It’s a piece of hardware (you can touch it) that changes something on the screen. Examples are a keyboard putting letters on the screen or a mouse moving the cursor
Answer:
abacus is first calculating device
Answer:
Yes It's true but You forgot email
Explanation:
A spreadsheet function that indicates the average of a group of numbers in a range.
Word-processing software includes basic applications designed for casual business or home users and powerful, advanced applications capable of meeting the most-demanding needs of businesses. Many word-processing applications are designed for use as part of a suite or integrated group of word-processing, spreadsheet, and presentation programs
