2.5. Getting an A+
In this chapter, you find out about different types of input devices. The following list outlines some of the key points to remember for the exam:
Keyboards usually connect to the system with a PS/2 connection or a USB connection with today's systems.
Older keyboards use a DIN-5 to connect to the motherboard.
Most mice today connect to the system via a USB port or a PS/2 port.
A serial mouse connects to the serial port, but this type of mouse isn't very common anymore.
Modems are used to convert digital signals to analog and vice versa so that digital data can be delivered over an analog line.
Network cards are the most popular type of communication device in today's systems. Be sure to review the networking chapters to fully understand how to network a system.
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