Last updated on September 27th, 2022 at 01:13 pm
Class 4 Input and Output Devices Question Answers
Fill in the blanks: –
- …………. is a pattern of parallel lines of varying width printed on various products.
- …………. project images (or moving images) onto a large projection screen.
- Data printed in MICR typeface are recognized by …………. technology.
- A …………. device recognizes users by their fingerprints, faces, or voices.
Answer in one word-
By simply touching the screen, you can select options on the computer
A device that uses one or more automated pens to draw on paper.
A device used to control industrial robots and play computer games.
Which device is used to project images onto a large area
Ans – Projector
Answer the following question: –
What is a scanner?
Information printed on paper or other media can be scanned using a scanner. To process the scanned information, the information is transferred to a computer’s hard drive. This is done by scanning the data with a light beam. There are different kinds of scanners.