Does anyone have a way/tricks in remembering how to do HEX conversions?
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Thank you everyone for your help with hex conversions.
Dale
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I usaully break things down to a nibble at a time if I'm doing binary to
hex. 4 bits is exactly 1 Hex digit. Then I make a little chart (stick this
chart in your wallet if you cant make it as fast as you can write)
Bin = Hex=Dec
=0=0
0001=1=1
0010=2=2
0011=3=3
0100=4=4
0101=5=5
011
Why don't you use the calculator of windows accesories?
-Mensaje original-
De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]En nombre de
Dale Frohman
Enviado el: Jueves 1 de Marzo de 2001 3:24 PM
Para: [EMAIL PROTECTED]
Asunto: HEX
Does anyone have a way/tricks in remembering how
Because you can't use it during an exam. Real life...OK, exam...NO.
-Original Message-
From: Nuria Canamares [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 02, 2001 6:27 AM
To: 'Dale Frohman'
Cc: [EMAIL PROTECTED]
Subject: RE: HEX
Why don't you use the calculator o
When I sat for the BCMSN, I spent a few minutes during the
background/preparation questions whipping up a quick hex chart for the
boundaries - 10, 20, 30, ... D0, E0, F0. I was very proud of myself until
the questions that needed hex conversion had a button at the bottom that
opened a full hex
exactly. I had a friend who told me there was some HEX conversions on the
BCMSN exam which i am scheduled to take in a couple of weeks.
On Fri, 2 Mar 2001, Barronton, Ken wrote:
> Because you can't use it during an exam. Real life...OK, exam...NO.
>
> -Original Message-
I don't seem to remember any HEX conversions...so if they were present they
must have been pretty simple.
At 07:26 AM 3/2/01, you wrote:
>exactly. I had a friend who told me there was some HEX conversions on the
>BCMSN exam which i am scheduled to take in a couple of weeks.
>
I never even knew the Windows Accessories calculator converted to hex! I
just do it manually. I have the following numbers and letters pretty much
memorized, so that helps.
10 = A
11 = B
12 = C
13 = D
14 = E
15 = F
16^0 = 1
16^1 = 16
16^2 = 256
16^3 = 4096
16^4 = 65536
Figure out where the
That Priscilla is a real jewel, eh? I think I'll add this formula to my
*must know* list.
The one tid-bit I might include, though not reputed to be 'test centric', is
to *memorize* (I say this as a member in good standing of the O)ld G)eezer's
C)lub) the binary numeric
>
> The one tid-bit I might include, though not reputed to be 'test centric', is
> to *memorize* (I say this as a member in good standing of the O)ld G)eezer's
> C)lub) the binary numeric for HEX digits. The 'weight' of the bits logic
> has helped me out
Hello all,
I am taking the switching2 exam on the 13th and am
having serious problems "getting" this process.
Does anyone know if there is a decent white paper out there.
I have seen the threads that showed tricks on how to get
a hex from a decimal but it really has not helped me to un
Does anyone know if there is a decimal to Hex conversion table on the BCMSN
test for the multicast IP to MAC address Translation.
TP
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Does anyone know where I can find a decimal to Hex conversion chart?
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Does anybody know the command to use on an interface to see bridge numbers
in hex instead of decimal?
Thanks,
Scott
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le to understand binary. Being able to think
binary makes CIDR/VLSM addressing much easier, and hex trivial --
just count off groups of 4 bits.
Octal, which used to be popular on DEC machines, was just plain weird
when you had to deal with multiples of 8 bits.
Message Posted at:
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No. But if you can go from decimal to binary, the step to hex is
rudimentary. Just divide each octet into two quartets and convert. For
example:
235 => 11101011 => 1110_1011 => 14_11 => E_B => EB
---JRE---
""Travis Parrill"" <[EMAIL PROTECTED]> wrote
you can also go from decimal to hex by dividing by 16 example given
235
235 / 16 = 14 with a remainder of 11
14 in hex is E
11 in hex is B
answer EB
Another example 149
168/16 = 10 with a remainder of 8
10 in hex is A
8 in hex is 8
answer A8 hex
To convert hex to decimal is just as
I would seriously doubt it, but I have not yet attended this exam.
If you practice a little, it is actually not that difficult nor
timeconsuming to do it on the plastic board you have to write on during the
examination.
I always divide the decimal by 16, to get the hi-hex, and the put the rest
; <[EMAIL PROTECTED]> wrote in message
00ee01c04ddc$bbf2cf90$[EMAIL PROTECTED]">news:00ee01c04ddc$bbf2cf90$[EMAIL PROTECTED]...
you can also go from decimal to hex by dividing by 16 example given
235
235 / 16 = 14 with a remainder of 11
14 in hex is E
11 in he
Yeah but you would still have to divide the 8 bit decimal up in two 4 bit
decimals before you can use your memorization, unless you want to memorize
all 256 combinations in decimal, hex and binary - and maybe octal's too :-)
Ole
Ole Drews J
I've found over the years that it a LOT of work to be truly lazy :->
Chuck
-Original Message-
From: Ole Drews Jensen [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 14, 2000 10:27 AM
To: 'Chuck Larrieu'; Jim Erickson; [EMAIL PROTECTED]
Subject: RE
you start the test. refer to it when
necessary.
