How many contacts can i stored in iphone4s?because I lost old contacts when I add in new contact.

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With 16GB, how many songs can be stored in the IPAD mini?

My IPad mini has 16GB, how many songs can be stored?

thank you both very much for your quick response to my question, when i purchased the IPad, they told me at Verizon that about 2000 songs could be stored in the 16GB, not that I plan on having that many songs downloaded. Again thank you both very much, I appreciale the help.

I plan to buy the new iPod Touch 8 gig. How many songs can be stored on it

I plan to buy the new iPod Touch 8 gig. How many songs can be stored on it

up to 1,750, songs in 128-Kbps AAC format
But it depends upon the length.
http://support.apple.com/kb/SP3

Is there a limit to how many photos can be stored on an iPad using version 5.1.1?

I am having a devil of a time syncing my wife's original iPad with iTunes. I believe that there is a limit to how many photos can be stored on the iPad. It has 20GB of empty storage space, so it's not a space issue.
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First, thanks so much for taking the time to respond.
Let me be a little more specific in describing my problems.
I have about 8,000 images in iPhoto on an older iMac. All of the iPhoto functions appear to work correctly.
I have created about 50 albums in iPhoto, and about 20 of these are of interest to my wife, so she'd like to copy them to her early iPad.
ITunes shows the albums correctly when I select what I want to sync to her iPad. In other words, iTunes correctly represents what is in iPhoto. 1:1 correspondence in albums.
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Password manager how many passwords can be stored

How many passwords can be stored with this tool?

There shouldn't be any limit about how many passwords you can store in the Firefox password manager.
Do you have a problem with passwords in general or with storing many passwords for one website?
Make sure that you not run Firefox in (permanent) [[Private Browsing]] mode.<br />
Firefox won't offer to store or change passwords while you are in Private Browsing mode.
See also http://kb.mozillazine.org/Password_Manager#Troubleshooting

How many backups can be stored through my iTunes?

I'm looking for previous backups but they are not to be found any where on my computer. How many bankups does iTunes hold before they get over written?

Authorization applies to Computers... Not iDevices... iPhone / iPad / iPod Touch.
You can have upto 5 computers Authorized at any one time.
Authorise / Deauthorise About
http://support.apple.com/kb/HT1420

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'''If this reply solves your problem, please click "Solved It" next to this reply when <u>signed-in</u> to the forum.'''

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OT

How many contacts can the iPhone hold....now?

This question was asked back in 2008 and has been archived, however I'd like to revisit this issue.
What I'd like to know, is this:
How many contacts can the iPhone hold before it effects performance?
I have a iPhone user with an MS Exchange email account on the phone, Calendar and Contact sync is turned on. The problem is, the user has 10,000 contacts.
The contacts synchronized to the iphone, however, when writing emails or doing any task that accesses the contacts database (i.e. auto-completion of names), There is a good 35 to 40 second lag before you can enter the second letter of a name on the keyboard. I can only assume that this is due to the pure insanity of having 10,000 contacts on a mobile device... The search takes too long. Although it did work just fine on the blackberry (a lessor device ).
Can anyone tell me if there is a limit on how many contacts one can successfully store on an iPhone without running into the "lag" issue?
Thanks in advance.
Nigle

What is the overall size of all these songs?
This will determine how many songs the iPhone can hold.
The actual capacity of an 8GB iPhone is around 7.3 GB - OS X alone takes up approximately 500MB.
You should leave some free space available on the iPhone for general operating purposes and if you access any email accounts and for Safari cache purposes, etc.
So you have around 7GB available - as long as the overall size of all 9400 songs isn't greater than 7GB or so, you are covered.

HT2486 How can I tell how many contacts in my address book?

Hiow can I tell how many contacts I have in my iMac address book? I'm consolidating contacts.
Thanks

Go to the very end of your address book. A to Z.
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HT2589 No matter how many times I've reset my iphone4 and reentered my account information I can't assess my music in iTunes Match or purchase or update any apps or music. How can I fix this. On enabled devices iTunes on my computer shows my iPhone with ?

I can't access iTunes Match or make any Music or app purchases or updates after updating to iOS 6. No matter how many times I've reset my iphone4 and reentered my account information I can't assess my music in iTunes Match or purchase or update any apps or music. How can I fix this. On enabled devices iTunes on my computer shows my iPhone with ? marks.

This may help.
Fix for “No Content” on iPhone & iPod after iOS 4.2.1 update
The try the standar fixes:
- Reset. Nothing will be lost.
Reset iPod touch: Press and hold the On/Off Sleep/Wake button and the Home
button at the same time for at least ten seconds, until the Apple logo appears.
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How many users can you have on one account ?

Hi,
I have just created a ID with Adobe Reader for a group to use files stored in cloud. I would like to know how many users can access the account at one time via, mobile devices, ipad, desktops ?

I don't know if there is a limit; you do mean the free https://cloud.acrobat.com/ ?
I will move your post to the Acrobat.com forum, where someone hopefully can give you a definitive answer.

I'm a school tech coordinator. Many computers and many iPads. How many Apple IDs can I have per device, and how many devices can have the same Apple ID? To make my life easier, I'd like 200 devices to all use the same Apple ID.

I'm a school tech coordinator. I have many computers and many iPads. I apologize if there is a some place that has all the rules governing the use of Apple IDs. I looked, and I even tried to get the answers from multiple Apple rep's. I couldn't find the answers.
How many Apple IDs can I have per device?
I want to use the same computer to sync and backup many iOS devices. The iOS devices would be associated with different Apple IDs.
I may load apps under a school Apple ID and have users load their own apps under thier own ID.
How many devices can have the same Apple ID?
Can I use the same Apple ID on all the computers in a lab?
Can I use the same Apple ID on all iPads for a particular grade level?
Are the rules different for iOS devices and computers?
I know that there are limits on "authorize" and "de-authorize" and how frequently those things can be done.
Recently I heard that for the life of an iOS device, it can only be associated with five Apple IDs. That is not good for a school giving iPads to students in a 1:1
To make my life easier, I'd like 200 devices to all use the same Apple ID.

iTunes Store Support
http://www.apple.com/emea/support/itunes/contact.html
It would be best to address your questions there, especially since this is a public forum, and over there you could post more private issues with this set-up. Not to mention, getting more official answers.

