Cardinals have elected the pope since the year 1059 and cardinals alone have elected the pope since that year. However, the newly chosen pope had to be first approved by the lower clergy and laity. In 1139 that was changed and only the cardinals could vote and the winning cardinal was not subject to approval of others before taking office.
Bishops that elect the pope are called cardinals.
The cardinals use paper ballots to elect a pope. There are no voting machines used.
The Sistine Chapel is where the Cardinals meet to elect a new Pope.
2/3 of the eligible cardinals (under age 80) are needed to elect a pope.
The College of Cardinals
The College of Cardinals elect the pope.
Cardinals elect Popes, but they are not necessarily bishops.
The Pope gets elected by the Cardinals not the people.
All cardinals under the age of 80 years make up the electorate that chooses a new pope.
The Cardinals role was to elect a new Pope when the See of Peter was vacant
10 cardinals. 3 of them are eligible to elect a new pope.
He was elected in the Sistine Chapel of the Vatican.