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Nimfa-mama [501]
3 years ago
8

Consider the following JavaScript program:

Computers and Technology
1 answer:
dem82 [27]3 years ago
7 0

Answer:

Variable       Where Declared

In Sub1 :

        A        Sub1

        Y        Sub1

        Z        Sub1

        X        Main

In Sub2:

        A        Sub2

        B        Sub2

        Z        Sub2

        Y        Sub1

        X        Main

In Sub3 :

        A        Sub3

        X        Sub3

        W       Sub3

        Y        Main

        Z        Main

Explanation:

In static-scoped languages with nested subprograms, the declaration of a variable is checked with the subprogram, if it is not found, it check within the parent method that called it, it continue until it find a declaration, if no declaration is found, it display an error.

In Sub1, a, y, z is declared there while the declaration of x is found in main.

In Sub2, a, b, z is declared, declaration of y is found in sub1 and declaration of x is found in main.

In Sub3, a, x, w is declared while the declaration of y, z is from the main.

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What is the disadvantage of a mesh topology?
-BARSIC- [3]

Answer:

Topology means arrangement of nodes

Explanation:

In computer science the word topology means the arrangement of nodes and elements in a network. For any topology we do need nodes and cables for maintaining the infrastructure.

In mesh topology the all nodes use to get connected by direct link. While each and every node is directly associated with  one another. In this infrastructure we do need lot cabling where every node will be connected with one another. While usage of good quality cable in network is  also expensive to manage. Although there are lot of benefits of this topology, where the transmission of data would never stop if node is not working the rest will be working to transfer the data among other nodes ,this is more secure because there is no traffic for data to travel via many nodes   to reach the destination. Every node is directly connected and communicate. So, once the node is not working the communication will not be stop but the maintenance and troubleshooting will be difficult in this infrastructure.

It is proved along with lot of benefits and network security ,this infrastructure is having some disadvantages as well. Cabling expense , maintenance cost etc  . usually small scale networks do not prefer mesh topology.  Small scale and low budget companies can  not afford this topology because it is expensive.

Although we do believe that the data security is most important for today's era ,so few companies those wanted to keep their information secure and confidential they must use mesh topology by ignoring the cost incurred for this set up. Data security and integrity would never be compromised by some of the companies.

Mesh topology is more safer, more quick infrastructure which is although very expensive , difficult to mange and maintain. Moreover it is overhead of cabling as well to connect every node but the demand of mesh topology would never be less. It is demanding and appealing topology still.

7 0
4 years ago
Read 2 more answers
In the game of economics, producers look to technological improvements to increase which of the following?
Vaselesa [24]
They're looking to increase productivity 
7 0
3 years ago
Read 2 more answers
DLucy is planning to launch her podcast on career guidance for college students and has already recorded a few videos for market
KIM [24]

Answer:

A. FilmoraGo; C. Adobe Premiere

Explanation:

Many video editing software exists out there, but their function is pretty much the same. They edit, mix and customize clips to create beautiful multimedia content for different purposes (advertisements, podcasts, movies, comedy clips, etc.). This software used are different as some may contain more functions and setting than the other.

Let us take a brief dive into the options:

  1. FilmoraGo: is a video editing software that runs on Andriod and iOS. It contains many effects and it is pretty basic to use and understand.
  2. Google Photos: Created by Google, helps to organize your photo albums and stores them for you.
  3. Adobe Premiere: is also a video editing software, it was first launched in 2003 and has since evolved to contain more sophisticated video editing tools.
  4. Audacity: is an audio editor available for Windows, Mac OS, and Linux. This software is completely free and open source.

Hence, dLucy can use the FilmoraGo or the Adobe Premiere to edit her video clips.

6 0
3 years ago
All of the following are true about solid axles, EXCEPT:
irakobra [83]
Except that solid axles do. It have a break in it
5 0
3 years ago
4.8 Code Practice: Question 1
Furkat [3]

Answer:

c = 1 # global variable

    jhjl jh

def add(): c = 1 # global variable

def add():

   print(c)

add()

   c = c + 2 # increment c by 2

   print(c)

add()

Explanation:

4 0
3 years ago
Read 2 more answers
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