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# What is HCI (Human Computer Interaction) in Electronics Engineering?

The term human–computer interaction (HCI) is used widespread since early 1980s. Second World War provided impetus …

# What is Digital to Analog Converter?

The Digital to Analog converter is an electronic device which converts digital signal to analog signal. Weighted Resistor and R-2R Ladder are its types.

# What is the CB Hybrid Model?

We use small signal transistor model to analyze h-parameters. A transistor can be treated as a two port terminal.

# What is Block Diagram of TV Communication?

The block diagram of a TV communication system consists of a TV transmitter and a receiver. The transmitter consists of two units.

# What is Minimum Mode Configuration of 8086?

The microprocessor 8086 minimum mode and maximum mode operation is decided by signal MN/MX’. When the signal MN/MX’ = 1 the 8086 minimum mode is active.

# What are CE CB CC transistor configurations?

The three basic transistor configuration are CE, CB and CC. A transistor is a three terminal device Emitter, Base and Collector.

# What is Boolean Algebra?

Boolean algebra which deals  with variables and binary numbers. This algebra helps to simplify the Boolean variables

# What is the Superposition Theorem?

Superposition theorem is applicable to circuits with linear elements. They are not applicable to power since it is a non-linear quantity.

All Electronics Blogs

# What is the Convolution Theorem?

The convolution theorem states that the transform of convolution of f1(t) and f2(t) is the product of individual transforms F1(s) and F2(s).

# What are Clippers and Clampers?

The clipper circuits are basically used to clip the portion of any input signal without changing the remaining part of the input waveform.

# What is UPS?

UPS are used widely in order to receive a continuous supply when there is no main supply available.

# What are 8051 Interrupts?

The 8051 interrupts are INT0, INT1,TO ,T1 , TI/RI. All these interrupts are controlled by IE (interrupt enable) register.

# What is a Crystal Oscillator? An important topic for exams

Crystal Oscillator is specially designed in a circuit to provide low impedance when it operates in series-resonant mode and high impedance.

# What are Programmable Logic Arrays?

The PLA consists of two programmable arrays, one of which is Programmable AND array and Programmable OR array

# What is 8255 (programmable peripheral interfaces)?￼

The 8255 microprocessor is also known as Programmable Peripheral Interface. It has 24 I/O pins. The three 8 bit ports are PA, PB, PC.

# What are Applications of DSP?

There are many applications of DSP in the present era. Such as in speech coding and compression, electrocardiography and many more.

# What is Frequency Modulation?

Frequency Modulation is the technique in which the frequency of a carrier signal is varied according to the message signal.