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19 Cards in this Set
- Front
- Back
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programming instructions
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compile,
run, debug(user screen) debug(add watch) run(trace) |
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syntax
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grammar
(valid combination of lexicons) |
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operator
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subset of special characters
- + * |
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semantic
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meaning
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assignment statement
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identifier:= expression
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programming flow chart
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PROGRAM
| compile | COMPILER--->ERROR---syntax,lexicon,---semantic | create | .EXE FILE | run |
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readln statement
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readln(identifier)
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lexicons
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keywords, identifiers, strings, integer constants, special characters, comments
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expression
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combination of integer constants, identifiers, operators, and parentheses
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programming
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sequential executions
data/input output declare decision iteration/repeat loop |
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variable
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a cell in the computer's memory and is capable of holding an integer
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string
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combination of any characters using any symbol, letter or digit on the keyboard but must be surrounded by single quotes
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program form
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program identifier;
var identifier-list:integer; begin statement-list end. |
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identifiers
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cannot be keywords, can be any combination of letter(s) and/or digits, must start w/a letter
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writeln statement
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writeln(item1, item2, item3, ...)
items can be string or identifier |
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integer constant
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must be counting numbers w/zero and negative numbers
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special characteristics
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characters that have its own meaning like . , ; : = < > <> <= >= := ( ) + - * /
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keywords
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preserved words, own purpose
exs: WRITELN READLN PROGRAM VAR INTEGER REAL BEGIN END DO IF THEN ELSE WHILE |
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comment
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similar to a string surrounded by curly braces {} w/any character
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