Home » 1 Introduction This Experiment Demonstrates The Count Sequence Of Binary Numbers And Their Use

# 1 Introduction This Experiment Demonstrates The Count Sequence Of Binary Numbers And Their Use

Transcribed Image Text from this Question1 Introduction This experiment demonstrates the count sequence of binary numbers and their use as binary encodings of decimal numbers. It also serves as an introduction to the breadboard used in the laboratory and acquaints students with the oscilloscope. Reference material from the text that may be useful can be found in sections 1.2 and 1.7. 2 Binary-coded Decimal (BCD) The BCD representation uses binary numbers from 0000 to 1001 to represent the coded decimal digits from 0 to 9. IC 7493 can be operated as a BCD instead of binary) counter by making the external connections shown. Figure 1: BCD counter 5 14 Vcc 12 Input pulses A QA 9 1 B QB 7493 8 QC 2 R1 11 QD 3 R2 GND 10 QB and QD are connected to the two reset inputs R1 and R2. When both R1 and R2 are equal to 1, all four cells in the counter clear to 0 irrespective of the input pulse. 1. Connect the 7493 IC to operate as a BCD counter. Connect the input to a pulse button and the four outputs to indicator lamps (as in Experiment 1). Verify the binary count goes from 0000 to 1001 and then repeats. Describe the internal interaction (consider the resets R1 and R2) that takes place to realize that result. 2. When the pulses into the BCD counter are continuous, the counter keeps repeating from 0000 to 1001 and back. Predict the pattern of l’s and 0’s repeated every 10 pulses for each output bit, given the list of binary numbers from 0000 to 1001. (For example, QA produces a pattern of alternate l’s and O’s.) Disconnect the pulse button from the input and connect the clock function generator (frequency ¿1 kHz). Using the oscilloscope, by dual-tracing the clock in one channel and each output in turn on the other, draw a timing diagram (include at least 12 clock cycles) for the 4 outputs relative to the clock (as for the binary counter in Experiment 1). Do the patterns you observe for the four outputs match your predictions?

Lab 13 Do Not Change Main.cpp, I Want C Code For Bst.h And Bst.cpp

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