Stronger Delphi foundations.
5 free units in this chapter
Structured programming builds every program from three control structures: sequence, selection and iteration. Grade 11 combines and nests them for real problems.
About 3 minAn array stores many related values under one name, accessed by an index. Loops process arrays to search, total, count and sort.
About 4 minStrings hold text. Delphi's string functions let you validate, search and transform input — essential for exam questions and real programs.
About 3 minProcedures and functions break a program into named, reusable blocks — the essence of modular, maintainable code.
About 4 minGood practical marks come from planning AND testing. Apply IPO and trace tables to design, then test deliberately with well-chosen data.
About 4 min