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W07: CP04 Quiz (CSCC0823)

Quiz by Bryan N. Manalaotao

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15 questions
Show answers
  • Q1
    What is the primary characteristic of an array data type?
    It can store elements of different types
    It does not support systematic sequencing through the structure
    It allows for variable-length storage allocation
    Its elements are identified by their position relative to the first element
    20s
  • Q2
    Which programming languages typically include sets as a data type?
    Pascal and Modula-2
    C and C++
    JavaScript and Ruby
    Python and Java
    20s
  • Q3
    What is the primary purpose of variant records?
    To have multiple variations of record structures
    To store variables of the same data type together
    To facilitate pattern matching operations
    To allow for dynamic storage allocation
    20s
  • Q4
    In which programming language is the syntax "p^" address used to reference a field in a record using a pointer?
    Pascal
    C++
    ADA
    C
    20s
  • Q5
    What is a dangling pointer?
    A pointer that points to the first element of an array
    A pointer that contains the address of a dynamic variable
    A pointer that contains an invalid memory address
    A pointer that points to a variable outside its scope
    20s
  • Q6
    What is the purpose of garbage collection in programming languages?
    To manage pointers effectively
    To optimize memory usage for arrays
    To allocate memory dynamically during runtime
    To automatically reclaim memory allocated to variables
    20s
  • Q7
    Which phase of garbage collection involves marking reachable cells as not being garbage?
    Phase 4
    Phase 1
    Phase 3
    Phase 2
    20s
  • Q8
    How are sets typically stored in memory?
    As bit strings
    As hash tables
    As linked lists
    As arrays of elements
    20s
  • Q9
    What is the primary difference between arrays and records?
    Arrays can have varying lengths, while records have fixed lengths
    Arrays are stored in contiguous memory, while records are not
    Arrays support dynamic storage allocation, while records do not
    Array elements must be of the same type, while record fields can be of different types
    20s
  • Q10
    Which programming language uses discriminated unions?
    Python
    JavaScript
    Algol 68
    C
    20s
  • Q11
    What is the purpose of pointer operations?
    To deallocate memory from a pointer variable
    To create a dangling pointer
    To sets a pointer variable to the address of some object
    To assign a memory address to a pointer variable
    20s
  • Q12
    How are multi-dimensional arrays typically implemented?
    Using dynamic allocation for each dimension
    Using row-major order
    Using column-major order
    Using both row-major and column-major orders
    20s
  • Q13
    Which type of array binding allows for maximal flexibility, allowing arrays to grow and shrink during runtime?
    Dynamic array
    Semi-dynamic binding
    Semi-static binding
    Static array
    20s
  • Q14
    What is the purpose of a constrained variant variable in ADA?
    To provide flexibility in defining record structures
    To restrict the range of possible values for a record
    To simplify type checking during compilation
    To restrict access to certain fields within a record
    20s
  • Q15
    How are pointers implemented in microcomputers based on Intel microprocessors?
    As arrays of memory addresses
    As pairs of 16-bit words
    As hash tables
    As single values stored in two or four-byte memory cells
    20s

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