Question

1) when was first computer mouse was invented and by whom?
2) when was first hard drive was invented and how much it can hold data? ​

Answer 1

• when was first computer mouse was invented and by whom?

Douglas Engelbart

The computer mouse was invented and developed by Douglas Engelbart, with the assistance of Bill English, during the 1960s and was patented on November 17, 1970.

• when was first hard drive was invented and how much it can hold data? ​

The first disk drive to use removable media was the IBM 1311 drive. It was introduced in 1962 using the IBM 1316 disk pack to store two million characters.

Answer 2

1) Development of mouse began in the early 1960s by SRI's Douglas Engelbert while he was exploring the interaction between human and computer mouse prototype in 1964 . Designs with multiple botton soon followed .

2) IBM introduced the first hard disk drive to break the 1 GB barrier in 1980 . It was called the IBM 3380 and could store 2.52 GB . It's cabinet was about the size of a refrigerator and the whole thing weighted in at 550 pounds .