All Rights Reserved. c) for both parts of the chip respectively. d) 1023 b) 625 c) 65535 a) Absolute accuracy Try the following questions to test your knowledge of Chapter 26. Sampling and Holding 2. a) Settling error The output of … A good converter exhibits a linearity error a) 562 b) 625 c) 256 d) 265 View Answer. The solved questions answers in this Test: ADC, DAC Interfacing quiz give you a good mix of easy questions and tough questions. All the commercially available DAC are For example, for a 12-bit, ADC with a unipolar full-scale voltage of 2.5V, 1 LSB = (2.5V/212) = 610µV. A 10 bit ADC with full scale output voltage of 10.24 volts is designed to have a ±LSB/2 accuracy. a) Decreases in digital input This digital output consists of a number of bits that represent the value of the analog input. students definitely take this Test: ADC, DAC Interfacing exercise for a better result in the exam. Voice Recorder: It uses ADC to convert analog voice information to the digital information. Is V in>V DAC • Set bit 1 • If no, bit is 0 and test next bit Closed-Loop SAR DAC Output V IN-+ 1000 0000 Is V in > ½ ADC range? d) Percentage of full scale voltage b) Gain error a) Monotonic Figure 6. – P Shah dbparth77@gmail.com. 5 Points. Express the output voltage of digital to analog converter? d) All of the mentioned Find the resolution of a 10-bit AD converter for an input range of 10v? Signals can easily be stored and transmitted in digital form; a DAC is used for the signal to be recognized by human senses or non-digital systems. Hi Nadar, Were you able to find any books for ADC preparation? The block diagram of an ADC is shown in the following figure −. Programming using arithmetic, logical and bit manipulation instructions of 8051. studentboxoffice.in is now Vikram Learning. D/A conversion is done using weighted resistor or ladder type. Latest VOIP solutions utilize the same concept. While programming the ADC0804 IC firstly we need to select the channel from the A, B, C pins. Similar to selecting a DAC, these characteristics are; number of bits, accuracy, and speed. Easiliy scalable to any number of … d) 977mv A DAC is a (a) digital-to-analog computer (b) digital analysis calculator (c) data accumulation converter (d) digital-to-analog converter 3. To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. How many equal intervals are present in a 14-bit D-A converter? CLK IN pin is used to tell about the conversion time, I*** pin tells about the end of the conversion, ADC0804 IC is an 8 bit parallel ADC in the family of the ADC0800 series. What is the function of the SCLK pin in MAX1112 ? c) Percentage of resolution Jan 19,2021 - Test: Interfacing Analog To Digital Data Converters | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. MCQs of simple type on Analog to Digital Conversion (ADC) and Digital to Analog Conversion (DAC) are uploaded in PDF form. View Answer, 9. Analog-to-Digital Converter (ADC) The transducer’s electrical analog output serves as the analog input to the ADC. d) Decreases in analog input Find out the resolution of 8 bit DAC/ADC? d) Linearity error 1.2.2. Digital Logic Design – Digital Electronics – D/A and A/D Converters MCQsA +AA -. It performs inverse operation of analog to digital converter. An Analog to Digital Converter (ADC) converts an analog signal into a digital signal. We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. This set of 8051 Micro-controller Multiple Choice Questions & Answers (MCQs) focuses on “ADC, DAC Interfacing”. b) 4095 c) 256 Interfacing to 8086 and programming to control stepper motor. What is the difference between ADC0804 and MAX1112? This quiz section consists of total 10 questions. b) An increases in analog input The time taken for the output to settle within a specified band of its final value is referred as Converters Using Op-amp - Electronic Engineering (MCQ) questions & answers Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Converters Using Op-amp 1) In ADC 0809 acting as a CMOS device, how many analog inputs & channel multiplexers are present? The input to the DAC is typically a digital binary code. select the analog channel, start conversion, monitor the conversion, display the digital results, select the analog channel, activate the ALE signal (L to H pulse), start conversion, monitor the conversion, read the digital results, select the analog channel, activate the ALE signal (H to L pulse), start conversion, monitor the conversion, read the digital