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Giga, Terra, Exa?
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Important Acronyms
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Giga, Terra, Exa?
Prefixes
| 1024 |
yotta |
Y |
1 000 000 000 000 000 000 000 000 |
| 1021 |
zetta |
Z |
1 000 000 000 000 000 000 000 |
| 1018 |
exa |
E |
1 000 000 000 000 000 000 |
| 1015 |
peta |
P |
1 000 000 000 000 000 |
| 1012 |
tera |
T |
1 000 000 000 000 |
| 109 |
giga |
G |
1 000 000 000 |
| 106 |
mega |
M |
1 000 000 |
| 103 |
kilo |
k |
1 000 |
| 102 |
hecto |
h |
100 |
| 101 |
deka |
da |
10 |
| 100 |
|
|
1 |
| 10-1 |
deci |
d |
0.1 |
| 10-2 |
centi |
c |
0.01 |
| 10-3 |
milli |
m |
0.001 |
| 10-6 |
micro |
µ |
0.000 001 |
| 10-9 |
nano |
n |
0.000 000 001 |
| 10-12 |
pico |
p |
0.000 000 000 001 |
| 10-15 |
femto |
f |
0.000 000 000 000 001 |
| 10-18 |
atto |
a |
0.000 000 000 000 000 001 |
| 10-21 |
zepto |
z |
0.000 000 000 000 000 000 001 |
| 10-24 |
yocto |
y |
0.000 000 000 000 000 000 000 001 |
Bytes
| Yotta |
YB |
280 |
~1024 |
1 208 925 819 614 629 174 706 176 |
| Zetta |
ZB |
270 |
~1021 |
1 180 591 620 717 411 303 424 |
| Exa |
EB |
260 |
~1018 |
1 152 921 504 606 846 976 |
| Peta |
PB |
250 |
~1015 |
1 125 899 906 842 624 |
| Tera |
TB |
240 |
~1012 |
1 099 511 627 776 |
| Giga |
GB |
230 |
~109 |
1 073 741 824 |
| Mega |
MB |
220 |
~106 |
1 048 576 |
| Kilo |
KB |
210 |
~103 |
1 024 |
Phonetic Alphabets
The NATO phonetic alphabet:
Alpha Bravo Charlie Delta Echo Foxtrot Golf Hotel India Juliet Kilo Lima Mike
November Oscar Papa Quebec Romeo Sierra Tango Uniform Victor Whiskey Xray Yankee Zulu
(This alphabet dates from about 1955 and is approved by the International Civil Aviation
Organization, the FAA and the International Telecommunication Union)
Used by police in New York City:
Adam Boy Charlie David Edward Frank George Henry Ida John King Lincoln Mary Nora Ocean
Peter Queen Robert Sam Tom Union Victor William X-ray Young Zebra
French Berlitz phrase book:
Anatole Berthe Ce'sar De'sire' Emile Franc,ois Gaston Henri Isidore Jean Kle'ber
Louis Marie Nicolas Oscar Paul Que'bec Robert Suzanne The'odore Ursule Victor William
Xavier Yvonne Zoe
German official alphabet for emergency services:
Anton Berta Caesar Dora Emil Friedrich Gustav Heinrich Ida Julius Karl Ludwig Martha
Nordpol Otto Paula Quelle Richard Siegfried Theodor Ulrich Viktor Wilhelm Xanthippe
Ypsilon Zeppelin Ärger Charlotte Ökonom Schule Übermut
Spanish Berlitz phrase book:
Antonio Barcelona Carmen Chocolate Dolores Enrique Francia Gerona Historia Ine's
Jose' Kilo Lorenzo Llobregat Madrid Navarra N~on~o Oviedo Pari's Querido Ramo'n Sa'bado
Tarragona Ulises Valencia Washington Xiquena Yegua Zaragoza
Portuguese Berlitz phrase book:
Aveiro Braga Coimbra Dafundo E'vora Faro Guarda Horta Ita'lia Jose' Kodak Lisboa
Maria Nazare' Ovar Porto Queluz Rossio Setu'bal Tavira Unidade Vidago Waldemar Xavier York
Zulmira
Italian Berlitz phrase book:
Ancona Bari Catania Domodossola Empoli Firenze Genova Hotel Imperia i_lunga kappa
Livorno Milano Napoli Otranto Palermo cu Roma Sassari Torino Udine Venezia v_doppia ix
i_greca zeta
(Source: sci.lang newsgroup, Phonetic alphabets, November 2002)
Morse Code Table
| A |
.- |
N |
-. |
1 |
.---- |
. |
.-.-.- |
| B |
-... |
O |
--- |
2 |
..--- |
, |
--..-- |
| C |
-.-. |
P |
.--. |
3 |
...-- |
? |
..--.. |
| D |
-.. |
Q |
--.- |
4 |
....- |
( |
-.--. |
| E |
. |
R |
.-. |
5 |
..... |
) |
-.--.- |
| F |
..-. |
S |
... |
6 |
-.... |
- |
-....- |
| G |
--. |
T |
- |
7 |
--... |
" |
.-..-. |
| H |
.... |
U |
..- |
8 |
---.. |
_ |
..--.- |
| I |
.. |
V |
...- |
9 |
----. |
' |
.----. |
| J |
.--- |
W |
.-- |
0 |
----- |
: |
---... |
| K |
-.- |
X |
-..- |
/ |
-..-. |
; |
-.-.-. |
| L |
.-.. |
Y |
-.-- |
+ |
.-.-. |
$ |
...-..- |
| M |
-- |
Z |
--.. |
= |
-...- |
|
|
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