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Tom [10]
2 years ago
9

Assume that you have the business data in various sources such as Excel, .csv, text files and Access, Oracle databases. Write th

e steps that a developers follow when developing an integrated application that requires data from any or all of these sources. Also assume that a developer needs to build two different applications. One of these is a web application and another a GIS application. Briefly describe the process
Computers and Technology
1 answer:
garik1379 [7]2 years ago
5 0

Answer:

Explanation:

I believe the best process for this would be for the developer to create a class that has methods for opening up and reading all the data from each one of the sources. They should also add methods for easy manipulation, and writing to these files. This would allow the development team to easily reference this class and call the methods with a single line of code so that they can get and write the data from each individual source as needed. This design will also allow them to use all of these sources easily from any application by simply referencing the class and without having to change any code.

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Write a program that takes in a line of text as input, and outputs that line of text in reverse. The program repeats, ending whe
dalvyx [7]

Answer:

string=""

while string not in {"Quit","quit","q"}:

   string=input("Enter line to be reversed")   #line of text will be entered

   if string!="Quit" and string!="quit" and string!="q":    #If quit is not  entered

       print("Reverse of line is : ")

       print(string[::-1])

OUTPUT :

Enter line to be reversedThis code is in python language

Reverse of line is :  

egaugnal nohtyp ni si edoc sihT

Enter line to be reversedHello world

Reverse of line is :  

dlrow olleH

Enter line to be reversedquit

Explanation:In the above program, First a while loop is executed and checked if line of text is not 'quit', 'Quit' or 'q'. If condition is true, then loop is executed and in python any string or list can be traversed from end if step is given -1. Similarly line of text is accessed from the last element. If quit is entered, then the program will be broken out of the loop.

7 0
2 years ago
Match the organelles to their functions.
noname [10]

Answer:

I. Smooth endoplasmic reticulum.

II. Golgi apparatus.

III. Lysosomes.

IV. Nucleus.

Explanation:

A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.

A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.

Generally, cells have the ability to independently replicate themselves. In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles.

Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include;

1. Nucleus : it controls all the activities taking place in the cell and the synthesis of proteins. Thus, it's the organelle that commands other organelles.

2. Mitochondria : it provides all the energy required in the cell by transforming energy forms.

3. Lysosomes : they are responsible for absorbing materials and breaking the materials taken in by the cells. Thus, it digests foreign material.

4. Chromosomes : they give sets of instructions for the synthesis of products.

5. Ribosomes : they are involved in the build up of proteins.

6. Smooth Endoplasmic Reticulum : this is where the ribosomes perform their tasks. Thus, it produces lipids and fats.

7. Cytoskeleton : they help to maintain and support the shape of the cells.

8. Vesicles : they ensure proteins are properly transported to the right and exact location.

9. Golgi apparatus : it prepares the protein for export by chemically tagging them. Also, this organelle produces lysosomes.

10. Cell membrane : is the wall of the cell and typically controls what leaves and enters the cell.

7 0
3 years ago
What three best practices can help defend against social engineering attacks?
lina2011 [118]

The three best practices that can help protect against social engineering are:

  • Be watchful of instructions to click on enticing web links.
  • Educate employees regarding policies.
  • Avoid disclosing your login details.
<h3>Social engineering</h3>

This refers to online crimes that are socially engineered or designed to trick victims into providing certain information or carrying out certain actions that would cause unknown harm to them or others.

For example, they may be tricked into revealing their security information or other personal information via email correspondence.

You can learn more about social engineering here brainly.com/question/26072214

#SPJ12

6 0
2 years ago
Which of the following is true of how packets are sent through the Internet?
astra-53 [7]

Answer:

It is A: Packet metadata is used to route and reassemble information travelling  through the internet.

Explanation:

Step 1: The Internet works by chopping data into chunks called packets. Each packet then moves through the network in a series of hops. Each packet hops to a local Internet service provider (ISP), a company that offers access to the network -- usually for a fee

Step 2: Entering the network

Each packet hops to a local Internet service provider (ISP), a company that offers access to the network -- usually for a fee.

Step 3: Taking flight

The next hop delivers the packet to a long-haul provider, one of the airlines of cyberspace that quickly carrying data across the world.

Step 4: BGP

These providers use the Border Gateway Protocol to find a route across the many individual networks that together form the Internet.

Step 5: Finding a route

This journey often takes several more hops, which are plotted out one by one as the data packet moves across the Internet.

Step 6: Bad information

For the system to work properly, the BGP information shared among routers cannot contain lies or errors that might cause a packet to go off track – or get lost altogether.

Last step: Arrival

The final hop takes a packet to the recipient, which reassembles all of the packets into a coherent message. A separate message goes back through the network confirming successful delivery.

8 0
3 years ago
Read 2 more answers
What is the Windows command to see the IP configuration of the PC?
lisov135 [29]
The answer is ipconfig
4 0
3 years ago
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