Kit Library / Computer Science / Data Structures
⚡ Topic Learning KitShared by a Veda teacher · Generated with Veda AI
Veda Bites are swipeable micro-lessons — each one teaches exactly one idea. Here's a taste from this kit; the app has the full deck.
Last in, first out — always.
A stack is a linear data structure that follows the LIFO (Last-In, First-Out) principle. This means the most recently added element is the first one to be removed. Think of a stack of plates: you add and remove plates from the top only.
↳ A stack's defining rule is LIFO: the last element pushed is the first element popped.
The essential stack vocabulary.
↳ Push and Pop are the primary mutators; Peek, isEmpty, and isFull are the primary accessors.
Adding to the top of the stack.
↳ Push always adds to the top, updating the top pointer to the new element.
A stack is a fundamental linear data structure that operates on the Last-In, First-Out (LIFO) principle, where all insertions (push) and deletions (pop) occur at one end called the top. It supports essential operations l...
~8 min · full explanation, examples & memory tricks in the app
17 questions laddered from warm-up to topper-level, each with an explanation. A taste:
What does LIFO stand for in the context of a stack?
BeginnerLast In, First Out
LIFO means the last element added to the stack is the first one removed.
Which operation adds an element to the top of a stack?
Beginnerpush
Push is the operation that inserts an element onto the top of the stack.
Which operation removes the top element from a stack?
Beginnerpop
Pop removes the element that is currently at the top of the stack.
What does the 'peek' operation do on a stack?
BeginnerReturns the top element without removing it
Peek (or top) returns the value of the top element but does not remove it from the stack.
18 flashcards in this kit — the app reviews them with spaced repetition so the right card returns on the right day.
Every game is built from this kit's own content — scores feed your mastery, so playing counts as studying.
The full Veda Bites deck, complete notes, spaced-repetition flashcards, leveled MCQs, tests and games for this kit — plus Daily Facts and the Arena, every day.
