Answer:
WAN(wide area network) is the network that is used for the connection in the geographical areas on large scale.They are used for connecting the areas like cities, countries, states etc.The connection of various LANs(Local area network) and MAN(Metropolitan area network) form the WAN.
There are several components that are used in the wide area network structure. Some of the constituents are as follows:-
- ATM()Asynchronous transfer mode
- Fiber optic communication path
- Modem having cables
- Frame relay
- Dial up internet etc.
Answer:

Explanation:
Photoshop format (PSD) is the default file format and the only format, besides the Large Document Format (PSB), that supports all Photoshop features.
The `grep` command is used for this. https://man7.org/linux/man-pages/man1/grep.1.html
Answer:
Apply an entrance effect, and then set it to By letter in the Effect Options dialog box.
Explanation:
PowerPoint application can be defined as a software application or program designed and developed by Microsoft, to avail users the ability to create various slides containing textual and multimedia informations that can be used during a presentation. Some of the features available on Microsoft PowerPoint are narrations, transition effects, custom slideshows, animation effects, formatting options etc.
To format an image on PowerPoint, you can either use the Artistic Effects or Picture Effects.
Some of the features available on Microsoft PowerPoint are narrations, transition effects, custom slideshows, animation effects, formatting options etc.
Basically, the views that are available on the Microsoft PowerPoint application includes;
1. Slide Sorter.
2. Notes Page.
3. Reading Pane.
4. Presenter view.
Using a custom animation effect, in order to make text appear on a slide letter by letter, you should apply an entrance effect, and then set it to By letter in the Effect Options dialog box.
Answer:
Explanation:
We could get the four options for this particular example, but we must know what happens with the variable number the value 1000.
In this case, we are going to assume four scenarios:
1) n = n - n this is equal to 0
2) n = (n - n) + n = 1000
3) n = n * 2 = 2000
4) n = n * 3 = 3000
These are simple examples, we could get these options in different ways.