Signals
Transmission Systems
Networks
Typology
Important Devices
100
What is a SIGNAL?
Used in transmitting voices and other sounds over a computer network
100
What is WIRED TRANSMISSION?
Send a signal through various media
100
What is LOCAL AREA NETWORK (LAN)?
Network where connected devices are located within the same room or building
100
What is TOPOLOGY?
How devices in a network or physically arranged and connected to each other
100
What is DIAL-UP MODEM?
A ______ works with phone transmission
200
What is ANALONG SIGNAL?
Formed by continuous sound waves that fluctuate from high to low
200
What is TWISTED-PAIR CABLE?
Consists of two independently insulated wires wrapped around one and another
200
What is WIRELESS LAN (WLAN)?
A local area network that uses wireless technology
200
What is RING TOPOLOGY?
Computers and other devices connected in a closed loop
200
What is a CABLE MODEM?
Sends and Receives digitial data using a high-speed cable network
300
What is DIGITAL SIGNAL?
Uses a discrete signal that is either high or low
300
What is COAXIAL CABLE?
Used to transmit cable television signals over an insulated wire at a fast speed
300
What is METROPOLITAN AREA NETWORK (MAN)?
Network that connects networks within a city, university, or other populous area to a larger high-speed network
300
What is BUS TOPOLOGY
Computers and devices are connected by a single cable
300
What is a ROUTER?
A device that allows you to connect two or more networks in either a wired or wireless connection
400
What is DIGITAL BIT 0?
High represents the digial bit 1, where low represents ______
400
What is FIBER-OPTIC CABLE?
Uses a protected string of glass that transmits beams of light
400
What is a NETWORK?
Can be set up to work in your house, your city, or around the world
400
What is BUS TOPOLOGY?
Sends communications along the length of the bus
400
What is a SWITCH?
Join several nodes together to coordinate message traffic in one LAN network
500
What are TELEPHONE LINES?
Lines that carry your voice using an analog signal
500
What is WIRELESS TRANSMISSIONS?
Examples of this are cellular, microwaves, and satellite systems
500
What is WIDE AREA NETWORK (WAN)?
Used to share data between networks around the world
500
What is STAR TOPOLOGY?
All devices are connected to a central device
500
What is a BRIDGE?
Used to connect two networks using the same topology
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