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In data communication, signals refer to the variations in physical quantities that carry information over a medium. These signals can be analog or digital, with analog signals representing data as continuous waves and digital signals encoding data in discrete binary values. The transmission of these signals enables the exchange of information between devices over various channels, such as wired or wireless networks. Effective signal transmission is crucial for ensuring data integrity and communication reliability.
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Which OSI is responsible for managing optical signals used for data communication?
physical
Which osi layer is responsible for managing opticals signals used for data communication?
physical
Which OSI LAYER responsible for managing optical signals use data communication?
physical
What are the key Tasks must be performed in data communication system?
In a data communication system, key tasks include signal generation, where data is converted into signals for transmission; transmission, which involves sending these signals over a communication medium; and reception, where the signals are captured and converted back into usable data. Additionally, error detection and correction mechanisms are essential to ensure data integrity during transmission. Finally, proper protocol management is crucial for ensuring that different devices communicate effectively and understand each other.
What is the purpose of the physical layer in data communication?
to convert a frame into a series of signals to be transmitted on the local media
What is a purpose of of the physical layer in data communication?
to convert a frame into a series of signals to be transmitted on the local media
What is the use of bts?
BTS is Base trans-receiver station in Mobile communication. It is the base station which receives signals from mobile station. It sends the data or signals to the mobiles.
What Technology used to modify analog signals to make them suitable for carrying data over a communication path?
MODEM (Modulator - Demodulator)modulates Digitals signals to Analog to send over Telephone lines and Demodulates Analog signals in Digital Signals.
How they communicate with spaceship from earth?
Communication with spaceships is typically done using radio waves. The spaceship sends signals back to Earth, and vice versa, through antennas on both ends. These signals can carry information such as telemetry data, commands, and communication with astronauts on board.
Why are microwaves ideal for transmitting satellite communication signals?
Microwaves are ideal for transmitting satellite communication signals because they have a short wavelength, allowing them to carry large amounts of data quickly and efficiently over long distances without interference from the Earth's atmosphere.
What energy transformation are in a wifi?
In a Wi-Fi system, electrical energy is transformed into electromagnetic energy. The router converts electrical signals into radio waves, which then transmit data wirelessly. When a device receives these signals, the radio waves are transformed back into electrical signals, enabling communication and data transfer. This process allows for wireless connectivity and data exchange between devices.
What is light signals bandwidth?
The bandwidth of light signals refers to the range of frequencies or wavelengths over which the signal can be transmitted. This bandwidth determines the amount of data that can be transferred over the optical communication system. A wider bandwidth allows for higher data transmission rates.