-Original Message-From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Jim EricksonSent:
Tuesday, November 14, 2000 8:55 AMTo:
[EMAIL PROTECTED]Subject: Re: BCMSN Hex- IP to
MAC
Cool trick. Hadn't seen that one be
I actually have another method that might work better for some of you. After
having played with hex/bin numbers for almost 15 years, there are some
patterns and tricks that comes alive.
Designing sprites on my Commodore 64 and Amiga 2000 and new characters on my
PC, has filled my head with some
ea0$[EMAIL PROTECTED]">news:00b701c04e69$e5434ea0$[EMAIL PROTECTED]...
> I've found over the years that it a LOT of work to be truly lazy :->
>
> Chuck
>
> -Original Message-
> From: Ole Drews Jensen [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, November 14,
that is a very handy hint :). thanks
Regards,
Jason Baker
Network Engineer
MCSE, CCNA
-Original Message-
From: Ole Drews Jensen [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, November 15, 2000 6:05 AM
To: 'Chuck Larrieu'; Cisco Mail List; Ole Drews Jensen
Subject: RE: BCMSN
Yes, best one to use is the calculator on windows. In Scientific mode, type
in Hex or Decimal or binary or whatever and then click on the other, and
that's it
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~~~
NEED A JOB ???
http://www.oledrews.com/job
~~~
-Original Message-
From: Mckenzie Bill [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, March 12, 2002 6:49 AM
To: [EMAIL PROTECTED]
Subject: Decimal to Hex [7:37939]
Does anyone know where I can find a
If Cisco would let you use it on the exam, that would be great.
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It's really not that hard to convert back and forth between hex, dec and
binary once you learn how to do it. If you really need a convertion chart,
then sit down and draw it on the writing tablet you are handed before you
click start on the screen :-)
For Decimal number 255, I think it's a better idea to use binary as the
bridge between Decimal and Hex.
(It's more likely that these numbers seldom appear in the exam).
Brian
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Mckenzie Bill
Sen
Well, what I read was an easy way to convert binary to hex (so you have to
do dec to binary prior to that, which is also simple)...
Dec -> Bin
250 -> 1010(using that 256 128 64 32 16 8 4 2 1
converting scheme)
What you got to do is get the binary number and separ
o use binary as the
bridge between Decimal and Hex.
(It's more likely that these numbers seldom appear in the exam).
=
Brian
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Bingyue(Brian) Liu
Sent: H}TB
I give up. Please go to message board to check the information. Sorry for
the inconvenience!
Brian
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Bingyue(Brian) Liu
Sent: H}TB 12, 2002 11:34
To: [EMAIL PROTECTED]
Subject: RE: Decimal to Hex [7:37939
Hola!
> Powers 8421
> Bin
> --
> Sum 8+4+2+1 = 16
8+4+2+1=15 :-)
> So now instead of 16, we have F.
15=0xF, 16=0x10
> Concatenating the values you have 250 (dec) = 11111010 (bin) = FA (hex)
> I hope it
Gee, who is the guy who let this 8+4+2+1=16 go?! :) It's 15!! But it is
still F ;) Got a little carried away :)
Gracias Horacio!
- Original Message -
From: "Persio Pucci"
To:
Sent: Tuesday, March 12, 2002 12:03 PM
Subject: Re: Decimal to Hex [7:37939]
> Well, what
.
0xF12 is equal to (15x16^2)+(1x16^1)+(2x16^0), or
(15x256)+(1x16)+(2x1)=3858. It's all the same math, it's just a different
multiplier for Hex.
Kelly Cobean, CCNP,CCSA,ACSA,MCSE,MCP+I
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Ole Drews J
>
> I'm tired at the end of a long day, but the trick, if there
is one,
> is REALLY being able to understand binary. Being able to
think
> binary makes CIDR/VLSM addressing much easier, and hex
trivial --
> just count off groups of 4 bits.
>
> Octal, which use
On the Switching exam, are we provided a HEX conversion chart for reference?
thanks in advance
-Original Message-
From: Aaron Ajello [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 10, 2003 8:01 AM
To: [EMAIL PROTECTED]
Subject: RE: Switching Exam on Monday 13/1/03 [7:60785]
Spend a
Could someone help me get a clear understanding of converting the hex number
to a nice decimal ring number or bridge number.
Two examples that have me stumped are:
F00 and 2f2.
Thanks Everyone in advance.
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Hi colleagues,
I am about to take the BCMSN exam; I know that you are allowed to use a
calculator on the exam, but does this calculator also allow you to convert
decimals or binaries to hex ? I hope this question doesn't violate the
non-disclosure agreements...
Regards,
You must be wondering about doing conversions between Layer 3 and Layer 2
multicast addresses. Yes, a Hex conversion chart is provided on the exam.
And for the people worried about the NDA, this does not break it because it
is mentioned in several books.
Shawn K.
-Original Message-
From
Since I have taken the new exam twice, neither off the exam have any
callculations at all.