How many tasks can I have in NI-DAQmx system?

I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
I am designing a new test platform that will run on C# (because we like object oriented text based programming and because the IDE is free). For hardware we'll use your PXI modules (because your hardware is ultra-reliable). I'm starting with the following PXI modules 6259, 4072, 6509, 2575, and 2569, but we made add other modules later as future requirements demand. I am doing the system software architecture now. I've done some dabbling with Ni_daqmx, and I loathe "tasks" and "channels", but am determined to make them work.
The difficulty I'm having revolves around the overhead with setting up tasks and channels and with the concept of tasks and channels. Help hasn't helped much. Tasks seem to work great if you intend to always collect the same large amount of data from many sources and always will do it in exactly the same way.
We want something much more akin to random access memory. We'll have UUTs of different kinds coming on and off at random times. Sometimes a test will need a simple DC voltage, and other times another test will need 2 seconds worth of data at 1MS/s. It can cost around 150msec to make that change (stop the current task, creat another one, configure anohter channel, start up a new task, blah, blah, task this, channle that - for the life of me I can't understand what this damn taks concept does for me but make matters more complicated and bog down my system).
I can just barely glean from the help that I can have only one analog input task at once, but I can have sevferal taks of several different kinds running at the same time ( a digital output task and another task for digital input, and another task for analong input, etc.) . It does seem that I can set realys without having to put them into a channel and a task (Thank goodness for that - I just wanna turn on a relay I have no idea what a relay "channel" might be.)
In the PXI system I described above I'll have two devices that are analog input devices, the DMM and the Daq. Even with two devices, can I only have one analog input task running? Does that mean I've got to waste 150msec just to switch from the DMM to the Daq? (Do you understand my frustration with "tasks"? - I should be able to say "read DMM" and turn around and say "read Daq channel 0" without having to jump thru task and channle hoops and waste a bunch of time doing it).
I'll also have Daq digital IO and two 6509 digital io modules. Do I have to cram all of that into some "task" concept too? The Daq card has got many other kinds of wonderful capability (frequency measurement, counters, analog output). How many tasks can I have for that stuff? On the DMM card I can measure capacitance amoung other things. Will I have a capacitance task? The idea of a "capacitance task" hurts my head.
Golly I hate tasks. Please help.
I am working out of the office this week - please send your response to [email protected] as well as my normal email [email protected].
Dave

Dave,
Thanks for posting to the NI Forums.
For the good of the community we like to keep conversations that start of the forums on the forums rather than moving to email. If you want to move to email support I recommend contacting NI through the email route.
I will answer your questions here. If you need more direct contact please feel free to contact us through [email protected].
For some the concept of tasks may seem daunting, however, for many applications it makes life a lot more simple. A task at a very fundamental level is simply a collection of channels with a single type (AI, DI, DO, etc.) and a single timing configuration (sampling rate, continuous vs. finite, etc.). It is a way to organize configuration data.
The concept of a task is an abstraction like OO programming. Like OO programming it may take some time to understand but can be a time saver in the end. Also like OO programming it does add some initial programming overhead. It is much more simple to simply type a printf statement in C than to have to create a bunch of classes just to output text to the screen. You can accomplish the same thing not using OO programming, but in the end OO programming is extremely useful, because it groups useful information and methods together in one place.
With very simple applications OO programming sometimes does not make sense. But as a program gets more and more complex OO programming becomes more and more useful. It takes some learning but it is worth it.
I believe the concept of a task does the same thing. It does not change the actual functionality of the device or add excessive overhead. It is just an abstraction that pulls configuration data about a specific "task" and methods the task can perform into a single logical place.
Unlike the entirely abstract concept of an Object, a Task is run on a physical device and therefore has physical limitations. You can create multiple tasks of the same type, but you can only run a one timed task of each type on a single board at a time. In other words you can have multiple AI tasks running at the same time but they need to run on different boards or only one can be timed (have a rate). You can also have multiple timed AI tasks configured for a single board but only one can actually be running at a time.
The reason you can only have a single timed task running at a time is because the M-Series boards (and many other boards as well) have a single timing engine for each type of acquisition or generation. There is a single timing engine for AI, one for AO, and so forth. You cannot have channel 1 running at 1 MS/s and another running at 50 kS/s.
However, tasks can exist even when they are not being actively run. You can create all the tasks you need at the beginning of your program and simply start and stop them as you need. After the task is stopped you do not need to clear the task until the end of your program. You can further increase performance by moving the Task into the latest state possible without actually starting the task. This can be done by calling myTask.Control(TaskAction.Action). The Task states are further explained in the NI-DAQmx Help Manual.
The concept of a task will need to be used with any device that is being programmed using NI-DAQmx. The 6259 and 6509 will need to be programmed using DAQmx. With the 2575 and 2569 you have the choice of either using the NI-DAQmx API or the NI-SWITCH API. The SWITCH API does not use the concept of tasks. For the 4072 you will need to use the NI-DMM API. This API also does not use the concept of tasks.
Hopefully this information is helpful. Let me know if you have any additional questions or concerns.
Regards,
Neil S.
Applications Engineer
National Instruments

How many contacts can i stored in iphone4s?because I lost old contacts when I add in new contact.

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