______ plug directly into expansion slots on the motherboard and allow you to connect additional peripheral devices to a computer

a. CMOS
b. Adapter cards
c. Ports
3.A single _____ port can connect up to 127 devices and is hot swappable.
a. FireWire
b. PCI
c. USB
4.Which type of memory stores the operating systems, programs, and data the computer is currently using?
a. CMOS.
b. RAM
c. Solid-state
5.Pointing devices, such as the mouse and ________, work by moving a pointer on the screen.
a. laser
b. scroll wheel
c. touchscreen
6.______ scanners read human characteristics such as fingerprints and retinas.
a. Biometric
b. Optical
c. RFID
7.Which type of monitor consists of two layers of glass that are glued together with a layer of liquid crystals between them?
a. LCD
b. OLED
c. Plasma
8.Which type of printer produces the highest-quality photo prints?
a. Color laser
b. Dye-sublimation
c. Inkjet
9.What is a wired network adapter with a port that resembles a telephone jack?
a. Ethernet adapter
b. Cable modem
c. Wireless adapter
10.__________ are the principal mass-storage devices in a computer system.
a. Flash drives
b. Hard drives
c. Optical discs
1.The programs that provide the infrastructure and hardware control necessary for the computer and its peripheral devices are called _____.
a. the application programming interface (API)
b. device drivers
c. system software

c. system software