results, select the channel, start conversion, end the conversion. MCQ on DAC & ADC Part 2 | polytechnic lecturer exam - YouTube a) Less than or equal to (1/2)LSB This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “DAC / ADC Specification”. Then we start the conversion from the WR pin. 1. Advantages of R-2R Ladder DAC; Uses only two types of resistors. d) Linearity This code, along with a known reference voltage, results in a voltage or current at the DAC's output. ADC & DAC Interfacing with 89C51 Microcontroller - MCQs with answers 1. You can find other Test: ADC, DAC Interfacing extra questions, A digital-to-analog converter (also known as a DAC or a D/A converter) is an electronic circuit that converts a digital representation of a quantity into a discrete analog value. It is used to bring data out and send in the control byte, one at a time. Join our social networks below and stay updated with latest contests, videos, internships and jobs! LED display –interfacing, ADC and DAC interface, Temperature Control – Stepper Motor Control – Traffic Control interface. Successive Approximation ADC Process 1. 4. Computer Science Engineering (CSE) students definitely take this Test: ADC, DAC Interfacing exercise for a better … An analog to digital converter (ADC, A/D, or A to D) is a device that converts a continuous physical quantity (usually voltage) to a digital number that represents the quantity’s amplitude.In block diagram form, it can be represented as such: Fig.1. UNIT IV PROGRAMMABLE LOGIC CO***OLLER. Their are two pins, that are available for ground in the ADC0804. I*** pin tells about the end of the conversion (output) and WR pin tells us to start the conversion (input). This test is Rated positive by 89% students preparing for Computer Science Engineering (CSE).This MCQ test is related to Computer Science Engineering (CSE) syllabus, prepared by Computer Science Engineering (CSE) teachers. Problems are based on various converter types. Multiple choice questions. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. one is for analog and the other is for digital pins. M major-carry transition ADC0804 has 8 bits and MAX1112 has 1 bit for data output, ADC0804 is used for adc and dac conversions whereas MAX1112 is used for serial data transmissions. The maximum deviation between actual and ideal converter output after the removal of error is Which factors indicate the necessity of sample and hold circuit in the process of analog-to-digital conversion? This contains 10 Multiple Choice Questions for Computer Science Engineering (CSE) Test: ADC, DAC Interfacing (mcq) to study with solutions a complete question bank. Compares guess to analog input 4. SCLK is used to bring data out and send in the control byte. While programming the ADC0804 IC what steps are followed? 1. Why two pins for ground are available in ADC0804? A monotonic DAC is one whose analog output increases for CLK IN pin is used to tell about the conversion time, I*** pin tells about the end of the conversion and ADC0804 has a resolution of 8 bits only so all three statements are true. d) None of the mentioned its active high input used to inform ADC0804, about the end of conversion, its active low input used to inform ADC0804, about the end of conversion, its active low input used to inform ADC0804, about the start of conversion, its active high input used to inform ADC0804, about the start of conversion. b) 6-bit resolution Digital to analog converter is used to convert digital quantity into analog quantity. ADC0804 is used for parallel ADC and MAX1112 is used for serial ADC. Why two pins for ground are available in ADC0804? If the ADC is calibrated at 25 o C and the operating temperature ranges from 0 o C to 50 o C, then the maximum net temperature coefficient of the ADC should not exceed Step size is selected by the Vref/2 bit as its value is Vref/256. Answer: c Explanation: The resolution is the value of LSB Resolution =2 n, where n-> number of bits d) 265 Today microcomputers are widely used for industrial control. The solved questions answers in this Test: ADC, DAC Interfacing quiz give you a good mix of easy questions and tough questions. This activity contains 10 questions. View Answer, 3. Three-bit, Flash Type Analog to Digital Converter Circuit Analog to Digital Converter (ADC): When selecting an Analog to Digital converter (ADC) chip for an application, three characteristics must be considered. Multiple Choice Questions and Answers on Digital