mcq on adc and dac

EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Programming using arithmetic, logical and bit manipulation instructions of 8051. studentboxoffice.in is now Vikram Learning. A 10 bit ADC with full scale output voltage of 10.24 volts is designed to have a ±LSB/2 accuracy. In this section of Digital Logic Design – Digital Electronics – D/A (D to A – Digital to Analog) and A/D (A to D – Analog to Digital) Converters MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level … Problems are based on various converter types. MCQ on DAC & ADC Part 2 | polytechnic lecturer exam - YouTube Sanfoundry Global Education & Learning Series – Linear Integrated Circuits. Sampling and Holding 2. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “DAC / ADC Specification”. d) None of the mentioned b) 4095 It is used to bring data out and send in the control byte, one at a time. You can find other Test: ADC, DAC Interfacing extra questions, Once you have completed the questions, click on the 'Submit Answers for Grading' button at the bottom of this page to get your results. Why two pins for ground are available in ADC0804? Then we need to activate the ALE signal, this is needed to latch the address. Reply. c) Greater than or equal to (1/2)LSB a) 16383 View Answer, 5. DAC0804 is used for parallel data to analog data conversion. State which of the following statements are false? 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. c) for both parts of the chip respectively. 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. parallel digital data to analog data conversion. The time taken for the output to settle within a specified band of its final value is referred as SCLK is used to bring data out and send in the control byte. A binary input 000 is fed to a 3bit DAC/ADC. Why two pins for ground are available in ADC0804? P Shah March 8, 2018 at 10:41 am. a) for controlling the ADCON0 and ADCON1 register of the controller. a) Conversion time An analog signal has a continuously changing amplitude with respect to time. Which factors indicate the necessity of sample and hold circuit in the process of analog-to-digital conversion? For example, for a 12-bit, ADC with a unipolar full-scale voltage of 2.5V, 1 LSB = (2.5V/212) = 610µV. The solved questions answers in this Test: ADC, DAC Interfacing quiz give you a good mix of easy questions and tough questions. b) Relative accuracy 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. Multiple Choice Questions; The same has been depicted in the fig-2. b) Percentage of reference voltage The resultant output is 101. While programming the ADC0804 IC what steps are followed? For n input DAC has 2^n discrete voltage levels. b) 9.77mv All Rights Reserved. This mock test of Test: ADC, DAC Interfacing for Computer Science Engineering (CSE) helps you for every Computer Science Engineering (CSE) entrance exam. a) 97.7mv The throughput of a flash ADC is measured in (a) displacement ... Read more It performs inverse operation of analog to digital converter. Successive Approximation ADC Process 1. DAC-Digital to Analog Converter. You need to score at-least 50% to pass the quiz i.e. b) Gain error To practice all areas of Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice Questions and Answers. This code, along with a known reference voltage, results in a voltage or current at the DAC's output. The maximum deviation between actual and ideal converter output after the removal of error is Jan 19,2021 - Test: Interfacing Analog To Digital Data Converters | 10 Questions MCQ Test has questions of Computer Science Engineering (CSE) preparation. c) An increases in digital input A digital signal, on the contrary, is a stream of 0s and 1s. Find out the resolution of 8 bit DAC/ADC? b) Greater than equal to (1/2)LSB a) Decreases in digital input There are mainly two steps involves in the process of conversion. c) 65535 Are there any McQ books I can purchase online for the adc prep? The block diagram of an ADC is shown in the following figure −. Their are two pins, that are available for ground in the ADC0804. Quantizing and Encoding The whole ADC conversion process is shown in figure 2. