Chapter 3: Peripherals and Connectors

A user with iPhone 7 needs to charge her device and asks you to bring a cable. Which of the following connector types should you ensure that the cable has? Select one: a. 1920 x 1200 b. 1280 x 1024 c. 2048 x 1536 d. 800 x 600

a. 1920 x 1200

Which of the following resolutions is an example of a 16:10 aspect ratio? Select one: a. 1920 x 1200 b. 1280 x 1024 c. 2048 x 1536 d. 800 x 600

a. 1920 x 1200

What kind of peripheral is used to read credit cards to initiate financial transactions? (Choose all that apply.) Select one or more: a. Chip reader b. Signature pad c. Barcode reader d. Magnetic reader

a. Chip reader d. Magnetic reader

Which of the following connector types are capable of conducting power and transmitting data? (Choose all that apply.) Select one or more: a. Lightning # USB cables and eSATA cables can transmit power and data. b. Molex # A Molex connector is power-only. c. micro-USB # USB cables and eSATA cables can transmit power and data. d. DB-9 # A DB-9 is for serial cables and is data-only. e. USB-C # USB cables and eSATA cables can transmit power and data.

a. Lightning # USB cables and eSATA cables can transmit power and data. c. micro-USB # USB cables and eSATA cables can transmit power and data. e. USB-C # USB cables and eSATA cables can transmit power and data.

You are interested in purchasing a new monitor and notice the contrast ratio specification. What does that refer to? Select one: 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. A feature that changes based on the resolution setting. d. The ratio of luminance between two adjacent pixels.

a. The ratio of luminance between the darkest and lightest colors that can be displayed.

You are installing a replacement monitor on a desktop computer. Which of the following is true regarding a monitor's refresh rate? Select one: a. As long as the graphics adapter can refresh the image at a particular rate, the attached monitor can accommodate that refresh rate. b. As you lower the resolution, the maximum refresh rate allowed tends to increase. c. The refresh rate is normally selected by using the controls on the front panel of the monitor. d. The refresh rate is normally expressed in MHz.

b. As you lower the resolution, the maximum refresh rate allowed tends to increase.

Which of the following connector types is typically not associated with hard drive use? Select one: a. SCSI b. DB-9 c. eSATA d. USB-C

b. DB-9

Which of the following have been common methods to backlight an LCD monitor? (Choose two.) a. Incandescent bulbs b. LEDs c. Fluorescent bulbs d. RGB OLEDs e. Halogen bulbs

b. LEDs c. Fluorescent bulbs

Which of the following is not an example of a connector for a standard peripheral input device? Select one: a. 1/8? jack b. Molex c. D-sub c. USB

b. Molex

VGA cables use what type of signal between the adapter and monitor? Select one: a. Digital b. Compressed c. Analog d. Composite

c. Analog

You want to enhance your display capabilities. Which of the following is possible to do with multi-monitor settings? Select one: a. Connect two laptops together so they display the same Desktop. b. Cause two different Desktops to merge onto the same monitor. c. Display different parts of your Desktop on different monitors. d. Connect multiple monitors to your computer only by using a graphics adapter with two video interfaces.

c. Display different parts of your Desktop on different monitors.

When purchasing a projector, which of the following is the most important characteristic to consider Select one: a. Native resolution b. Maximum resolution c. Lumens d. Aspect ratio

c. Lumens

What is the single, fixed resolution of an LCD called? Select one: a. Burned-in resolution b. Refresh rate c. Native resolution d. Aspect ratio e. Default resolution

c. Native resolution

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.) Select one or more: a. They can transmit analog or digital signals. b. They are not used to connect to projectors. c. They can use HDMI or mini-HDMI connectors. d. They can transmit audio as well las video.

c. They can use HDMI or mini-HDMI connectors. d. They can transmit audio as well las video.

What type of pointing device features a ball and buttons on the top and a flat, steady surface on the bottom? Select one: a. Mouse b. Track pad c. Trackball d. Touch pad

c. Trackball

How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer? Select one: a. With a DVI-I cable b. With a standard DVI cable c. You wouldn't interconnect those two interfaces d. 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.

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? Select one: a. 20 Gbps b. 5 Gbps c. 10 Gbps d. 480 Mbps

d. 480 Mbps

Which of the following display interfaces is equivalent to DisplayPort with PCIe added in? Select one: a. HDMI b. VGA c. DVI d. Thunderbolt

d. Thunderbolt

You are installing peripherals on a new computer. Which of the following devices provides both input and output? Select one: a. KVM switch b. Projector c. Webcam d. Touch screen

d. Touch screen

Why might you use a KVM switch? Select one: 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.

d. You have more than one server and don't want to buy certain external peripherals separately for each.