Actions

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...")
 
Line 2: Line 2:
 
* 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.
+
* 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.
+
* 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...

Revision as of 10:48, 1 April 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...