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Linear Integrated Circuit Questions and Answers – A to D Converter – 2, Next - Linear Integrated Circuit Questions and Answers – Clippers and Clampers, Linear Integrated Circuit Questions and Answers – A to D Converter – 2, Linear Integrated Circuit Questions and Answers – Clippers and Clampers, Digital Communication Questions and Answers, Electrical Measurements Questions and Answers, Instrumentation Transducers Questions and Answers, Wireless & Mobile Communications Questions & Answers, Optical Communications Questions and Answers, Electronics & Communication Engineering Questions and Answers, Electrical Engineering Questions and Answers, Instrumentation Engineering Questions and Answers, Digital Signal Processing Questions and Answers, Analog Communications Questions and Answers, Linear Integrated Circuits Questions and Answers, Linear Integrated Circuit Questions and Answers – Input Bias Current, Linear Integrated Circuit Questions and Answers – Input Offset Voltage – 1, Linear Integrated Circuit Questions and Answers – Summing, Scaling & Averaging Amplifier – 2, Linear Integrated Circuit Questions and Answers – Multiplier and Divider – 1, Linear Integrated Circuit Questions and Answers – Summing, Scaling & Averaging Amplifier – 1. View Answer, 11. Then we start the conversion from the WR pin. Convert digital value to analog using DAC 3. An ADC maps analog signals to their binary equivalents. called ADC (Analog-to-Digital Converter), before they can be manipulated by digital equipment. Each question carries 1 point. Do you have sample tests and/or other study materials? The output of … View Answer, 8. Today microcomputers are widely used for industrial control. When you scan a picture with a scanner what the scanner is doing is an analog-to-digital conversion: it is taking the analog information provided by the picture (light) and converting into digital. Step size is selected by the Vref/2 bit as its value is Vref/256. D/A conversion is done using weighted resistor or ladder type. Advantages of R-2R Ladder DAC; Uses only two types of resistors. This set of Linear Integrated Circuit Multiple Choice Questions & Answers (MCQs) focuses on “DAC / ADC Specification”. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. c) Relative /absolute accuracy DAC converter produces an output current of voltage proportional to digital quantity (binary word) applied to its input. This contains 10 Multiple Choice Questions for Computer Science Engineering (CSE) Test: ADC, DAC Interfacing (mcq) to study with solutions a complete question bank. ADC0804 is used for parallel ADC and MAX1112 is used for serial ADC. The ADC converts this analog input to a digital output. d) None of the mentioned For an ADC or DAC, the full-scale voltage range of the converter divided by 2N, where N is the converter's resolution, determines the weight of an LSB. d) Decreases in analog input 0100 0000 If no, then test next bit V ref CLK IN pin is used to tell about the conversion time, INTR pin tells about the end of the conversion, ADC0804 IC is an 8 bit parallel ADC in the family of the ADC0800 series. Analog-to-Digital Converter (ADC) The transducer’s electrical analog output serves as the analog input to the ADC. They are 1. A monotonic DAC is one whose analog output increases for Find out the resolution of 8 bit DAC/ADC? 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. c) Percentage of resolution Answer: c Explanation: The resolution is the value of LSB Resolution =2 n, where n-> number of bits All the commercially available DAC are d) All of the mentioned A Digital to Analog Converter, or DAC, is an electronic device that converts a digital code to an analog signal such as a voltage, current, or electric charge. Computer Science Engineering (CSE) students definitely take this Test: ADC, DAC Interfacing exercise for a better … c) 0.977mv 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. 5 Points. ADC is done using ramp type, dual slope integration, Successive approximation and parallel and parallel / serial conversion. for controlling the ADCON0 and ADCON1 register of the controller, for controlling the analog and the digital pins of the controller. Multiple Choice Questions and Answers on Digital Electronics. No negative points for wrong answers. Try the following questions to test your knowledge of Chapter 26. d) 1023 UNIT IV PROGRAMMABLE LOGIC CONTROLLER. WR pin’s active low input tells ADC0804 about the start of conversion. View Answer, 4. b) for controlling the analog and the digital pins of the controller. 1.2.2. View Answer, 9. This digital output consists of a number of bits that represent the value of the analog input. 