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computer execute them many times.
After a program has been coded, it must be tested by structured walkthrough
(formal review of a programmer's work by other programmers), desk checking
(programmer proofreads a printout of the program), translation attempt, and
sample data test. Testing is done to weed out syntax errors, caused by
typographical mistakes and incorrect use of the programming language, and
logic errors, caused by incorrect use of control structures (sequencing,
selection, iteration).
Program documentation should be done throughout the five steps of
program development. User documentation, technical documentation, and
operator's instructions provide guidance for all those who must use, maintain,
and modify the program.
B
E SURE THAT YOU UNDERSTAND THE MEANING OF THE KEY
TERMS
:
algorithm
American National Standards Institute (ANSI)
applications generator
decision support system
financial planning language
hierarchy plus input-process-output (HIPO)
International Standards Organization (ISO)
iteration
loop
natural language
(non)procedural language
program flowchart
pseudocode
query language
RPG (Report Program Generator)
sequence control structure
top-down design
EXERCISES
1. Match the following words with their synonyms marked in the text with bold
type:
sentences, makes it possible for, means, scope, natural language, created,
designated, financed, industrially available.
computer execute them many times.
After a program has been coded, it must be tested by structured walkthrough
(formal review of a programmer's work by other programmers), desk checking
(programmer proofreads a printout of the program), translation attempt, and
sample data test. Testing is done to weed out syntax errors, caused by
typographical mistakes and incorrect use of the programming language, and
logic errors, caused by incorrect use of control structures (sequencing,
selection, iteration).
Program documentation should be done throughout the five steps of
program development. User documentation, technical documentation, and
operator's instructions provide guidance for all those who must use, maintain,
and modify the program.
BE SURE THAT YOU UNDERSTAND THE MEANING OF THE KEY
TERMS:
algorithm
American National Standards Institute (ANSI)
applications generator
decision support system
financial planning language
hierarchy plus input-process-output (HIPO)
International Standards Organization (ISO)
iteration
loop
natural language
(non)procedural language
program flowchart
pseudocode
query language
RPG (Report Program Generator)
sequence control structure
top-down design
EXERCISES
1. Match the following words with their synonyms marked in the text with bold
type:
sentences, makes it possible for, means, scope, natural language, created,
designated, financed, industrially available.
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