Develop Code
Bayani Gaba-gaba
Getting a program to run is only the first hurdle. A program that produces the right answer for one test case, crashes on the next, and is unreadable to anyone but the person who wrote it, is not finished. Developing code properly means writing it clearly, testing it deliberately, and knowing exactly how to read the error messages Python gives you when something goes wrong.
This lesson covers the whole development cycle examined on both papers: writing readable Python, telling syntax, runtime and logic errors apart, designing a proper test plan, using trace tables to hunt down a bug, and judging a finished program's strengths and weaknesses. Every example uses Python, one of the three languages, alongside C# and Java, permitted for the Paper 2 practical exam.
Manufura
- Be able to write programs in a high-level programming language
- Understand the benefit of producing programs that are easy to read and be able to use techniques (comments, descriptive names, indentation) to improve readability and to explain how the code works
- Be able to differentiate between types of error in programs (logic, syntax, runtime)
- Be able to design and use test plans and test data (normal, boundary, erroneous)
- Be able to interpret error messages and identify, locate and fix errors in a program
- Be able to determine what value a variable will hold at a given point in a program (trace table)
- Be able to determine the strengths and weaknesses of a program and suggest improvements
Taswirar tunani
An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.
Bude taswirar tunani a cikin manhaja
Katunan tunawa
Gwaji mai sauri kan abin da ake jarraba a wannan batu.
Yi atisayen wadannan katuna a cikin manhaja
Takardar Darasi
Cikakken Bayanin Darasi Yana Kan Manhajar Green Bridge
Sami manhajar Green Bridge CBT a wayarka ko kwamfutarka domin cikakken laburaren IGCSE: takardun jarrabawar baya, tsarin kimantawa, taswirar tunani, katunan karatu da darussan sauti.
Nazarin Darasi
Barka da kammala darasi akan Develop Code. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- Which type of error prevents a program from running at all? A) Logic error B) Runtime error C) Syntax error D) Boundary error Answer: C
- A program runs without crashing but consistently produces the wrong output. What type of error is this? A) Syntax error B) Runtime error C) Logic error D) Compilation error Answer: C
- Which category of test data checks the exact edge of a valid range? A) Normal data B) Boundary data C) Erroneous data D) Random data Answer: B
- A function tries to access index 10 of a list that only has 5 items. What type of error does this cause? A) Syntax error B) Runtime error C) Logic error D) No error, this is valid Answer: B
- Which of these is a readability technique that does NOT change what a program computes? A) Using descriptive variable names B) Adding a missing loop C) Changing the algorithm used D) Adding an extra test case Answer: A
Yi aikin wadannan tambayoyi a cikin manhaja
Yi aikin wadannan tambayoyi a cikin manhaja
Littattafan da ake ba da shawarar karantawa
Yi Aikin Tambayoyin Gwaji
Kana son yin aikin tambayoyin gwaji kan Develop Code? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.
Sauke Manhajar Daga Google Playstore
Duk abin da kake buƙata don yin fice a JAMB, WAEC & NECO.