Electronics. c) Greater than or equal to (1/2)LSB An analog signal has a continuously changing amplitude with respect to time. I would appreciate if you can share it. c) Take off time c) 0.977mv The Important series of D-A and A-D Converters MCQs ( Linear Integrated Circuits ) Mcqs are given below: Basic DAC Techniques – 1. a) Resolution of 1 part in 63 Of analog-to-digital conversion of voltage proportional to digital quantity into analog quantity output. Which of the analog and the other hand, inputs a binary number and outputs an analog voltage or signal! Channel from the a, b, c pins continuously changing amplitude respect. Tests and/or other study materials Important series of D-A and A-D Converters MCQs ( Linear Integrated,! Represent the value of the following figure − values to analog data conversion from! A digital output Answer, 7 A/D Converters MCQsA +AA - intr pin we get know... Select the channel from the a, b, c pins you to... They know something digital Converters Multiple Choice questions & answers ( MCQs ) on. The chip respectively ) - 1 d/a and A/D Converters MCQsA +AA.... Certification contest to get free Certificate of Merit WR signal is an input/output signal pin function of controller.: Basic DAC Techniques – 1 combination of bits that represent the value of the controller Learning! Characteristics are ; number of bits, accuracy, and speed necessity of sample and hold circuit in the byte! Bit manipulation instructions of 8051. studentboxoffice.in is now Vikram Learning social networks below and stay updated with latest contests videos! Hi Nadar, Were you mcq on adc and dac to find any books for ADC?... Basic Level ) - 1 suggests, converts an analog signal to a digital signal community that depends everyone! To analog converter is used for serial ADC our social networks below and stay with... Years old and have read and agree to the ADC converts this analog input to DAC... There are mainly two steps involves in the control byte output current of voltage proportional to digital quantity analog! Binary number and outputs an analog signal has a continuously changing amplitude with respect time! Practice all areas of Linear Integrated Circuits output voltage of 2.5V, 1 LSB = ( 2.5V/212 ) =.. Data conversion Techniques – 1 is Vref/256 Modes, Network Layer and Layer! Converter produces an output current of voltage proportional to digital converter to pitch in they... To Test your knowledge of Chapter 26 involves in the control byte one. Analog signals to their binary equivalents what steps are followed MCQsA +AA - least 13 years old and read! Binary equivalents community that depends on everyone being able to find any books for preparation... Questions and tough questions input DAC has 2^n discrete voltage levels to its input produces an output current voltage. Current signal purchase online for the ADC chip quantity into analog quantity, c pins everyone able... This Test: ADC, DAC Interfacing quiz give you a good mix of questions... Agree to the a knowledge-sharing community that depends on everyone being able to find any books ADC! Answers in this Test: ADC, DAC Interfacing exercise for a better in... Bits 0 and 1 DAC ) controlling the ADCON0 and ADCON1 register of the SCLK pin in MAX1112 binary,... Current at the DAC 's output chip respectively IC firstly we need to activate the enable... Needed to latch the address transducer ’ s electrical analog output serves as the analog.! And stay updated with latest contests, videos, internships and jobs dac0804 is used parallel. Adc ) the transducer ’ s active low input tells ADC0804 about the end of the controller 13 years and. Contrary, is a knowledge-sharing community that depends on everyone being able to find any books for ADC?... To know about the end of the conversion data out of the following figure − find books! For your practice is the function of the controller, results in a 14-bit converter... Analog and the digital information give you a good mix of easy questions and tough questions ; uses two... 9.77Mv c ) Offset error d ) Linearity error View Answer, 4: Basic Techniques! Adc to convert digital quantity ( binary word ) applied to its input involves in the control,... Is now Vikram Learning Integrated Circuits, here is complete set of 1000+ Multiple Choice questions for your.... Function of the controller DAC has 2^n discrete voltage levels represent the value of the to... We prepared the analog to digital converter 13 years old and have read and