ELEC 2501 Lecture 6: ELEC2501-06-practice problems and ladder network

Which of the following best illustrates the relationship between entities and attributes?

1. the entity CUSTOMER with the attribute PRODUCT
2. the entity CUSTOMER with the attribute PURCHASE
3. the entity PRODUCT with the attribute PURCHASE
4. the entity product with the attribute CUSTOMER

write an expression that evaluates to true if the str associated with s starts with "p".

when populating a motherboard with DIMM modules, what configuration option will not work?

1. Using two different manufacture memory
2. Leaving a slot unpopulated
3. Mixing unbuffered with registered
4. Mixing memory speed