Early computing device have been replaced by modem computing device die to several reasons. Identify any four early computing device ?

1. Abacus
2. Eniac
3. UNIVAC
4. IBM 650

Four Early Computing Devices:

1. Abacus: A manual device used for calculations involving addition, subtraction, multiplication, and division.
2. Slide Rule: An analog computing device used to perform multiplication, division, and other mathematical operations.
3. Mechanical Calculator: A non-electronic device that uses gears and levers to perform calculations.
4. Punched Card Machine: A device that reads data from punched cards and can perform basic arithmetic and logical operations.