In order to be used as a primary key, which of these characteristics must an attribute possess with respect to a single instance of the entity? Select all that apply.

Write an assembly program with the following specifications.a). in the main block, you should have two registers r4 and r5. they should be checked in an infinite loop. if r4 is greater than r5, then the greater subroutine will be called. if r4 is less than r5, then the less subroutine will be called. if r4 equals r5, then no operations will be done

Corey set up his presentation for delivery to his team.the information he had to convey was critical to their job performance.he knew he would need a lot of time to explain each point

How many nibbles can be stored in a 16-bit word?