Write code for a function that takes value for two 8 bits registers (R1, R2) in binary then return the result of R1 AND R2

How can a user open a blank presentation? 1.on the file menu, click new, and then click recent templates 2.on the file menu, click new, and then click blank presentation 3. on the view menu, click templates, and then click recent templates 4. on the view menu, click samples, and then click blank presentation

State 7 common key's for every keyboard

When is a chart legend used a. all the time b. whenever you are comparing data that is the same c. whenever you are comparing multiple sets of data d. only for hand-drawn charts