The blocks in bitcoin's blockchain are put together with what kind of data structure? Answers: A doubly linked list of blocks A binary tree of blocks A hash chain of blocks A hash table of blocks
The blocks in bitcoin's blockchain are put together with what kind of data structure? Answers: A doubly linked list of blocks A binary tree of blocks A hash chain of blocks A hash table of blocks
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:The blocks in bitcoin's blockchain are put together with what kind of data structure?
Answers:
A doubly linked list of blocks
A binary tree of blocks
A hash chain of blocks
A hash table of blocks
Transcribed Image Text:What will be the contents of the stack (shown from stack bottom on the left to stack top on the right), after the given sequence of operations shown below?
Stack s = new Stack ();
s.push (1);
s.push (8);
if (s.peek () > 5)
s.pop ();
s.push (6);
3.push (4) ;
s.pop ();
s.peek () ;
O 1,4
O 1,6
O 6, 4
O 1, 8, 6
O 8, 6, 4
O 1
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