Athlon 64 and （）are examples of AMD processors that use the AMD64 architecture.

单项选择题The （）expansion slot provides faster video performance.

A.ISA
B.AGP
C.EISA
D.PCI

单项选择题Generally a hard disk drive has multiple disks, known as （）.

A.Cartridges
B.Spindle motors
C.Sectors
D.Platters

单项选择题In （） technology, two separate and complete processing units run in parallel on a Single chip.

A.Hyper-threading
B.Caching
C.Multi-tasking
D.Dual-core

单项选择题（）allows a laptop to connect to other devices such as monitor, printer, etc.

A.Docking station
B.Switch
C.Router
D.Hub

单项选择题Which of the following components of a laptop is NOT upgradeable?（）

A. Ethernet LAN card
B. Motherboard
C. Hard disk
D. RAM