A 1.44 FD Floppy Drive is typical and necessary. Plug N Play is a good sound card. Make sure that any other brand is SB compatible. They are the standard in computer sound. ATI is the brand of Video card, this one has 2 MB of memory.
Higher memory enables greater amounts of color at higher resolutions.
Consider this the minimum amount for most users. For communications a 33.6 comes with this unit typical of today's machines. Of course you need speakers a mouse and a keyboard. The 104 keyboard has functions keys specific to Win 95. Monitors should have a DP Dot Pitch of no more than .28.