6. List the following in increasing order (slowest to fastest): megahertz, kilohertz, gigahertz.
a. kilohertz, megahertz, gigahertz
7. What is the bus of a computer?
a. The bus is the electrical connection between different computer components.
8. Name two differences between RAM and a hard disk.
a. RAM is volatile; the hard disk is nonvolatile. Data access in RAM is faster than on the hard disk.
9. What are the advantages of solidstate drives over hard disks?
a. The main advantage is speed: an SSD has much faster dataaccess speeds than a traditional hard
disk.