Yes. Download Audacity - free recording and editing software. Easy to use.
You need special software
Skype is a type of video conferencing software. You would install the software on your computer. To effectively use it however, you would need a webcam and microphone, which are hardware components.
Yes. You will need headphones for playback, and a microphone for recording. You set the recording software to use the microphone as the source, and turn off any loudspeakers during playback.
To record guitar on your computer, you will need an audio interface, a microphone or direct input box for your guitar, recording software, and headphones or speakers to monitor your recordings.
Sound recording software. You can download Audacity for free. It is easy to use for recording and editing.
The antivirus software usually works for scanning documents on our pc. If there isn't any special needs, I don't think it necessary to install a special software to scan files.
No you need a special cable like the Pioneer CD-iU50 USB-to-iPod Adapter.
If the motherboard has a mic jack,if not you need a sound card with one. It will only be as loud as the software allows, it is not an amplifier. But you can run it to an amp or your stereo and then to speakers.
You need special software, such as NoteWorthy Composer. Try a Google search on "music composing software" (without the quotes).
No, net necessarily. You do need a Wii microphone
Yes it requires you to have one, unless you have a built in microphone in your computer
You will need a media player software application to listen to an audio file on a computer. That are many different types of media player software applications that you can download for this purpose to your computer.