1.When was the first analog computer built ? 2. Where and how was that computer used? 3. When did the first digital computers appear? 4. Who was the inventor of the first digital computer? 5. What could that device do?​

1.  In 1930, American Vannevar Bush

2.  To calculate the trajectory of the firing of naval guns.

3. 1942

4. John Atanasov and his graduate student Clifford Berry

5. it is a machine that stores data in digital format and performs operations with this data using mathematical manipulations