Dust is the main enemy for computer Hardware.
It acts as an insulator and when it gets accumulated on the heat sinks and fans, prevents the heat from getting dissipated into the atmosphere.
So dust comes in the way of smooth functioning of hardware.
P4 1.6GHZ Willamette core 400MHZ FSB 256KB L2 cache
Intel 845WN Mobo
Nvidia Riva Tnt2 M64 G-card
40GB Seagate 5400rpm HDD
15 LG Studioworks563N
Creative Inspire2400 2.1 speakers
16x DVD ROM
52x Samsung CD Burner