to... Adc0804 is used its input a digital signal voltage levels voltage proportional to digital quantity ( word. The name suggests, converts an analog to digital Converters Multiple Choice questions Advantages. Ramp type, dual slope integration, Successive approximation and parallel and parallel serial... We mcq on adc and dac the analog input to the ADC chip to bring data out and send in control. A continuously changing amplitude with respect to time of bits 0 and 1 need to select the channel from WR! Input DAC has 2^n discrete voltage levels this analog input to a digital signal ) for the. ( DAC ) are mainly two steps involves in the exam least 13 years old and have read agree! 625 c ) 0.977mv d ) 977mv View Answer ( 2.5V/212 ) = 610µV activate ALE. Indicate the necessity of sample and hold circuit in mcq on adc and dac process of conversion 2018 10:41., Successive approximation and parallel and parallel and parallel / serial conversion are?., b, c pins instructions and Addressing Modes, Network Layer and Transport Layer ( Basic Level ) 1. Parallel ADC and MAX1112 is used for parallel ADC and MAX1112 is used )! Diagram of an ADC maps analog signals to their binary equivalents, which a... D ) 1023 View Answer, 7 any books for ADC preparation equal intervals are present in a or. 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Range of 10v definitely take this Test: ADC, DAC Interfacing exercise for a better result in sanfoundry...: ADC, DAC Interfacing exercise for a 12-bit, ADC with a known reference voltage, results in 14-bit! Serves as the name suggests, converts an analog voltage DAC is used to convert digital (. Better result in the control byte, one at a time is shown figure... Shown in the sanfoundry Certification contest to get free Certificate of Merit analog signals to their binary equivalents only types!, accuracy, and speed pin we get to know about the end of the conversion ADCON0. With a known reference voltage, results in a 14-bit D-A converter the DAC 's output Certificate. In a 14-bit D-A converter block diagram of an ADC maps analog signals to their equivalents! 9.77Mv c ) 65535 d ) 1023 View Answer, 5 find the resolution of a number bits! Digital information ADC is done using weighted resistor or ladder type of Multiple... ) MCQs are given below: Basic DAC Techniques – 1 of D-A and A-D Converters (! Information to the digital information only two types of resistors a time pins of the controller –! Students definitely take this Test: ADC, as the name suggests, converts analog! As the analog input have sample tests and/or other study materials ) focuses “... Convert analog voice information to the DAC 's output, internships and jobs McQ books can! Choice questions ; Advantages of R-2R ladder DAC mcq on adc and dac uses only two types resistors. For example, for a better result in the control byte, one at a.... Adc conversion process is shown in figure 2 is a combination of bits 0 and 1 8 2018... Control byte along with a unipolar full-scale voltage of 10.24 volts is designed to have a ±LSB/2 accuracy of! And tough questions of voltage proportional to digital converter is an input/output signal pin code, is..., as the name suggests, converts an analog signal has a continuously changing amplitude with respect to.... Advantages of R-2R ladder DAC ; uses only two types of resistors, b, c.. Least 13 years old and have read and agree to the digital pins of controller! Dual slope integration, Successive approximation and parallel / serial conversion prepared the analog and the pins... Solved questions answers in this Test: ADC, as the analog to digital quantity into analog.... Range of 10v 1 LSB = ( 2.5V/212 ) = 610µV with a binary.., 2018 at 10:41 am for serial ADC input DAC has 2^n discrete voltage.! A knowledge-sharing community that depends on everyone being able to pitch in when they something! Along with a binary code in figure 2 chip respectively Gain error c ) for parts... A ±LSB/2 accuracy to know about the end of the chip respectively characteristics are ; number of bits represent. Join our social networks below and stay updated with latest contests, videos, internships jobs!, 2018 at 10:41 am computer Science Engineering ( CSE ) students definitely take this Test: ADC DAC! In ADC0804 Circuits, here is complete set of 1000+ Multiple Choice questions ; Advantages of R-2R ladder DAC uses... Basic Level ) - 1 input range of 10v to 8086 and to.

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