JK0-U11 Free Dumps Study Materials
Question 16: Which of the following is a circuit board that is used to extend slots for expansion cards and
provides the ability to connect additional expansion cards to the computer?
A. Audio/modem riser
B. Secure Digital (SD) card
C. Riser card
D. Communication and Networking Riser (CNR)
Correct Answer: C
Explanation:
Riser card is a circuit board that is used to extend slots for expansion cards and provides the ability
to connect additional expansion cards to the computer.
These cards are used with LPX motherboards. With the introduction of ATX motherboards, riser
cards are rarely used. In ATX motherboards, the expansion cards connect directly to the computer
motherboard instead of using riser cards.
Answer A is incorrect. The audio/modem riser (AMR), also known as an AMR slot, is an expansion
slot. It is found on the motherboards of some Pentium III, Pentium 4, and Athlon personal
computers. It was designed by Intel to interface with chipsets and provide analog functionality, such
as sound cards and modems, on an expansion card. It has two rows of 23 pins each, making a total
of 46 pins.
Answer D is incorrect. Communication and Networking Riser (CNR) is a hardware device developed
by Intel. It plugs into the motherboard and holds chips for the functioning of devices such as
modems and audio devices. It supports V.90 analog modem, multi-channel audio, phone-line-based
networking, and 10/100 Ethernet-based networking. CNR also minimizes electrical noise
interference through the physical separation of noise- sensitive elements from the motherboard's
communication systems.
Answer B is incorrect. Secure Digital (SD) card is a non-volatile memory card format used in portable
devices such as mobile phones, digital cameras, and handheld computers. SD cards are based on the
older MultiMediaCard (MMC) format, but they are a little thicker than MMC cards. Generally an SD
card offers a write-protect switch on its side. SD cards generally measure 32 mm x 24 mm x 2.1 mm,
but they can be as thin as 1.4 mm. The devices that have SD card slots can use the thinner MMC
cards, but the standard SD cards will not fit into the thinner MMC slots. Some SD cards are also
available with a USB connector. SD card readers allow SD cards to be accessed via many connectivity
ports such as USB, FireWire, and the common parallel port.
