Karteikarten
Ohne Titel
Karten in diesem Stapel (18)
- 1selectiona condition is used to determine with of the statement (if any) will be executed as a result some instructions may not be executed
- 2sequenceall instructions are executed once in the order they appear
- 3iterationrepetition of a group of instructions until a certain condition is met
- 4constantsomething that cant be changed while a program is running
- 5variablean identifier in memory, used to store data which can be changed while a program is running
- 6W.I.M.P(GUI)-
(W)indows
(I)cons
(M)enus
(P)ointer - 7serial filedata stored in chronological order.new data added to end of file, need to read each line to find data you are searching for(time consuming)
- 8sequential filerecords stored according to a key field.allows data to be displayed in correct order which can make searching easier
- 9index sequential filerecords arranged in order of primary key, an index is kept which is used to jump groups of records. accessing specific records is made faster.
- 10nestingwhen a construct is written within another. e.g. an if statement within an if statement
- 11procedurea subroutine/selection of code which is given to an identifier. it can be called from the main program or another procedure
- 12statementa single instruction which can be executed
- 13functiona subroutine which can return a single value so it can be used within expressions
- 14recursionwhen a subroutine calls itself
- 15for next loopnumber of iterations is fixed according to the start and end values of the variable set at the beginning
- 16while loop (condition controlled)the condition is tested before each iteration, the statements in the loop will be executed if the condition is true. may not be executed if condition is false.
- 17repeat untilcondition is tested after each iteration, statements will be executed at least once
- 18parametera variable which holds an item of data which is supplied to a procedure. given an identifier when the subroutine is defined
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- Beschreibung
- Karteikarten am Ohne Titel, erstellt von usman shah am 23/03/2015.
- Erstellt von
- usman shah
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