My keyboard has a lag on the first keystroke and then catches up

I am running the latest Mavericks on my MacBook Pro which I purchased less than a year ago. 
Now whenever I bring up a screen or try to change input fields, the keyboard is lags behind the rest of the machine, including mouse.
This is aggravating but recent.
Any suggestions?
Paul

I would first try resetting PRAM
http://support.apple.com/kb/ht1379

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    I didn't really have time to dig in and understand your program in depth,
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    - If you flowchart the design (very similar to a dataflow diagram, keep in
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    "nelsons" wrote in message
    news:[email protected]...
    > how do I create a 1d array that takes a single calculation and insert
    > the result into the first row and then the next calculation the next
    > time the loop passes that point and puts the results in thsecond row
    > and so on until the loop is exited.
    >
    > The attached file is work inprogress, with some dummy data sp that I
    > can test it out without having to connect to equipment.
    > The second tab is the one that I am having the problem with. the
    > output array from the replace element appears to be starting at the
    > index position of 1 rather than 0 but that is ok it is still show that
    > the new data is placed in incrementing element locations. However the
    > main array that I am trying to build that is suppose to take each new
    > calculation and place it in the next index(row) does not appear to be
    > working or at least I am not getting any indication on the inidcator.
    >
    > Basically what I am attempting to do is is gather some pulses from
    > adevice for a minute, place the results for a calculation, so that it
    > displays then do the same again the next minute, but put these result
    > in the next row and so on until the specifiied time has expired and
    > the loop exits. I need to have all results displayed and keep building
    > the array(display until, the end of the test)Eventually I will have to
    > include a min max section that displays the min and max values
    > calculated, but that should be easy with the min max function.Actually
    > I thought this should have been easy but, I gues I can not see the
    > forest through the trees. Can any one help to slear this up for me.

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