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Logic Chapter 5

Chapter 5

There are 3 different was in which a set of instructions can be repeated and each way is determined by where the decision to repeat is placed. They are: Leading Decision (Beginning), Trailing Decision (End) and Counted (# of times).
DOWHILE is which type of loop? Leading Decision
When designing a DOWHILE loop there are two important things to remember: Because it is a leading decision loop, some processing is required before the condition can be tested (values set to zero) and the condition must at some point be set to false, otherwise the loop is endless.
When there are an unknown number of items or loops to be processed how can data be controlled? Trailer record or Sentinel
What is an EOF End of file marker
A read statement immediately prior to a DOWHILE clause is known as a: Priming Read
REPEAT...UNTIL structure differs fundamentally with the DOWHILE structure in where the 'blank' is tested. Condition
REPEAT...UNTIL structure will always be executed... At least once
There is no need for a 'blank' in a REPEAT...UNTIL structure. Priming read
The simple keyword for a counted loop is: DO
Created by: lapetti