what does lossy compression do?

what does lossless compression do?

when adding binary what does 0+0=

when adding binary what does 0+1=

when adding binary what does 1+1=

when adding binary what does 1+1+1=

when you do a right shift of 2 what are you dividing by?

when you do a left shift of 1 what are you multiplying by?

why do people use hexadecimal rather than binary?

What is a character set?

how many bits does ascii use?

how many its does extended ascii use?

how many bits does unicode use?

what is used for a mobile phone that uses emojis?
ascii, extended ascii or unicode?

why is unicode used?

how do you calculate a file size?

how do you calculate the resolution of an image?

what is metadata?

what order does:
terabyte, gigabyte, petabyte, nibble, megabyte, bit, byte and kilobyte
go in smallest to largest?