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A comprehensive overview of various digital circuit components and their applications, including decoders, encoders, multiplexers, demultiplexers, buses, analog-to-digital and digital-to-analog converters, and different types of analog-to-digital conversion techniques. The key concepts, definitions, and correct answers to questions related to these digital fundamentals, making it a valuable resource for students and professionals studying or working in the field of digital electronics and computer architecture. The detailed explanations and examples provided in the document can help readers gain a deeper understanding of the underlying principles and practical applications of these digital components and circuits.
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A logic circuit that accepts a set of inputs that represents a binary number and activates only the output that corresponds to that input number - Correct Answer ✅Decoder widely used in the memory system of a computer where they respond to the address code generated by the central processor to activate a particular memory location. - Correct Answer ✅Decoders in Computers a combinational circuit that generates a specific code at its outputs such as binary or BCD in response to one or more active inputs. - Correct Answer ✅Encoder converts one of 2^n inputs into an n-bit output - Correct Answer ✅Binary Encoder another type of combinational circuit similar to a binary encoder, except that it generates an output code based on the highest prioritized input. - Correct Answer ✅Priority Encoder
a logic circuit that accepts several digital data inputs and selects one of them at any given time to pass on to the output. - Correct Answer ✅Multiplexer A logic circuit that takes a single input and distributes it over several outputs. - Correct Answer ✅Demultiplexer (Data Distributors) All of the basic components of the computer are tied together by communication paths - Correct Answer ✅Buses of a Computer a unidirectional pathway that carries addresses generated by the CPU to the memory and I/O elements of the computer. - Correct Answer ✅Address Bus Bi-directional in nature, data flows along this bus from the CPU to memory and I/O, or vice-versa, depending on whether the CPU is performing a Read Or Write operation. - Correct Answer ✅Data Bus
the presence of unwanted components in the reconstructed signal. These components were not present when the original signal was sampled. - Correct Answer ✅Aliasing Once a conversion is triggered, the counter starts counting in binary and its output fed to the DAC. - Correct Answer ✅Ramp ADC Very similar to the ramp method except that it uses an integrator instead of a DAC. - Correct Answer ✅Single-Slope ADC The sampled signal charges a capacitor for a fixed amount of time. - Correct Answer ✅Dual Slope ADC feeds binary search values (1's), starting with the MSB, into the D/A converter and checks the status of the Comparator output. - Correct Answer ✅succesive approximations
A multi-level voltage divider is used to set voltage levels over the complete range of conversion. - Correct Answer ✅Flash Conversion Oversampled input signal goes in the integrator. Output of integration is compared to GND. Iterates to produce a serial bitstream. Output is serial bit stream with # of 1's proportional to Vin. - Correct Answer ✅Sigma-Delta