LogixPro PLC Lab Manual for Programmable Logic Controllers
LogixPro PLC Lab Manual for Programmable Logic Controllers
5th Edition
ISBN: 9781259680847
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
Question
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Chapter 3, Problem 2P
Program Plan Intro

a.

Converting decimal numbers to binary numbers:

  • It is given that an encoder circuit is used for converting decimal numbers into binary numbers.
  • The output status of the encoder is stated as HIGH and LOW.

The truth table for the given encoder circuit is shown below.

Decimal numbersDCBA
0LLLL
1LLLH
2LLHL
3LLHH
4LHLL
5LHLH
6LHHL
7LHHH
8HLLL
9HLLH

Explanation of Solution

b.

Output status when 5 is pressed:

  • Consider that the decimal number 5 is pressed on the keyboard.
  • From the table given above, the corresponding encoded output to decimal number 5 is given below.

Explanation of Solution

c.

Output status when 7 is pressed:

  • Consider that the decimal number 7 is pressed on the keyboard.
  • From the table given above, the corresponding encoded output to decimal number 7 is given below.

Explanation of Solution

d.

Output status when 8 is pressed:

  • Consider that the decimal number 8 is pressed on the keyboard.
  • From the table given above, the corresponding encoded output to decimal number 8 is given below.

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make corrections of this program based on the errors shown. this is CIS 227 .
Create 6 users: Don, Liz, Shamir, Jose, Kate, and Sal. Create 2 groups: marketing and research. Add Shamir, Jose, and Kate to the marketing group. Add Don, Liz, and Sal to the research group. Create a shared directory for each group. Create two files to put into each directory: spreadsheetJanuary.txt meetingNotes.txt Assign access permissions to the directories:  Groups should have Read+Write access Leave owner permissions as they are  “Everyone else” should not have any access   Submit for grade: Screenshot of  /etc/passwd contents showing your new users Screenshot of /etc/group contents showing new groups with their members Screenshot of shared directories you created with files and permissions
⚫ your circuit diagrams for your basic bricks, such as AND, OR, XOR gates and 1 bit multiplexers, ⚫ your circuit diagrams for your extended full adder, designed in Section 1 and ⚫ your circuit diagrams for your 8-bit arithmetical-logical unit, designed in Section 2. 1 An Extended Full Adder In this Section, we are going to design an extended full adder circuit (EFA). That EFA takes 6 one bit inputs: aj, bj, Cin, Tin, t₁ and to. Depending on the four possible combinations of values on t₁ and to, the EFA produces 3 one bit outputs: sj, Cout and rout. The EFA can be specified in principle by a truth table with 26 = 64 entries and 3 outputs. However, as the EFA ignores certain inputs in certain cases, it is easier to work with the following overview specification, depending only on t₁ and to in the first place: t₁ to Description 00 Output Relationship Ignored Inputs Addition Mode 2 Coutsjaj + bj + Cin, Tout= 0 Tin 0 1 Shift Left Mode Sj = Cin, Cout=bj, rout = 0 rin, aj 10 1 1 Shift Right…
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