Construction of Data Structures Lowersixth Science Computer Science

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Quiz on complex data types and array manipulation.

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Construction of Data Structures Lowersixth Science Computer Science


Froggy Jumps Construction of Data Structures Lowersixth Science Computer ScienceOnline version Quiz on complex data types and array manipulation. by YAKILI LMS 1 Which data type can hold multiple characters in sequence? a Integer b Record c String 2 Which data structure can store a fixed number of elements of the same type? a Record b Array c List 3 Which term describes a collection of named fields of different types? a Record b String c Array 4 What is used to store a sequence of items that can be read by index? a Record b Array c String 5 Which operation sorts array elements in non-decreasing order? a Concatenate the array b Sort the array c Reverse the array 6 Which action reads an element at a specific position in an array? a Sort by value b Append to end c Access by index 7 What is initialization of an array? a Resize the array b Assign initial values c Delete elements 8 Which data type can hold a collection of items of the same type and order? a Record b List c String 9 Which data type can hold heterogenous fields in fixed names? a Record b String c Array 10 In programming, what is a 'complex data type' example? a Character b Boolean c Array of records 11 Which operation would you use to compute the sum of an array of numbers? a Iterate and accumulate b Split the array c Sort the array 12 Which data type is best for a list of names with duplicates allowed? a String b Record c List 13 What does indexing in an array start from in most languages? a -1 b 0 c 1 14 Which operation can transform an array into a single string of values? a Sort b Join/concatenate c Split 15 Which data type is ideal for a collection with fixed fields like name, age? a Array b List c Record 16 What is the term for removing the last element of an array? a Pop b Slice c Push 17 Which operation reads a value from a specific index in an array? a Access by index b Duplicate element c Insert at start 18 Which data structure can hold a list of records? a Boolean b Array of records c Integer 19 Which function would you use to compute the average of numbers in an array? a Sort the array b Sum elements and divide by count c Reverse the array 20 Which statement initializes an array with 5 zeros? a int arr[5] = {0,0,0,0,0}; b arr = [0,0,0,0,0] c int arr[5] = 0; 21 What is a 'slice' in array terminology? a A subset view of an array b A copied element c A different type 22 Which operation would you perform to reorder elements randomly? a Shuffle b Sort ascending c Filter 23 Which data type can be nested inside a record? a Array b Integer c Boolean 24 What is the result of accessing a non-existent index typically? a Null value b Zero c Error or exception 25 Which is a common use of arrays in CS? a Store single value b Track file paths c Store multiple values of the same type 26 Which method adds a new element to the end of a list? a Remove b Pop c Append 27 What is a 'mutable' data type in this context? a Always sorted b Cannot be changed c Can be changed after creation 28 Which structure best stores a set of student records? a Character b Boolean c Array of records 29 Which operation computes the maximum value in an array? a Concatenate b Sort descending c Iterate and compare 30 Which keyword indicates a list of elements in many languages? a Map b Record c List 31 Which data type would you use for a fixed set of attributes per person? a Record b String c Array 32 What is the benefit of using arrays for data storage? a Efficient indexed access b Increased complexity c Slower access 33 Which operation creates a new array from a subset? a Append b Slice c Merge 34 Which data type holds a sequence of characters? a Record b Integer c String 35 Which method would you use to reverse an array? a Sort b Split c Reverse 36 Which is a typical use of a record? a Group related fields b Store only numbers c Contain a single value 37 Which operation adds an element at the start of an array/list? a Pop b Prepend c Append 38 Which concept allows arrays to hold different data types? a Fixed typing b Dynamic typing (where supported) c Static arrays only 39 Which function aggregates array elements to a single value? a Reduce b Filter c Split 40 What is the term for removing an element by index? a Sort by index b Replace by value c Delete by index 41 Which data type can represent a row of data with fields? a Array b List c Record 42 Which operation would you use to combine two arrays? a Slice b Sort c Concatenate 43 What is the typical starting index in many languages? a 0 b 1 c -1 44 Which is not a complex data type? a Array b Boolean c Record 45 Which data type stores an ordered collection of integers? a Record b Array c String 46 What operation accesses the last element of an array? a Index 1 b Index 0 c Index length-1 47 Which is a correct way to initialize an array of 3 strings? a strings = (a,b,c) b strings = {'a','b','c'} c strings = ['a','b','c'] 48 Which data type can be a field of a record? a Only strings b Any primitive or complex type c Only integers 49 Which operation would you use to find the minimum value in an array? a Iterate and compare b Sort ascending then pick first c Reverse then pick last 50 Which term describes a collection with named fields and values? a Array b List c Record

Construction of Data Structures Lowersixth Science Computer Science

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Construction of Data Structures Lowersixth Science Computer ScienceOnline version

by YAKILI LMS

Which data type can hold multiple characters in sequence?

Which data structure can store a fixed number of elements of the same type?

Which term describes a collection of named fields of different types?

What is used to store a sequence of items that can be read by index?

Which operation sorts array elements in non-decreasing order?

Which action reads an element at a specific position in an array?

What is initialization of an array?

Which data type can hold a collection of items of the same type and order?

Which data type can hold heterogenous fields in fixed names?

In programming, what is a 'complex data type' example?

Which operation would you use to compute the sum of an array of numbers?

Which data type is best for a list of names with duplicates allowed?

What does indexing in an array start from in most languages?

Which operation can transform an array into a single string of values?

Which data type is ideal for a collection with fixed fields like name, age?

What is the term for removing the last element of an array?

Which operation reads a value from a specific index in an array?

Which data structure can hold a list of records?

Which function would you use to compute the average of numbers in an array?

Which statement initializes an array with 5 zeros?

What is a 'slice' in array terminology?

Which operation would you perform to reorder elements randomly?

Which data type can be nested inside a record?

What is the result of accessing a non-existent index typically?

Which is a common use of arrays in CS?

Which method adds a new element to the end of a list?

What is a 'mutable' data type in this context?

Which structure best stores a set of student records?

Which operation computes the maximum value in an array?

Which keyword indicates a list of elements in many languages?

Which data type would you use for a fixed set of attributes per person?

What is the benefit of using arrays for data storage?

Which operation creates a new array from a subset?

Which data type holds a sequence of characters?

Which method would you use to reverse an array?

Which is a typical use of a record?

Which operation adds an element at the start of an array/list?

Which concept allows arrays to hold different data types?

Which function aggregates array elements to a single value?

What is the term for removing an element by index?

Which data type can represent a row of data with fields?

Which operation would you use to combine two arrays?

What is the typical starting index in many languages?

Which is not a complex data type?

Which data type stores an ordered collection of integers?

What operation accesses the last element of an array?

Which is a correct way to initialize an array of 3 strings?

Which data type can be a field of a record?

Which operation would you use to find the minimum value in an array?

Which term describes a collection with named fields and values?