Chapter 3 Flashcards
Network:
a collection of computers and other devices connected together somehow to share resources
What are the two different types of computing devices that you will commonly find on a network?
Servers
Workstations
Servers:
offer networks the capability of centralizing the control of resources and security
Can be used to distribute processes for balancing the load on computers and can thus increase speed and performance
Dedicated Server:
is assigned to provide specific applications or services for the network and nothing else
Nondedicated Server:
is assigned to provide one or more network services and local access for a user
Workstations or client computers:
everyday computers connected to a network that offers additional resources
Network Interface Care (NIC):
an expansion card that allows the PC to talk on a network
Cable lock (Kensington lock or K-lock):
anchors your device to a physical structure, making it nearly impossible for someone to walk off with it
Four Laptop pointing devices:
Trackball
Touchpad
Point Stick (IBM ThinkPad series)
Touchscreen
Two types of touchscreens to be aware of:
Resistive
Capacitive
Resistive touchscreen:
respond to pressure
Capacitive touchscreen:
respond to changes in electrical current
Gesture-based interaction:
users use their fingers and various movements to interact with their touchscreen
What are the four gestures needed for gesture-based interaction?
Tap
Swipe
Pinch
Kinetics
Kinetics:
refers to the sense of motion
detects movements such as tilting or shaking the device that many apps take advantage of
What are the two benefits of synchronizing your devices?
You can access your files online or from your device
It provides a backup of your files in case you need to restore your device
Controller:
a specialized input device
Teraflop:
one trillion floating-point operations per second
Internet of Things (IoT):
the network of devices that are able to communicate with each other and exchange data
What are the two reasons that governance can be such a hot topic?
Data Security
Privacy
Data Security:
refers to ensuring that confidentiality, availability, and integrity are maintained
Privacy:
related to the appropriate use of data
