The sound of a household microwave oven as it cooks. There is also the electronic beeping sounds of the oven buttons being pressed to initiate cooking, and then pressed again to stop.
Some sounds from an external cd-dvd drive, such as inserting a disc, ejecting it, and some beeps from the drive. Edited in audacity to remove most of the background noise.
This is the noise the pedestrian scramble crossing lights make. They beep at intervals one seconds each. I recorded this at the scramble located at the intersection of university ave. And union st w. In queens' university.
Opening a cash register drawer. Beep then receipt printer spins up and the drawer slides out. Spring loaded clips flipped to take cash. Drawer slammed shut.