your probably thinking of a time stamp, a time stamp is meta data that retains information for files and folders such as date accessed, modified, number of files in a folder, user permissions etc... but even if you delete a file/folder it really isn't gone the only thing that happens is your computer simply changes its inode entry to 0 which can be recovered with forensic programs the only way to truly remove it is wiping it at least 7 times or more even though its always there after that it just makes it a little harder to recover it.
Yes, you do need to plug a HD PVR into a computer to record.
You can record piano audio to your computer by connecting a microphone to your computer and placing it near the piano, or by using a digital piano with a USB or MIDI connection to directly record the audio into recording software on your computer.
False
record means something you keep record of such as 'i am keeping record of your home work
You can use a computer to record instruments by connecting the instrument to the computer using an audio interface, opening recording software on the computer, selecting the input source as the instrument, adjusting the recording levels, and then pressing record to capture the sound of the instrument.
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as i understand you question u want to record audio in you computer without mic. you can use stereo mix option
To record guitar to your computer, you will need an audio interface that connects your guitar to the computer. You can use software like GarageBand or Audacity to record and edit your guitar tracks. Simply plug your guitar into the audio interface, open the recording software, select the input source as your guitar, and hit record to start capturing your guitar playing on your computer.
From your computer
You can connect a record keyboard to a computer using a USB cable or wireless connection. To transfer data, you can use software like a digital audio workstation (DAW) to record and save the keyboard's output on the computer.
Computers record data in the form of "bits", Binary Digits.
you have to download hypercam