Difine data and information ​

What are compression artifacts? 1) visible defects in the picture caused by the nature of the compression algorithm. 2) numbers that tell a web server how much to compress a picture for faster transmission. 3) invisible defects in the picture preserved by lossless compression. 4) numbers that tell a photo editing program how much to compress a picture for faster transmission.

Quick pl which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

What are the different parts of computer