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SECTION 3
ESD
Electro-Static Discharge. The sudden discharge of electricity form a static charge which has built-up
slowly. Example: the shock you get from a doorknob on a dry day or the sparks you get form brushing
hair on a dry day.
Extended Memory
All memory more than the 640KB recognized by MS-DOS as system memory.
FCC
Federal Communication Commission.
Floppy Disk
A spinning platter of magnetic data storage media which is highly flexible.
GB
Gigabyte.
Hard drive
A spinning platter of magnetic data storage media where the platter is very stiff.
Hexadecimal
A decimal notation for the value of a 4 bit binary number. (0-9, A, B, C, D, E, F) Example: 2F in
hexadecimal = 00101111 = 47 in decimal.
IEEE 802.11b
The U.S. IEEE (Institute of Electrical and Electronic Engineers) promotes standardization of LAN,
and its standards committee (IEEE 802.11) has promoted 1-Mbps and 2-Mbps wireless LAN. Currently,
another standards committee (IEEE 802.11b) is working for standardization of the faster 11-Mbps
wireless Lan.
Infrastructure
A name of a wireless LAN configuration. This type of communication uses an access point.
Another type of communication is called AdHoc.
IP Address
An address used for computers to communicate in the TCP/IP environment.
Current IPv4 (version 4) uses four values in the range between 1 and 255. (Example: 192.168.100.123).
There are two types of IP address: global address and private address.
The global address is an only address in the world.
A private address is an only address in theclosed network.
I/O
Input/Output. Data entering and leaving your notebook in electronic form.
I/O Port
The connector and associated control circuits for data entering and leaving your notebook in electronic
form.
Clove Sec 3 (111-125)
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