Digital system

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xncev

Engineering

Digital system

Gwinnett Technical College

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Most of my questions is multiple choices and the other one is short answer the book we use is digital system principle and application for the last question on the second picture I will s

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HW-Karnaugh Maps 1. Reduce the following SOP to minimum form using the Karnaugh mapping method. Z= A +AB + BC + B'C 2. X= A'B'C'+A'B'C+A'BC'+ABC hp SECTION 4-5/KARNAUGH MAP METH CD CD CD FIGURE 4-14 Examples of CD Looping groups of eight 1s AB 0 0 O 0 octets). AB 1 1 1 1 1 1 1 AB 1 1 1 1 1 AB 0 0 0 0 X = B (a) test is 3. Be sure to show all work for full credit. 4. Total points = 55 and score will be on a percentage basis. Questions: 1. [2 pts) True or False: Taking too few sample points of an analog signal can result in an inaccurate representation of the original signal when the signal is reconstructed from the sampled data. a) True b) False 2. (2 pts) Select the correct answer: A signal that varies continuously with time is called: a) Discrete b) Multiplexed c) Analog [2 pts] Select the correct answer: One method of verifying the correct transmission of analog data uses: a) BCD b) Parity bits (even or odd) c) Aliasing 4. [2 pts] What is a nibble in reference to microcomputers? 5. [2 pts) True or false: Binary Coded Decimal (BCD) is a number system like binary. a) a) True b) False 6. [2 pts] Select the correct answer: ASCII code is used for: a) Encoders b) The transfer of alphanumeric information between a computer and external devices c) Translating BCD to Gray code 7. [2 pts) Select the correct answer: The hexadecimal number system uses what number for its base? a) 6 b) 12 c) 16 d) 8 8. [2 pts) What is the decimal (base 10) equivalent of 0101 binary? Exam! ECET 1111 Fall 2018 4. [5 pts) Write the following Boolean expression in a sum of products (SOP) form: (A + B) (C+D) 5. (5 pts] Using AND, OR and Inverter logic gates, sketch a circuit for A'(B+C') + D, where the denotes NOT on the variable. 6. (10 pts] Using Boolean algebra and theorems (13a), (8) and (6) in the textbook, simply the following: Z= A'BC' + ABC' + BC'D. where ' denotes NOT on the variable. 2
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Explanation & Answer

Attached.

HW – Karnaugh Maps
1. Reduce the following SOP to minimum form using the Karnaugh mapping method.
Z= A’ + AB + BC + B’C
A
0
0
0
0
1
1
1
1

B
0
0
1
1
0
0
1
1

C
0
1
0
1
0
1
0
1

A’
1
1
1
1
0
0
0
0

AB
0
0
0
0
0
0
1
1

BC
0
0
0
1
0
0
0
1

A
B’C
0
0
0
0
1
0
0
0

Z
1
1
1
1
1
0
1
1

A

BC 00

01

11

10

0 1

1

1

1

1 1

0

1

1

B

Z= A’

2. X’= A’B’C’ + A’B’C + A’BC’ + ABC’
A
0
0
0
0
1
1
1
1

B
0
0
1
1
0
0
1
1

C
0
1
0
1
0
1
0
1

X’=

A’B’C’
1
0
0
0
0
0
0
0

A’B’C
0
1
0
0
0
0
0
0

A’BC’
0
0
1
0
0
0
0
0

ABC’
0
0
0
0
0
0
1
0

X’
1
1
1
0
0
0
1
0

A
A

BC 00

01

10

0A’
1A

B

11

Write the following Boolean expression in a sum of products (SOP) form: (A + B). (C +D)
Using AND, OR and Inverter logic gates, sketch a circuit for A’ (B + C’) +D...


Anonymous
Really great stuff, couldn't ask for more.

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