Is it possible to transmit the digital signal using radio transmission without any loss?

Is it possible to transmit a digital signal, e.g. coded as square wave as used inside a computer, using radio transmission without any loss? ... So, digital signals cannot be transmitted without loss.

1. How is digital data transmitted?
2. Which of the following techniques is used for transmitting digital signal?
3. Why can waves with a very low frequency follow the earth's surface Why are they not used for data transmission in computer networks?
4. How is digital data carried over long distance?
5. How is signal transmitted?
6. Can digital signal transmitted through air?
7. What is transmission of digital signal?
8. How a digital signal can be transmitted through a bandpass channel?
9. Can radio transmission transmit a digital signal?
10. Why typically is digital modulation not enough for radio transmission?
11. Why do radio waves not always follow a straight line?
12. Is used for signal transmission in data communication?
13. Can digital signal be transmitted wirelessly?
14. How can a signal we converted from analog to digital?

How is digital data transmitted?

Digital and analog signals are transmitted through electromagnetic waves. ... Digital signals are a more reliable form of transmitting information because an error in the amplitude or frequency value would have to be very large in order to cause a jump to a different value.

Which of the following techniques is used for transmitting digital signal?

In TDM, the time frame is divided into slots. This technique is used to transmit a signal over a single communication channel, by allotting one slot for each message. Of all the types of TDM, the main ones are Synchronous and Asynchronous TDM.

Why can waves with a very low frequency follow the earth's surface Why are they not used for data transmission in computer networks?

Very low frequency waves follow the Earth's surface because they are trapped between the surface and the ionosphere. ... The ionosphere conducts because ultraviolet rays from the sun tear apart some air molecules, leaving electrically charged particles (ions).

How is digital data carried over long distance?

Over such small distances, digital data may be transmitted as direct, two-level electrical signals over simple copper conductors. ... This results from the electrical distortion of signals traveling through long conductors, and from noise added to the signal as it propagates through a transmission medium.

How is signal transmitted?

In telecommunications, transmission is the process of sending and propagating an analog or digital signal using a wired, optical, or wireless electromagnetic transmission medium. ... Transmission of a digital message, or of a digitized analog signal, is known as data transmission.

Can digital signal transmitted through air?

Digital is abstract information. It is a meaning we choose to assign to physical values. This is why you cannot send a digital signal over the air as radio waves. It must be converted first into something that exists outside of abstraction, like an analog signal which represents the information to be transmitted.

What is transmission of digital signal?

Digital signals can be transmitted over transmission lines using either serial or parallel communication. With serial communication, the sequence of bits used to describe a value is sent in sequence along a single transmission line.

How a digital signal can be transmitted through a bandpass channel?

In digital passband transmission, the incoming data stream is modulated onto a carrier with fixed frequency and then transmitted over a band-pass channel. In baseband pulse transmission, a data stream represented in the form of a discrete pulse-amplitude modulated (PAM) signal is transmitted over a low- pass channel.

Can radio transmission transmit a digital signal?

a.) Is it possible to transmit a digital signal, e.g. coded as square wave as used inside a computer, using radio transmission without any loss? ... But, no transmission medium is able to transmit infinitely high frequencies, so all the time in a given bandwidth, we can only transfer an approximation of the digital signal.

Why typically is digital modulation not enough for radio transmission?

Thus, all radio systems must modulate the digital signal onto a carrier frequency using analogue modulation. ... However, many different radio stations want to transmit at the same time. Therefore, all the original signals (which use the same frequency range) must be modulated onto different carrier frequencies.

Why do radio waves not always follow a straight line?

Radio waves do not follow a straight line because of blocking objects in its path.

Is used for signal transmission in data communication?

Examples of such channels are copper wires, optical fibers, wireless communication using radio spectrum, storage media and computer buses. ... The data are represented as an electromagnetic signal, such as an electrical voltage, radiowave, microwave, or infrared signal.

Can digital signal be transmitted wirelessly?

Transmitting Data Wirelessly is Simple and Complex

In short, the transmission of data wirelessly is made possible by the manipulation of radio waves. ... These radio waves can then be modified by their amplitude or frequency in order to transmit sound or data.

How can a signal we converted from analog to digital?

ADCs follow a sequence when converting analog signals to digital. They first sample the signal, then quantify it to determine the resolution of the signal, and finally set binary values and send it to the system to read the digital signal. Two important aspects of the ADC are its sampling rate and resolution.