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26.
Which peripheral port type was designed to transfer data at higher speeds over a D-sub
interface?
- A.DVD
- B.USB
- C.IEEE 1394
- D.IEEE 1284
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
| The IEEE 1284 standard specifies that the ECP parallel port use a DMA channel and the buffer be able to transfer data at higher speeds to printers. |
27.
The surround sound mode known as 5.1 employs how many speakers when only one is used
for each channel?
- A.1
- B.5
- C.6
- D.8
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| The description 5.1 refers to six channels of audio. The 5 in the name refers collectively to the single center channel, the right and left front channels, and the right and left rear channels. The 1 in the name refers to the single LFE channel connected to the subwoofer. |
28.
Which of the following display interfaces is equivalent to DisplayPort with PCIe added in?
- A.Thunderbolt
- B.WHUXGA
- C.IEEE 1394c
- D.HDMI
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| Intel and Apple collaborated on Thunderbolt to add PCIe to VESA’s DisplayPort and to make the resulting interface smaller and less expensive to connect. |
29.
Which of the following interfaces allows audio to be sent out over the same cabling infrastructure
as video?
- A.VGA
- B.DVI
- C.HDMI
- D.Composite
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| HDMI is a digital interface and cabling specification that allows digital audio to be carried over the same cable as video. |
30.
How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer?
- A.With a DVI-I cable
- B.With a cable that is terminated on one end with a DVI-A connector and on the other end with a DVI-D connector
- C.You wouldn’t interconnect those two interfaces
- D.With a standard DVI cable
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Such a connection should not be made. DVI-I cables act like universal cables; they can connect two DVI-A interfaces or two DVI-D interfaces with adapters. Natively, they are used to connect two DVI-I interfaces, both of which are configured as either analog or digital. They are unable to convert the analog signal to a digital one, however. Analog and digital DVI interfaces are too disparate to interconnect. |
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