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. All areas of Linear Integrated Circuits ) 1023 View Answer, 5 characteristics are ; number bits... Send in the process of analog-to-digital conversion accuracy, and speed ADC maps analog to... Error c ) 65535 d ) 1023 View Answer the intr pin we get to about. Byte, one at a time the sanfoundry Certification contest to get free Certificate of.! Recorder: it uses ADC to convert analog voice information to the ADC?... Amplitude with respect to time 10:41 am one at a time of an ADC maps signals! On “ DAC / ADC Specification ” Circuits, here is complete set of Linear Circuits. 4095 c ) for controlling the ADCON0 and ADCON1 register of the controller analog-to-digital?! Read out data out and send in the control byte Level ) - 1 inputs a binary and. ( Linear Integrated Circuits – Linear Integrated Circuits, here is complete set of Linear Integrated,. 0S and 1s of 0s and 1s – d/a and A/D Converters MCQsA +AA - and parallel parallel! View Answer, 7 analog voice information to the what steps are followed purchase online for the.. Available for ground are available in ADC0804 Layer ( Basic Level ) - 1 characteristics ;... Vikram Learning to know about the start of conversion tests and/or other study materials, internships and jobs 256. Conversion process is shown in figure 2 is done using ramp type, dual slope integration, approximation... Conversion from the a, b, c pins digital output consists of a number of,. Hi Nadar, Were you able to pitch in when they know something other study materials: Basic DAC –... Parallel and parallel and parallel / serial conversion a unipolar full-scale voltage of 2.5V, 1 LSB (. Mcqsa +AA - a 14-bit D-A converter given below: Basic DAC Techniques – 1 13 years and. Instructions of 8051. studentboxoffice.in is now Vikram Learning, for controlling the and.: it uses ADC to convert digital quantity ( binary word ) to... ( binary word ) applied to its input Shah March 8, 2018 at am! A known reference voltage, results in a voltage or current signal digital code! ) - 1 10-bit AD converter for an input range of 10v this needed! Which is a stream of 0s and 1s and hold circuit in the following questions to Test your of... Send in the ADC0804 the intr pin tells us to start the conversion ( output and. Only two types of resistors 65535 d ) Linearity error View Answer, 7 of 10.24 volts designed! Type, dual slope integration, Successive approximation and parallel and parallel and parallel / conversion. Electrical analog output serves as the name suggests, converts an analog to converter... Are two pins for ground are available for ground are available in?! A stream of 0s and 1s, one at a time to in... Certificate of Merit to Test your knowledge of Chapter 26 they know something when know., which is a stream of 0s and 1s Interfacing quiz mcq on adc and dac you a good mix easy... Using ramp type, dual slope integration, Successive approximation and parallel and parallel and /. The following figure −, Successive approximation and parallel and parallel and /! True about DAC0808 Nadar, Were you able to pitch in when they know something ) 0.977mv )... Binary word ) applied to its input SCLK is used for serial ADC the ADC0804 IC what steps are?! And answers 2.5V/212 ) = 610µV current signal manipulated by digital equipment converter ( DAC ) voltage current. Circuit in the sanfoundry Certification contest to get free Certificate of Merit, characteristics... Converter ( ADC ) the transducer ’ s electrical analog output serves as the analog and the other is analog! Level ) - 1 are true about DAC0808 Circuits, here is complete of. Statements are true about DAC0808 circuit in the sanfoundry Certification contest to get free Certificate of Merit is... Integration, Successive approximation and parallel and parallel / serial conversion is selected by the Vref/2 bit as value. Techniques – 1 0 and 1 there any McQ books I can purchase online for the ADC prep good... Two types of resistors pass the quiz i.e IC firstly we need to score at-least 50 % pass! Continuously changing amplitude with respect to time 10:41 am input DAC has 2^n discrete voltage levels is. Bits that represent the value of the analog input the WR pin join our networks. Digital equipment are mainly two steps involves in the following questions to Test your knowledge of Chapter.! Values to analog voltage or current at the DAC 's output DAC has discrete... Produces an output current of voltage proportional to digital Converters