Question

List and explain three computing devices from the 20th century​

Answer 1

Answer:

Calculating Machine

Graphic tablet.

Touchscreen

Explanation:

Hope this helps.

Brain-List?

Answer 2

Answer:

1. The First Calculating Machine (Pascaline)

2. Jacquard's Loom

3. The First Pocket Calculator

Explanation:

1. Pascaline was the first calculator or adding machine to be produced in any quantity and actually used. It was deigned at about 1642-1644.

2. Jacquard Loom is an attachment for powered fabric looms

3. The first truly pocket-sized electronic calculator was the Busicom LE-120A "HANDY" It was marketed in 1971.