[Toc][Index]

Glossary - O


4 A B C D E F G H I K L M N P R S T U V W X 

Operating System:  A collection of software which loads when the computer 
is started, provides services to other software, and ensures that programs 
don't interfere with each other while they are running. 
Option:  See Switch. 
OR:  A logical combination of two true or false conditions.  If both 
conditions are false the result is false; if either condition is true the 
result is true. 
Overstrike Mode:  When editing text, a mode in which newly typed 
characters overwrite existing characters on the line, rather than being 
inserted into the line at the cursor position.  See also Insert Mode. 

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