What is a bias?

Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair Biases can be innate or learned People may develop biases for or against an individual, a group, or a belief In science and engineering, a bias is a systematic error

What is the meaning of bias in electronics?

Overview In electronics, bias usually refers to a fixed DC voltage or current applied to a terminal of an electronic component such as a diode, transistor or vacuum tube in a circuit in which AC signals are also present, in order to establish proper operating conditions for the component

What are the biasing techniques?

The following discussion treats five common biasing circuits used with class-A bipolar transistor amplifiers:

Fixed bias
Collector-to-base bias
Fixed bias with emitter resistor
Voltage divider bias or potential divider
Emitter bias

What is meant by load line?

In graphical analysis of nonlinear electronic circuits, a load line is a line drawn on the characteristic curve, a graph of the current vs the voltage in a nonlinear device like a diode or transistor It represents the constraint put on the voltage and current in the nonlinear device by the external circuit

What causes DC offset?

In audio recording, a DC offset is an undesirable characteristic It occurs in the capturing of sound, before it reaches the recorder, and is normally caused by defective or low-quality equipment It results in an offset of the center of the recording waveform that can cause two main problems

What is meant by DC offset voltage?

The input offset voltage ( ) is a parameter defining the differential DC voltage required between the inputs of an amplifier, especially an operational amplifier (op-amp), to make the output zero (for voltage amplifiers, 0 volts with respect to ground or between differential outputs, depending on the output type)

What is the purpose of load line?

The purpose of the load line is to ensure that a ship has sufficient freeboard (the height from the waterline to the main deck) and thus sufficient reserve buoyancy (volume of ship above the waterline) It should also ensure adequate stability and avoid excessive stress on the ship’s hull as a result of overloading১৬ জানু, ২০১৩

What do you mean by operating point?

The operating point is a specific point within the operation characteristic of a technical device This point will be engaged because of the properties of the system and the outside influences and parameters In electronic engineering establishing an operating point is called biasing

What is the point of a transistor?

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power Transistors are one of the basic building blocks of modern electronics It is composed of semiconductor material usually with at least three terminals for connection to an external circuit

What is meant by faithful amplification?

In electronics, faithful amplification is the amplification of a signal, particularly a weak one, by a triode or a transistor such that the signal changes in amplitude but not in shape In order to achieve this with a bipolar transistor, the transistor is biased

What is meant by amplifier?

An amplifier is a circuit that has a power gain greater than one An amplifier can either be a separate piece of equipment or an electrical circuit contained within another device Amplification is fundamental to modern electronics, and amplifiers are widely used in almost all electronic equipment

What does a power amplifier do?

An audio power amplifier (or power amp) is an electronic amplifier that amplifies low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is high enough for driving loudspeakers or headphones

What is amplifier gain?

In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal It is often expressed using the logarithmic decibel (dB) units (“dB gain”)

What is meant by oscillator?

An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave or a triangle wave Oscillators convert direct current (DC) from a power supply to an alternating current (AC) signal

How does a local oscillator work?

In electronics, a local oscillator (LO) is an electronic oscillator used with a mixer to change the frequency of a signal This frequency conversion process, also called heterodyning, produces the sum and difference frequencies from the frequency of the local oscillator and frequency of the input signal

What is loop gain in oscillator?

In electronics and control system theory, loop gain is the sum of the gain, expressed as a ratio or in decibels, around a feedback loop In a feedback loop, the output of a device, process or plant is sampled and applied to alter the input, to better control the output

What is a frequency oscillator?

A variable frequency oscillator (VFO) in electronics is an oscillator whose frequency can be tuned (ie, varied) over some range It is a necessary component in any tunable radio transmitter or receiver that works by the superheterodyne principle, and controls the frequency to which the apparatus is tuned

What is the unit of frequency?

Hertz

How does a voltage controlled oscillator work?

A voltage-controlled oscillator (VCO) is an electronic oscillator whose oscillation frequency is controlled by a voltage input The applied input voltage determines the instantaneous oscillation frequency A VCO is also an integral part of a phase-locked loop

What is meant by Barkhausen criteria?

In electronics, the Barkhausen stability criterion is a mathematical condition to determine when a linear electronic circuit will oscillate It is widely used in the design of electronic oscillators, and also in the design of general negative feedback circuits such as op amps, to prevent them from oscillating

What is RC phase shift oscillator?

A phase-shift oscillator is a linear electronic oscillator circuit that produces a sine wave output It consists of an inverting amplifier element such as a transistor or op amp with its output fed back to its input through a phase-shift network consisting of resistors and capacitors in a ladder network

What is a bias?

Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair. Biases can be innate or learned. People may develop biases for or against an individual, a group, or a belief. In science and engineering, a bias is a systematic error.

What is meant by prejudice?

English Language Learners Definition of prejudice : an unfair feeling of dislike for a person or group because of race, sex, religion, etc. : a feeling of like or dislike for someone or something especially when it is not reasonable or logical. prejudice. verb.

What is prejudice short answer?

Prejudice means preconceived opinion that is not based on reason or actual experience. The word comes from the Latin “pre” (before) and “judge”. People may prejudge any question, but the word is often used for an opinion about a person or group of people.

What does Labelling mean?

Labelling or using a label is describing someone or something in a word or short phrase. For example, describing someone who has broken a law as a criminal. Labelling theory is a theory in sociology which ascribes labelling of people to control and identification of deviant behaviour.

What is text Labelling?

A label is a graphical control element which displays text on a form. A label is generally used to identify a nearby text box or other widget. Some labels can respond to events such as mouse clicks, allowing the text of the label to be copied, but this is not standard user-interface practice.

What is a label used for?

Labels may be used for any combination of identification, information, warning, instructions for use, environmental advice or advertising. They may be stickers, permanent or temporary labels or printed packaging.

What does it say on the label?

“It does exactly what it says on the tin” was originally an advertising slogan in the United Kingdom, which then became a common idiomatic phrase. It colloquially means that the name of something is an accurate description of its qualities.

What type of labels must be used in case label?

Two types of labels can be put in a switch statement. A case label consists of the keyword case , followed by an expression that evaluates to integer constant. A default label consists of the keyword default . Case labels are used to associate an integer value with a statement in the code.

What is a label in math?

In the mathematical discipline of graph theory, a graph labelling is the assignment of labels, traditionally represented by integers, to edges and/or vertices of a graph. For many applications, the edges or vertices are given labels that are meaningful in the associated domain.

What does the word label com describe in Linux?

In computing, label is a command included with some operating systems (e.g., DOS, IBM OS/2, Microsoft Windows and ReactOS). It is used to create, change, or delete a volume label on a logical drive, such as a hard disk partition or a floppy disk.

What is a word in Linux?

words is a standard file on Unix and Unix-like operating systems, and is simply a newline-delimited list of dictionary words. It is used, for instance, by spell-checking programs. On Fedora and Arch Linux, the words file is provided by the words package.

What is a glossary?

A glossary (from Ancient Greek: γλῶσσα / language, speech, wording) also known as a vocabulary or clavis, is an alphabetical list of terms in a particular domain of knowledge with the definitions for those terms.

What is a map definition?

A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes. Thus, “map” became a shortened term referring to a two-dimensional representation of the surface of the world.

What is MAP answer in one word?

A map is an image of an area, usually of the Earth or part of the Earth. A map is different from an aerial photograph because it includes interpretation. Many maps are called “charts” such as star charts and nautical charts. Before the late 20th century almost all maps were on paper.

What means globe?

A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Typically, it will also divide the celestial sphere into constellations. The word globe comes from the Latin word globus, meaning “sphere”.

What is a Globe sentence?

1. His greatest ambition is to sail round the globe. 2. He still wheels and deals around the globe. The Earth is a globe.

What’s the meaning of gloves?

A glove is a garment covering the hand. Gloves usually have separate sheaths or openings for each finger and the thumb. Gloves protect and comfort hands against cold or heat, damage by friction, abrasion or chemicals, and disease; or in turn to provide a guard for what a bare hand should not touch.

What’s a vegetation?

Vegetation is an assemblage of plant species and the ground cover they provide. It is a general term, without specific reference to particular taxa, life forms, structure, spatial extent, or any other specific botanical or geographic characteristics.

Is Grass a vegetation?

The predominant vegetation consists of grasses and forbs (small broad-leaved plants that grow with grasses). Different savannas support different grasses due to disparities in rainfall and soil conditions. Savannas receive an average annual rainfall of 76.2-101.6 cm (30-40 inches).

What is another name of jawari vegetation?

Sorghum bicolor, commonly called sorghum (/ˈsɔːrɡəm/) and also known as great millet, durra, jowari / jowar, or milo, is a grass species cultivated for its grain, which is used for food for humans, animal feed, and ethanol production….

Sorghum bicolor
Species:	S. bicolor
Binomial name
Sorghum bicolor (L.) Moench
Synonyms

What is tropical evergreens?

Tropical evergreen forests are dense, multi-layered, and harbour many types of plants and animals. These forests are found in the areas receiving heavy rainfall (more than 200 cm annual rainfall). They are very dense. Even the sunlight does not reach the ground. Numerous species of trees are found in these forests.