Thus I don't see any HEX conversion chart, but may be some people have
callculations in the exam.
-Original Message-
From: Bond, Jeffrey T [mailto:[EMAIL PROTECTED]]
Sent: 16 January 2003 00:
You should just learn how to convert decimal to hex...then you won't need a
chart.
--
Dain Deutschman
CCNA, CSS-1, MCP, CNA
Data Communications Manager
New Star Sales and Service, Inc.
800.261.0475
""Bond, Jeffrey T"" wrote in message
[EMAIL PROTECTED]">n
I do know how to convert Hex and Decimal frontward and backwards. I only
asked the question just to speed up the process, since time is of essence on
any Cisco test!!
-Original Message-
From: Dain Deutschman [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 16, 2003 3:54 PM
To: [EMAIL
the place values for base 16 numbering starting from right to left are 16^0,
16^1,16^2,16^3, etc. In case your wondering 16^1 means 16 to the power of 1,
or just 16. Like wise 16^3 = 16 * 16 * 16.
So if you hex value is 2f2, starting with the right most 2, (16^0 * 2)+
(16^1 * 15) + (16^2 * 2
Not sure what you mean, I just use a calculator
F00 = 3840
2F2 = 754
dave
Mckenzie Bill wrote:
>
> Could someone help me get a clear understanding of converting the hex
number
> to a nice decimal ring number or bridge number.
>
> Two examples that have me stumped are:
&
Hex is based on 16, where Dec is based on 10.
When you see a value, no matter if it's in dec, hex, bin, or something else,
think of each number as being number 0 (the right one), 1, 2, 3, and so on.
If you for instance have the decimal value 579:
Number 0 would be 9
Num
Bill,
Hex is equivalent to Base16 numbering. Decimal is really Base10
numbering. Let's look at an example of Base10 numbering broken down into
it's components, then we'll tackle your examples..
The decimal number 4243 drawn out in Base10 is as follows:
(4x10^3) + (2x10
Nice going, Ole!
Now, how about an easy way to convert decimal to hex without going through
binary (the way I learned)? :)
Persio
- Original Message -
From: "Ole Drews Jensen"
To:
Sent: Thursday, March 14, 2002 12:07 PM
Subject: RE: Hex to Decimal for the RD [7:38223]
All very good but an easier route is to configure the ring numbers in
hex; the router will give the decimal equivalents.
int tok 0
ring 16
source-bridge 0xf00 2 0x2f2
will appear as
int tok 0
ring 16
source-bridge 3840 2 754
Fred.
Kelly Cobean wrote:
>
> Bill,
>Hex is equi
Thanks,
Now you have to remember the DIV and MOD calculation you learned in school.
First, learn the values of each of the hex numbers.
If we take a max of four hex numbers (1 word, 2 bytes, 16 bits, etc.) you
have the following:
16^3 16^2 16^1 16^0
Doing a fast calculation gives
=54, r9
54/16= 3, r6
3/16= 0, r3
HTH,
Prof. Tom Lisa, CCAI
Community College of Southern Nevada
Cisco ATC/Regional Networking Academy
Persio Pucci wrote:
> Nice going, Ole!
>
> Now, how about an easy way to convert decimal to hex without going through
> binary (the w
At 09:01 AM 3/14/02, Mckenzie Bill wrote:
>Could someone help me get a clear understanding of converting the hex number
>to a nice decimal ring number or bridge number.
>
>Two examples that have me stumped are:
>
>F00 and 2f2.
Why would just those two numbers have you stumped?
Hi
I?m preparing to take the BCMSN switching exam for my CCNP and am wondering,
when deailing with Multicast MAC's, will I have to manually convert numbers
to Hex or will a ?cheat sheet? be provided w/ the test?
Thanks
Colin
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I haven't heard of any conversions being needed or asked BUT you should know
this very well and as soon as possible.
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I know how to convert the a multicast address to a MAC address but I have
been using a chart to convert from decimal to hex. Will I have to convert
decimal to Hex during the test?
Thanks
Colin
Message Posted at:
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I just took the exam, and it had a sheet that you could pop up with the Dec
to Hex conversions. I only had 2 questions like that, though.
--Derek
-Original Message-
From: colin newman [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 20, 2002 3:25 AM
To: [EMAIL PROTECTED]
Subject: RE
I had one question like that on mine, too... my guess-o-matic seemed to work
fine on that day :) Things would be different, nowadays...
Persio
- Original Message -
From: "Schmidt, Derek"
To:
Sent: Wednesday, March 20, 2002 12:03 PM
Subject: RE: convert numbers to Hex on CCN
i don't have a 3920 t/r switch on me, so i have to ask this question:
is it accurate to say that
1. the bridge id & ring # under the t/r interface on a router is in DECIMAL?
2. the bridge id & ring # under the t/r interface on a router is in HEX?
therefore,
if u want to assig
> i don't have a 3920 t/r switch on me, so i have to ask this question:
>
> is it accurate to say that
>
> 1. the bridge id & ring # under the t/r interface on a router is in
> DECIMAL?
>
> 2. the bridge id & ring # under the t/r interface on a router
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