Chapter 3 Peripherals and Connectors Flashcards
1
Q
- Which of the following have been common methods to backlight an LCD monitor?
(Choose two.)
A. RGB OLEDs
B. LEDs
C. Incandescent bulbs
D. Halogen bulbs
E. Fluorescent bulbs
A
B. LEDs
E. Fluorescent bulbs
2
Q
- You are attaching an external hard drive to a computer with USB 2.0 ports. The user is
concerned about data transfer speed. What is the maximum speed of USB 2.0?
A. 480 Mbps
B. 5 Gbps
C. 10 Gbps
D. 20 Gbps
A
A. 480 Mbps
3
Q
- You are installing peripherals on a new computer. Which of the following devices provides
both input and output?
A. Webcam
B. Projector
C. Touch screen
D. KVM switch
A
C. Touch screen
4
Q
- You are installing a replacement monitor on a desktop computer. Which of the following is
true regarding a monitor’s refresh rate?
A. As long as the graphics adapter can refresh the image at a particular rate, the attached
monitor can accommodate that refresh rate.
B. The refresh rate is normally expressed in MHz.
C. The refresh rate is normally selected by using the controls on the front panel of the
monitor.
D. As you lower the resolution, the maximum refresh rate allowed tends to increase.
A
D. As you lower the resolution, the maximum refresh rate allowed tends to increase.
5
Q
- Which of the following connector types is typically not associated with hard drive use?
A. USB-C
B. eSATA
C. DB-9
D. SCSI
A
C. DB-9
6
Q
- You are interested in purchasing a new monitor and notice the contrast ratio specification.
What does that refer to?
A. The ratio of luminance between the darkest and lightest colors that can be displayed
B. A term that was used with LCDs but is not a valid specification for OLEDs
C. The ratio of luminance between two adjacent pixels
D. A feature that changes based on the resolution setting
A
A. The ratio of luminance between the darkest and lightest colors that can be displayed
7
Q
- You are installing a new video card that has an HDMI port. Which of the following is true
about HDMI cables? (Choose all that apply.)
A. They can transmit analog or digital signals.
B. They can transmit audio as well as video.
C. They are not used to connect to projectors.
D. They can use HDMI or mini-HDMI connectors.
A
B. They can transmit audio as well as video.
D. They can use HDMI or mini-HDMI connectors.
8
Q
- Which of the following display interfaces is equivalent to DisplayPort with PCIe added in?
A. Thunderbolt
B. HDMI
C. DVI
D. VGA
A
A. Thunderbolt
9
Q
- What is the single, fixed resolution of an LCD called?
A. Default resolution
B. Refresh rate
C. Burned-in resolution
D. Native resolution
E. Aspect ratio
A
D. Native resolution
10
Q
- 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 DVD-D connector
C. You wouldn’t interconnect those two interfaces.
D. With a standard DVI cable
A
C. You wouldn’t interconnect those two interfaces.
11
Q
- What kind of peripheral is used to read credit cards to initiate financial transactions?
(Choose all that apply.)
A. Barcode reader
B. Signature pad
C. Magnetic reader
D. Chip reader
A
C. Magnetic reader
D. Chip reader
12
Q
- Why might you use a KVM switch?
A. You have multiple Ethernet devices that need to communicate with one another.
B. You need to be able to switch the voltage supplied to a particular device.
C. You have a printer that is not attached to the network but you want multiple computers
to be able to print to it.
D. You have more than one server and don’t want to buy certain external peripherals
separately for each.
A
D. You have more than one server and don’t want to buy certain external peripherals
separately for each.
13
Q
- Which of the following connector types are capable of conducting power and transmitting
data? (Choose all that apply.)
A. Lightning
B. Molex
C. USB-C
D. DB-9
E. micro-USB
A
A. Lightning
C. USB-C
E. micro-USB
14
Q
- You want to enhance your display capabilities. Which of the following is possible to do
with multi-monitor settings?
A. Connect multiple monitors to your computer only by using a graphics adapter with two video interfaces.
B. Cause two different Desktops to merge onto the same monitor.
C. Connect two laptops together so they display the same Desktop.
D. Display different parts of your Desktop on different monitors.
A
D. Display different parts of your Desktop on different monitors.
15
Q
- Which of the following is not an example of a connector for a standard peripheral input
device?
A. 1/8″ jack
B. Molex
C. D-sub
D. USB
A
B. Molex
