The term PC Component refers to the components that make up a personal computer. These components include ROM (Read-Only Memory), CPU (Central Processing Unit), CRT (Cathode Ray Tube), CDROM (Compact Disc Read-Only Memory) and CDDRIVE (Compact Disc Drive). ROM is a type of memory that stores data permanently, CPU is the main processor of the computer, CRT is a type of display device, CDROM is an optical disc drive used to read data from a CD, and CDDRIVE is an optical disc drive used to write data onto a CD.