A foreign key contains a nonrepeating value, which uniquely identifies each record

In addition to the CPU, what two motherboard components sometimes have heat sinks?

A) PCI bus and BIOS B) Chipset and I/O controller C) Integrated ports and BIOS D) Memory controller and BIOS

Which of the following issues can cause an SSD to run more slowly than expected? (Choose all that apply.)

a. Connected to slow SATA host adapter b. Misaligned partition c. Overloaded power supply d. TRIM command enabled