individual Java interfaces. This can be confusing and difficult to maintain because the implemented code for categorizing objects is quite different from the way the user organizes those objects. So, when the user changes their mind or adds another category, it is difficult to figure out how to program the new subclass.
Answer:a non alive object that cant move by itself
Explanation: