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Questions and Answers
How is the digital output of an ADC typically represented?
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?
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?
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?
What does a digital-to-analog converter (DAC) do?
Why are most ADCs implemented as integrated circuits (ICs)?
Why are most ADCs implemented as integrated circuits (ICs)?
Which statement about structures in C is correct?
Which statement about structures in C is correct?
How does defining a union in C differ from defining a structure?
How does defining a union in C differ from defining a structure?
What does the struct statement do in C?
What does the struct statement do in C?
What is the primary advantage of using unions in C?
What is the primary advantage of using unions in C?
How does a union statement define a new data type in C?
How does a union statement define a new data type in C?
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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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