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What hardware is needed to convert the digital signal of the computer to signals that can be transmitted through telephone lines?
modemmo-dem =MOdulatorDEModulator
How is electricity transmitted through air?
Electricity can be transmitted through air using high voltage power lines. When electricity flows through these lines, it creates an electric field that allows the energy to travel through the air to its destination.
What converts analogue signals to digital signals for transmission over telephone lines?
Actually you have this backwards, the telephone lines can only carry analogue signals (voice band, 20Hz to 3KHz) not digital signals.The device that converts digital signals to analogue signals for transmission over telephone lines is called a phone MoDem(this stands for phone modulator demodulator). At the opposite end of the line it of course converts the telephone analogue signals back to digital signals.
What hardware is used to convert the digital signals of a computer to signals that can be transmitted?
The hardware used to convert the digital signals of a computer to signals that can be transmitted is called a modem (modulator-demodulator). It converts digital data from the computer into analog signals for transmission over telephone lines or cable systems. Additionally, network interface cards (NICs) and routers can also play a role in this process by facilitating data transmission over local networks and the internet.
How is energy transferred from power stations to your home?
Energy is transferred from power stations to your home through the electrical grid. Power stations generate electricity, which is then transmitted at high voltage through power lines to substations. At the substations, the voltage is reduced for safe distribution to homes and businesses through power lines, eventually reaching your home through outlets.
Does Fiber Optic lines are immune from crosstalk?
Fiber optic lines are immune to crosstalk, which occurs when signals from one line interfere with signals on another line. This is because fiber optics carry data through light signals rather than electrical signals, eliminating the possibility of crosstalk.
Can optic ADSL function with optical fiber?
Optic ADSL, or Asymmetric Digital Subscriber Line, typically does not function with optical fiber as it is designed to work over traditional copper telephone lines. ADSL uses electrical signals transmitted over these copper lines to provide internet access. In contrast, fiber optic technology uses light signals transmitted through optical fibers, offering faster speeds and higher bandwidth. For fiber optic connections, technologies like FTTH (Fiber to the Home) or FTTC (Fiber to the Cabinet) are used instead of ADSL.
What are the types of media research?
Data can be communicated from one terminal to the central computer to other terminals through different media. These media are known as data communication channels there are cable, microwave, satellite and fiber optics. Cable is the most popular and widely used medium to transmit data from one location to another. It includes telephone line, coaxial cable, twisted pair cable etc. telephone lines are less expensive and easy method of transmitting data. Cable channels have very slow data transmitting rate. Microwaves channel are used for transmitting analog signals. But data is transmitted in analog through air via boosters rather than cables. This type of transmission is same as the television and radio transmission. Data is transmitted from one location to another. Through satellites data is also transmitted in space in the form of analog signals with very high transmission rate. Special satellites are sent into space. They are normally 20,000 to 25,000 miles above the earth. With the help of satellite, data can be transmitted to any country of the world. Optic fibers are used for digital signals. In an optical fiber, semi conductors laser transmit information in the form of light with very high speed. Regards Naren narendost@yahoo.com
We are switching to IP phones at work.?
IP phone lines work by transmitting phone signals through the cable lines, rather than through the traditional phone lines. The downside is that the phones are tied directly to the cable, and if one is out so is the other.
Is a moderm converts the digital signals from a computer into signals that can travel over a network?
Yes, a modem (modulator-demodulator) converts digital signals from a computer into analog signals that can be transmitted over various types of networks, such as telephone lines or cable systems. It also performs the reverse function, converting incoming analog signals back into digital form for the computer. This process enables communication between digital devices and external networks.
How does electricity get from a power plant to your home?
Electricity generated at a power plant is transmitted through high-voltage power lines to substations. At the substations, the voltage is reduced for distribution to homes through local power lines. The electricity enters your home through the meter and electrical panel.
What causes ghosts on your TV?
When all TV signals were analogue signals there was a much greater chance of interference by other electro-magnetic signals, such as weather and power lines etc. In addition the antenna had to be oriented correctly for good reception. If any of these were not done 'ghosting' could occur on you screen. A sort of faint second image slightly out of synchronisation with the primary image. This is far less prevealent with the advent of satellites, cable and digital signals.
