3.6 Explain the purposes and uses of various peripherals Flashcards
Sometimes you can extend the capabilities of your printer to also fax, scan, and copy by having an ___.
all-in-one system or AIO
all-in-one system or AIO typically use what kind of conection?
USB
some can use ethernet, 802.11 wireless, or bluetooth/infrared
The all-in-one device might also include an ___, so you can put a large number of papers in and have them all scanned automatically through the scanner itself.
ADF (automatic document feeder)
A scanner creates a digital image of a paper document and stores it in an ___.
image file or Portable Document Format (PDF) file
What is ideal for scanning something bulky like a book?
flatbed scanner
What does an ADF do?
An ADF feeds paper, one sheet at a time, from a stack of separate sheets of paper.
___ read barcode and QR codes, often using the same application.
Barcode and quick response (QR) code scanners
Monitors, also called displays, allow users to see the video output of a computer. Name 4 common connectors associated with displays.
HDMI, VGA, DVI, and DisplayPort.
The most common use is currently gaming, but ___ are also used for training, design, architecture, medical applications, and more.
VR headsets
What is one thing you may need for reading/editing CDs, DVDs, and Blu-ray discs on slimmer laptops?
A free USB port for a peripheral optical drive.
What are 3 ways of connecting a mouse/keyboard to a computer?
Bluetooth
USB
PS/2
Glass tables may cause problems for what?
Mouse tracking.
A ___ is an input device that provides point-and-click capabilities similar to a mouse. It is built into laptops but also available as a peripheral device that connects via USB or Bluetooth.
touchpad
A ___ is an input device that has a surface you can “write” on, but rather than writing in ink, the pressure on the pad is detected, displayed on the screen and/or stored in a file. It is used to capture a signature during a transaction. It connects via USB.
signature pad
___ are used when disconnected from the computer to take photos and videos that are stored as files in the camera.
Digital cameras
Microphones may be built into a computer or connected as a peripheral via what 3 types of connection?
USB
Bluetooth
TSR (tip/ring/sleeve) jack
TSR stands for what and is associated with what?
tip/ring/sleeve, audio devices such as microphones, headphones, or speakers. There may be two audio jacks, one for the microphone and another for the headphones, or it may be a single combined jack.
A headset is a…
microphone and headphones combined in one unit.
A ___ is a video output device that projects the video output onto a screen or whatever you happen to point it at.
projector
What is projector light measured in? What must be considered when purchasing bulbs for one?
Brightness is measured in lumens (lm). The bulb in a projector will have a specific lumen value.
Projectors connect to computers using the same types of connections as any other display, such as…
HDMI, DVI, or USB.
What may you notice after powering off a projector?
The fan may continue to run to cool the bulb, keep it plugged after powering off for this reason.
If you need to move a large amount of data from one computer to another, it’s common to use an ___.
external storage device
External storage devices typically use what 3 connectors?
USB, eSATA, or Thunderbolt connections.
High security environments may have what to dissuade external storage devices?
Disabled physical ports on computers.
___ are typically used in data centers with many servers for easy control.
Keyboard, video, mouse (KVM) switches
Rather than each server having its own keyboard, video monitor, and mouse, KVMs connect a single keyboard, monitor, and mouse, to multiple servers.
What peripheral is commonly used for a PoS terminal, or security access?
Magnetic Reader/Chip Reader
Your point of sale terminal may also be able to accept payment using ___, where you’re able to put a mobile device very close to the terminal and be able to transfer your payment information that way.
NFC, or near-field communication
NFC is also used for transfer photos or files between smartphones.
___ are a peripheral used as a form of authentication, may be built into some laptops.
smart card readers
The most common use for smart cards is…
to authenticate a user to a system. In addition to a username and password, it serves as a second factor of authentication.
