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ADC Fundamentals Quiz

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Questions and Answers

How is the digital output of an ADC typically represented?

Hexadecimal number

Floating-point number

Decimal number

Two's complement binary number (correct)

What does an analog-to-digital converter (ADC) do?

Amplifies digital signals

Converts a digital signal into an analog signal

Converts an analog signal into a digital signal (correct)

Filters out analog signals

What type of integrated circuits (ICs) are most ADCs implemented as?

Transistor-transistor logic (TTL) chips

Complementary metal–oxide–semiconductor (CMOS) chips

Programmable logic device (PLD) chips

Metal–oxide–semiconductor (MOS) mixed-signal integrated circuit chips (correct)

What does a digital-to-analog converter (DAC) do?

Converts a digital signal into an analog signal Signup and view all the answers

Why are most ADCs implemented as integrated circuits (ICs)?

Complexity and need for precisely matched components Signup and view all the answers

Which statement about structures in C is correct?

Structures allow combining data items of different kinds. Signup and view all the answers

How does defining a union in C differ from defining a structure?

Only one member can contain a value at any given time in a union. Signup and view all the answers

What does the struct statement do in C?

Defines a new data type with more than or equal to one member. Signup and view all the answers

What is the primary advantage of using unions in C?

Unions provide an efficient way of using the same memory location for multiple purposes. Signup and view all the answers

How does a union statement define a new data type in C?

In the same way as defining a structure. Signup and view all the answers

Study Notes

Analog-to-Digital Converter (ADC)

An ADC converts analog signals to digital signals that can be processed by digital circuits and computers.
The digital output of an ADC is typically represented as a binary code.

Implementation of ADCs

Most ADCs are implemented as integrated circuits (ICs) due to their compact size, low power consumption, and high speed.

Digital-to-Analog Converter (DAC)

A DAC converts digital signals to analog signals.

Structures in C

Defining a Union in C

A union is a special data type that allows storing different types of data in the same memory location.
Defining a union in C differs from defining a structure in that a union uses the same memory location for all members, whereas a structure allocates separate memory for each member.

The Struct Statement in C

The struct statement defines a new data type that allows combining multiple variables of different data types into a single unit.

Advantages of Unions in C

The primary advantage of using unions in C is efficient memory utilization, as they can store different types of data in the same memory location.

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Description

Analog-to-Digital Converter (ADC) Quiz: Test your knowledge on the fundamentals of ADC, its operation, types, and applications. Explore the conversion process and gain insights into the role of ADC in modern electronics.