ET220 Introduction To Digital Technology
Check your essay before you submit. See exactly what your professor sees.
See your AI and plagiarism results before your instructor does.Get the exact same report your professor uses. Trusted by 50,000+ students worldwide.
Name:
Date:
Grade:
Instructions:
Complete Part 1, then Part 2 sections of the Lab 1.1. Then, complete this Lab Report by filling in all details. Use information you gained during your experimentation to complete the answers.
Be sure to submit your lab report before the deadline.
Part 1- Binary-to-Decimal Number Conversion
Theory:
Enter the decimal, hexadecimal, and BCD numbers for each of the following binary numbers.
Binary
Hexadecimal
BCD
Decimal
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Explain major differences between binary and BCD numeric representations.
Planning:
Provide a list of places that you can obtain the datasheets for the following components:
SN74LS47 Binary to BCD Decoder
MAN72 Seven Segment Display
4116R 1-331 330 ohm Resistor Pack
Preparation:
2. Why is it important to follow ESD safety procedures when handling electronic components? What are some of the main considerations?
Wiring Procedure:
3. Complete the wiring diagram. Refer to Lab 1.1 Figure 1-4 and image 1 & 2 of the ET1220.U1.Lab.Images PowerPoint. Use MS Paint to complete the wiring diagram.
Test Procedure:
4. Record the observed values from Lab 1.1 Table 1-1. Indicate which segments are illuminated for each input setting.
Inputs
Output
Binary
Data Lines
BCD Number
Seven Segment Display
3
2
1
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
Invalid
1
0
1
1
Invalid
1
1
0
0
Invalid
1
1
0
1
Invalid
1
1
1
0
Invalid
1
1
1
1
Invalid
Troubleshooting:
5. For each trouble investigated, record your observations from Lab 1.1 Table 1-2.
Trouble
Trouble
Observations
1
LED for the C segment is open. Break the connection to pin C of the 7-segment display (remove the wire).
2
An input to the 7447 is open. Break the connection to the input A pin of the 7447 (remove the wire).
3
1000 ohm resistor is open. (Remove the 1kΩ resistor).
6. Assume that the switches are set to a binary 1000 value, but the display shows a zero. What are three possible causes for this error?
Part 2- Binary-Number Addition and Two’s Complement Subtraction
Theory:
Provide the results for the half-adder truth table.
A0
+
B0
S1S0
0
+
0
0
+
1
1
+
0
1
+
1
Provide the results for the full-adder truth table.
A0
+
B0
+
Cin
CoutS
0
+
0
+
0
1
+
0
+
0
0
+
1
+
0
0
+
0
+
1
1
+
1
+
0
1
+
0
+
1
0
+
1
+
1
1
+
1
+
1
Planning:
Provide a list of places (links) where you can obtain the datasheets for the following components:
74LS08 Quad AND Gate
74LS32 Quad OR Gate
74LC86 Quad XOR Gate
Preparation:
What are several important things you should consider before wiring your circuit?
Wiring Procedure:
Complete the adder wiring diagram. Refer to Lab 1.1 Figure 1-12 and image 10 of the ET1220.U1.Lab.Images PowerPoint. Use MS Paint to complete the wiring diagram.
Test Procedure:
Record the observed values from Lab 1.1 Table 1-3.
Switch
Switch
4
3
Decimal Value of B
2
1
Decimal Value of A
B1
B0
A1
A0
Calculated
Sum
7-Segment
Display
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
1
0
2
0
0
0
1
1
3
3
0
1
1
0
0
0
0
1
1
0
1
1
0
1
1
1
0
2
0
1
1
1
1
3
4
1
0
2
0
0
0
1
0
2
0
1
1
1
0
2
1
0
2
1
0
2
1
1
3
5
1
1
3
0
0
0
1
1
3
0
1
1
1
1
3
1
0
2
1
1
3
1
1
3
Essay writing help – ET220 Introduction To Digital Technology Online Essay Writing Agency – Essay Solving.
DO MY HOMEWORK NOW!Write my Essay. Premium essay writing services is the ideal place for homework help or essay writing service. if you are looking for affordable, high quality & non-plagiarized papers, click on the button below to place your order. Provide us with the instructions and one of our writers will deliver a unique, no plagiarism, and professional paper.
Get help with your toughest assignments and get them solved by a Reliable Custom Papers Writing Company. Save time, money and get quality papers. Buying an excellent plagiarism-free paper is a piece of cake!
All our papers are written from scratch. We can cover any assignment/essay in your field of study.
