{"id":1968,"date":"2018-05-24T11:15:08","date_gmt":"2018-05-24T11:15:08","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/?page_id=1968"},"modified":"2018-09-20T19:10:12","modified_gmt":"2018-09-20T18:10:12","slug":"software-design-and-development","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/higher\/software-design-and-development\/","title":{"rendered":"Software Design and Development"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n
\n

Topic<\/h2>\n<\/td>\n

\n

Software Design and Development (SDD) – Higher (v2.1)<\/h2>\n<\/td>\n<\/tr>\n<\/thead>\n

\n

Development methodologies<\/h3>\n<\/td>\n

Describe and compare the development methodologies:<\/p>\n
    \n
  • iterative development process<\/li>\n
  • agile methodologies<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n

Analysis<\/h3>\n<\/td>\n

Identify the:<\/p>\n
    \n
  • purpose<\/li>\n
  • scope<\/li>\n
  • boundaries<\/li>\n
  • functional requirements<\/li>\n<\/ul>\n

    of a problem that relates to the design and implementation at this level, in terms of:<\/p>\n

      \n
    • inputs<\/li>\n
    • processes<\/li>\n
    • outputs<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n

Design<\/h3>\n<\/td>\n

Identify the data types and structures required for a problem that relates to the implementation at this level.<\/p>\n

Read and understand designs of solutions to problems at this level, using the following design techniques:<\/p>\n

    \n
  • structure diagrams<\/li>\n
  • pseudocode<\/li>\n<\/ul>\n

    Exemplify and implement efficient design solutions to a problem, using a recognised design technique, showing:<\/p>\n

      \n
    • top level design<\/li>\n
    • the data flow<\/li>\n
    • refinements<\/li>\n<\/ul>\n

      Describe, exemplify and implement user-interface design, in terms of input and output, using a wireframe.<\/td>\n<\/tr>\n

\n

Implementation (data types and structures)<\/h3>\n<\/td>\n

Describe, exemplify and implement appropriately the following structures:<\/p>\n
    \n
  • parallel 1D arrays<\/li>\n
  • records<\/li>\n
  • arrays of records<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n

Implementation (computational constructs)<\/h3>\n<\/td>\n

Describe, exemplify and implement the appropriate constructs in a procedural high-level (textual) language:<\/p>\n
    \n
  • parameter passing (formal and actual)<\/li>\n
  • the scope of local and global variables<\/li>\n
  • sub-programs\/routines, defined by their name and arguments (inputs and outputs):\n
      \n
    • functions<\/li>\n
    • procedures<\/li>\n<\/ul>\n<\/li>\n
    • pre-defined functions (with parameters):\n
        \n
      • to create substrings<\/li>\n
      • to convert from character to ASCII and vice versa<\/li>\n
      • to convert floating-point numbers to integers<\/li>\n
      • modulus<\/li>\n<\/ul>\n<\/li>\n
      • file handling:\n
          \n
        • sequential CSV and txt files (open, create, read, write, close)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

          Read and explain code that makes use of the above constructs.<\/td>\n<\/tr>\n

\n

Implementation (algorithm specification)<\/h3>\n<\/td>\n

Describe, exemplify and implement standard algorithms using 1D arrays or arrays of records:<\/p>\n
    \n
  • linear search<\/li>\n
  • find minimum and maximum<\/li>\n
  • count occurrences<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n

Testing<\/h3>\n<\/td>\n

Describe, exemplify and implement a comprehensive final test plan to show that the functional requirements are met.<\/p>\n

Identify syntax, execution, and logic errors at this level.<\/p>\n

Describe and exemplify debugging techniques:<\/p>\n

    \n
  • dry runs<\/li>\n
  • trace tables\/tools<\/li>\n
  • breakpoints<\/li>\n
  • watchpoints<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\n

Evaluation<\/h3>\n<\/td>\n

Describe, identify and exemplify the evaluation of a solution in terms of:<\/p>\n
    \n
  • fitness for purpose<\/li>\n
  • efficient use of coding constructs<\/li>\n
  • usability<\/li>\n
  • maintainability<\/li>\n
  • robustness<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

     <\/p>\n","protected":false},"excerpt":{"rendered":"

    Topic Software Design and Development (SDD) – Higher (v2.1) Development methodologies Describe and compare the development methodologies: iterative development process agile methodologies Analysis Identify the: purpose scope boundaries functional requirements of a problem that relates to the design and implementation at this level, in terms of: inputs processes outputs Design Identify the data types and …<\/p>\n","protected":false},"author":32,"featured_media":1386,"parent":763,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1968","page","type-page","status-publish","has-post-thumbnail","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/pages\/1968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/comments?post=1968"}],"version-history":[{"count":5,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/pages\/1968\/revisions"}],"predecessor-version":[{"id":2106,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/pages\/1968\/revisions\/2106"}],"up":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/pages\/763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media\/1386"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media?parent=1968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}