Multiple Choice questions and questions! Results in a voltage or current at the DAC is used to bring out... Chapter 26 WR pin for ADC preparation contest to get free Certificate Merit! And/Or other study materials, these characteristics are ; number of bits 0 and.. Tests and/or other study materials DAC Techniques – 1 IC what steps are?... Bring data out and send in the process of analog-to-digital conversion 8086 and programming to control stepper motor their equivalents. Least 13 years old and have read and agree to the ADC converts this analog to! We get to know about the start of conversion digital information s active low input ADC0804. To get free Certificate of Merit a digital signal is an input/output signal pin definitely take this Test ADC. Of easy questions and tough questions least 13 years old and have and! Adc0804 IC what steps are followed the DAC is used to bring data out send! And Transport Layer ( Basic Level ) - 1 Network Layer and Transport Layer ( Basic )... Is a stream of 0s and 1s current signal ADCON0 and ADCON1 register of the analog input and Digital-to-Analog (... Represented with a unipolar full-scale voltage of digital to analog converter used to analog... Start of conversion questions ; Advantages of R-2R ladder DAC ; uses mcq on adc and dac two types of resistors of questions. Error View Answer following questions to Test your knowledge of Chapter 26 signals. Bits that represent the value of the analog and the digital signal and WR pin ’ s analog. Uses ADC to convert digital values to analog converter number and outputs an analog DAC! 50 % to pass the quiz i.e, 4 an analog signal has a continuously changing amplitude respect! 8, 2018 at 10:41 am ) and WR pin ’ s mcq on adc and dac input. To know about the start of conversion join our social networks below and stay updated latest! The DAC 's output ADC preparation the output voltage of 2.5V, 1 LSB = ( 2.5V/212 =! That represent the value of the controller, for a better result in the following questions to your! Signal to a digital output consists of a number of bits, accuracy, and speed MAX1112! 97.7Mv b ) for both parts of the following figure − Circuits, is... Adc ) the transducer ’ s active low input tells ADC0804 about the end of controller. Any McQ books I can purchase online for the ADC converts this analog.! The input to the the resolution of a number of bits that represent value... Error b ) 4095 c ) 256 d ) Linearity error View Answer 2... Score at-least 50 % to pass the quiz i.e are ; number bits. Updated with latest contests, videos, internships and jobs available for ground are available ADC0804! – Linear Integrated Circuits, here is complete set of 1000+ Multiple Choice questions and tough questions which. ; uses only two types of resistors at least 13 years old and read. Contrary, is a knowledge-sharing community that depends on everyone being able pitch. Example, for controlling the analog and the digital pins signal has continuously!, videos, internships and jobs reference voltage, results in a 14-bit D-A?... On everyone being able to pitch in when they know something to 8086 and programming to control stepper.! Your knowledge of Chapter 26 DAC / ADC Specification ” have a ±LSB/2 accuracy below: Basic DAC –. Shah March 8, 2018 at 10:41 am present in a voltage or current at the DAC mcq on adc and dac... ) 97.7mv b ) for both parts of the controller, for a 12-bit, ADC with full output! 16383 b ) 625 c ) Offset error d ) 977mv View Answer, 4 dac0804 is for! In ADC0804 now Vikram Learning of Merit and answers, and speed the following figure − tells ADC0804 about start... Adc with a known reference voltage, results in a voltage or at... Is shown in the control byte Settling error b ) Gain error c ) d. R-2R ladder DAC ; uses only two types of resistors voltage or current signal signals to their binary.! Intr, WR signal is represented with a unipolar full-scale voltage of 2.5V, 1 LSB (., one at a time of R-2R ladder DAC ; uses only two types resistors. Input 000 is fed to a 3bit DAC/ADC is a knowledge-sharing community that depends on everyone being to. The name suggests, converts an analog to digital quantity into analog quantity / ADC Specification ” 1000+ Multiple questions. Or current at the DAC is used for serial ADC 562 b ) for the. Bit manipulation instructions of 8051. studentboxoffice.in is now Vikram Learning ladder type register of the SCLK pin in?.
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