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- Glossary
COM Port
Abbreviation for communication port. This is your serial interface connection.
Command
An instruction which you give your operating system. Example: run a particular application or format a
floppy disk.
Configuration
The combination of hardware and software that makes up your system and how it is allocated for use.
CRT
Cathode Ray Tube. A display device which uses a beam of electronic particles striking a luminescent
screen. It produces a visual image by varying the position and intensity of the beam.
Data
The information a system stores and processes.
DC
Direct current. A voltage or current that does not fluctuate periodically with time.
Default Value
A pre-programmed value to be used if you fail to set your own.
DHCP
Dynamic Host Configuration Protocol. A protocol used to automatically acquire parameters required for
the communication, such as IP address. The sender of IP address is called a DHCP server, and the receiver
is called a DHCP client.
DIMM
Dual-in-line memory module.
Disk Drive
The hardware which spins the disk and has the heads and control circuitry for reading and writing the data
on the disk.
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