GCSE Computer Science - OCR 277

Paper 2 Topics

• Variables: The use of variables, constants, operators, inputs, outputs and assignments.
  • Data types:
    • integer
    • real
    • Boolean
    • character and string
    • casting
• Programming Constructs
  • Sequence
  • Selection: if and switch
  • Iteration:
    • Count Controlled Loops
    • Condition Controlled Loop
• Sub programs (functions and procedures) to produce structured code
• Arithmetic operator and Boolean operators.
• Basic string manipulation
• File handling operations
  • Plain Text
  • CSV Files
  • Exam File Pseudocode ISAAC COMPUTING CRAIGN DAVE
• Arrays:
  • 1D Arrays
  • 2D Arrays
• Sorting
  • Bubble Sort
  • Insertion Sort
  • Merge Sort
• Searching
  • Linear Search
  • Binary Search
• High and Low Level Languages
• Translators, Compilers and Interpreters
• IDEs
• Testing
  • SQL to search for data (taught by MW)