Free Test Introduction to STL co... – C++ Lan...

Q1: Which of the following is NOT a component of the STL?

A. Threads B. Containers C. Algorithms D. Iterators

Q2: What does the STL provide for managing collections of data?

A. Containers B. Algorithms C. Iterators D. Templates

Q3: Which STL component defines methods to traverse elements in a container?

A. Iterators B. Algorithms C. Containers D. Functors

Q4: Which STL component performs operations like sorting and searching?

A. Algorithms B. Containers C. Iterators D. Allocators

Q5: Which STL container allows fast access by key?

A. map B. vector C. list D. deque

Q6: Which of the following is a sequence container in STL?

A. vector B. set C. multimap D. unordered_map

Q7: Which iterator type supports moving only forward?

A. Input iterator B. Random access iterator C. Bidirectional iterator D. Output iterator

Q8: Which STL component is a function object that can be passed to algorithms?

A. Functor B. Container C. Iterator D. Allocator

Q9: Which container allows duplicate keys and sorts automatically?

A. multiset B. set C. map D. unordered_set

Q10: Which container provides constant time average complexity for insertions and lookups?

A. unordered_map B. multimap C. set D. vector

Q11: Which STL algorithm is used to sort elements?

A. sort B. find C. copy D. reverse

Q12: Which iterator allows random access to elements?

A. Random access iterator B. Input iterator C. Forward iterator D. Output iterator

Q13: What is the default sorting criterion for STL containers like set?

A. Less-than operator B. Greater-than operator C. Equality operator D. Assignment operator

Q14: Which component of STL manages memory allocation?

A. Allocator B. Container C. Iterator D. Algorithm

Q15: Which STL container is best suited for implementing a stack?

A. vector B. list C. queue D. set

Q16: Which STL container maintains insertion order and allows fast access?

A. deque B. set C. multimap D. unordered_set

Q17: Which of the following algorithms searches for an element?

A. find B. sort C. replace D. reverse

Q18: What is the primary purpose of STL?

A. To provide reusable software components for data structures and algorithms B. To manage threads C. To handle graphics D. To manage databases

Q19: Which STL container is associative and ordered?

A. set B. unordered_set C. vector D. list

Quiz for Introduction to STL components