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Difference between revisions of "Computers 101"

From kemiko

(Created page with "* All computers are the same they use the same basic logic, storage etc. * Always make backups. Storage is cheap...so better to save too much than too little. * Many times th...")
 
 
(2 intermediate revisions by the same user not shown)
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* Always make backups.  Storage is cheap...so better to save too much than too little.
 
* Always make backups.  Storage is cheap...so better to save too much than too little.
 
* Many times the problem/solution is simple...don't over think it, but thought is good.
 
* Many times the problem/solution is simple...don't over think it, but thought is good.
* When accessing files/records without a sort (natural) they display as stored in the computer.  Usually by time at first, but becomes mixed as old files/records are deleted and new files/records are added.
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* When accessing files/records without a sort (natural) they display as stored on disk.  Usually by time at first, but becomes mixed as old files/records are deleted and new files/records are added.
* Remember that everything is ones and zeros to a computer.  So, letters and other data types are numbers.
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* Remember that everything is ones and zeros to a computer.  So, letters and other data types are still just numbers.
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* Always do a select before a delete with everything...file system, database, application, etc.
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* When working with databases always rename objects before dropping...
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*Remember a little change can have large effects!
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*Always separate the OS from data on the hard drive.

Latest revision as of 14:13, 2 December 2017

  • All computers are the same they use the same basic logic, storage etc.
  • Always make backups. Storage is cheap...so better to save too much than too little.
  • Many times the problem/solution is simple...don't over think it, but thought is good.
  • When accessing files/records without a sort (natural) they display as stored on disk. Usually by time at first, but becomes mixed as old files/records are deleted and new files/records are added.
  • Remember that everything is ones and zeros to a computer. So, letters and other data types are still just numbers.
  • Always do a select before a delete with everything...file system, database, application, etc.
  • When working with databases always rename objects before dropping...
  • Remember a little change can have large effects!
  • Always separate the OS from data on the hard drive.