4.4. Getting an A+
This chapter provides an overview of the major components found in a computer system, including
System boards, which contain most of the computer circuitry
Power supply, which converts a building's AC to usable DC for the computer
Processor/CPU, which efficiently executes instructions for the OS
Memory, which holds working data and application code
Storage devices, which are long-term or short-term storage areas
Monitor, which displays data from the computer
Modem, which communicates with other devices
Firmware, which is a cross-breed between hardware and software
BIOS, which are low-level internal communication routines
CMOS, which is a storage area for configuration settings
Ports, which are used as connection points for other devices
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