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Comptia A+ > Chapter 3 Peripherals and Connectors > Flashcards

Chapter 3 Peripherals and Connectors Flashcards

1
Q
  1. 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

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2
Q
  1. 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

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3
Q
  1. 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

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4
Q
  1. 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.

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5
Q
  1. 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

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6
Q
  1. 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

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7
Q
  1. 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.

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8
Q
  1. 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

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9
Q
  1. 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

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10
Q
  1. 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.

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11
Q
  1. 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

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12
Q
  1. 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.

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13
Q
  1. 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

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14
Q
  1. 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.

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15
Q
  1. 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

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16
Q
  1. When purchasing a projector, which of the following is the most important characteristic to
    consider?
    A. Aspect ratio
    B. Maximum resolution
    C. Lumens
    D. Native resolution
A

C. Lumens

17
Q
  1. A user with an 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?
    A. Thunderbolt
    B. Lightning
    C. USB-C
    D. Micro-USB
A

B. Lightning

18
Q
  1. Which of the following resolutions is an example of a 16:10 aspect ratio?
    A. 1280 × 1024
    B. 1920 × 1200
    C. 800 × 600
    D. 2048 × 1536
A

B. 1920 × 1200

19
Q
  1. What type of pointing device features a ball and buttons on the top and a flat, steady surface
    on the bottom?
    A. Mouse
    B. Touch pad
    C. Trackball
    D. Track pad
A

C. Trackball

20
Q
  1. VGA cables use what type of signal between the adapter and monitor?
    A. Digital
    B. Analog
    C. Composite
    D. Compressed
A

B. Analog

Comptia A+ (26 decks)

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