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# a few questions i need help with

### #1 barry08 Posted 19 October 2008 - 05:58 AM

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ok first off i posted this last night and got a reply saying 'looks like homework' n it was closed,, im freakin 26 i dont even study or have homework,,i was looking up 'computing ' and i saw these test things and these 1's were driving me crazy and i wont be happy till ive found out the answers for these now haha,im 1 of these people who need to know the answers to things he see's

1.Bandwidth is measured in _____ or expressed in ____ [choose m, Hz, s, or bps]

2.A typical broadband connection has a bandwidth of _____ and is expressed in units of _______ [choose 100, 1000, Gbps, Mbps, bps]

3.If the sampling rate of an 8-bit PCM system is 8000 samples per second then what channel capacity is required to send it?

4.An E1 channel has a channel capacity of 2.048 Mbps. How many PCM channels can it carry?

5. i uploaded a page with encoding schemes attachment the question for this is....
(a) Write down the binary representation of signal (i)
(b) Write down the binary representation of signal (ii)

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### #2 sari Posted 19 October 2008 - 10:57 AM

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Age has irrelevant when it comes to homework - I was in my 30s when I got my Master's degree (and had questions like this). If you want to know that badly, wouldn't you get more out of it by trying to research and figure it out on your own, rather than relying on people to tell you? We usually only see desperation like that when someone needs answers for homework, by the way.
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### #3 hfcg Posted 19 October 2008 - 09:39 PM

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Looks like you are going through the Cisco Acadamy.
I recognise the questions.
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J-H

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### #5 dsenette Posted 20 October 2008 - 03:18 PM

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1.Bandwidth is measured in _____ or expressed in ____ [choose m, Hz, s, or bps]

2.A typical broadband connection has a bandwidth of _____ and is expressed in units of _______ [choose 100, 1000, Gbps, Mbps, bps]

given the answer to number 1 this one should be pretty easy as well

3.If the sampling rate of an 8-bit PCM system is 8000 samples per second then what channel capacity is required to send it?

4.An E1 channel has a channel capacity of 2.048 Mbps. How many PCM channels can it carry?

google again to the rescue (little help? an E1 is an ISDN line)

5. i uploaded a page with encoding schemes attachment the question for this is....
(a) Write down the binary representation of signal (i)
(b) Write down the binary representation of signal (ii)

that one i've got no clue other than knowing that the protocols are that they're talking about
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### #6 hfcg Posted 20 October 2008 - 03:48 PM

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O.K.
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### #7 ScHwErV Posted 21 October 2008 - 07:06 AM

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And closed again. If your thread is closed, it's closed for a reason. Don't reopen a new one thinking that it will be ok. Last warning.
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