I am building a website where people can go and buy things with their debit or credit cards. I would also like to add an option for customers to pay via PayPal. What steps should I take to achieve this? How long would it take an expert to program a webpage with PayPal functionality embedded in it?

How do I embed a radio station on my webpage where people can go and listen to any station of their choice? Are there any special codes I need to know to achieve this objective or do I need to develop my own code? If there are ready-made codes could you provide the necessary links for me to gain access to these special codes?

I am having problems testing my makefile which I created in Windows operating system. When I created the file, I saved it as a word document. When I tried running the file, I got an error message. I went back and then saved it as a txt file but that did not work either. So how do I actually save a makefile when I finish creating it?

I would like to know if apps consume a lot of battery power when it is used in laptops. Does the type of application being used affect the battery-life of the laptop? If it does, could you explain how this process of excessive battery consumption affects the power level of the laptop?
 

We can use makefile in Windows and Linux operating system environments. I would like to know how I can start creating makefiles in Linux operating system. Is the process for creating makefile in Windows similar to how to create it in Linux? Please help me with some useful guidelines. Thank you.
 

I would like to know if apps consume a lot of battery power when it is used on Apple iPhone. Does the type of application being used affect the battery-life of the iPhone? If it does, could you explain how this process of excessive battery consumption affects the power level of the Aplle iPhone?

I want to start using Skype very soon. Could somebody who uses Skype tell me how to do the download and install the Skype application? Kindly provide some guidelines for me to install this application on my computer. Can I also download it onto my phone and use it? Can this be done?
 

I need some help in getting my head around the makefile concept. I know they are supposed to make operations at the command prompt much easier. I have used some ready-made ones before but I want someone to explain further, in few words, what makefiles are? How can I write makefiles? Apart from using makefiles at command prompts, what other areas can I apply makefiles to make life a little bit easy for me in the computer world?

I would like to know if mobile apps consume a lot of battery power when it is deployed on android smartphone platform. Does the type of application being used affect the battery-life of the smartphone? If it does, could you explain how this process of excessive battery consumption affects the power level of the smartphone?

I am thinking of installing viva on my phone which is not a touch screen smartphone. Please tell me about the minimum hardware requirement for installation of viva? Can it be installed on non-touch screen phones? If it can, how do I install this kind of application? Please advise me what to do.