Check all that apply to Raster Graphics in photoshop

only use certain colors
infinitely scalable
made from pixels
based on math
limited scalability

Eye injuries usually occur as a result of all of the following things, except: a) proper machine operation b) battery explosion c) falling or flying debris d) electric welding arc

Match the following. 1. show grouping of word processing tasks that can be performed quick access toolbar 2. shortcut location for commonly used elements scroll bars 3. organized commands used to modify documents ribbon 4. used to align and measure content in a word screen zoom bar 5. vertical and horizontal bars that are used to navigate through a document contextual tabs 6. displays the name of the document in use ruler 7. allows users to enlarge or shrink a visual of a word document title bar

Pl i need the answer now ! which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard