Match each item with a statement below.

A. An industry-accepted standard for serial communications
B. An area where data can be stored and retrieved
C. A connector on a system board used to insert an adapter card
D. The main circuit board that contains a PC's primary components
E. The set of hardware lines used to transfer data among the components of a PC
F. Semiconductor memory that can be read or written by the microprocessor or other devices
G. Circuit card that is plugged into a PC's bus to add extra functions
H. A semiconductor circuit in which data is permanently installed by the manufacturer
I. Central processing unit (CPU) on a single chip
J.

A. RS-232
B. memory
C. PCI slot
D. system board
E. bus
F. RAM
G. expansion card
H. ROM
I. firmware
J. microprocessor