Essentials of MIS (13th Edition)
Essentials of MIS (13th Edition)
13th Edition
ISBN: 9780134802756
Author: Kenneth C. Laudon, Jane Laudon
Publisher: PEARSON
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Chapter 7, Problem 2RQ

Explanation of Solution

Computer Networks:

  • Computer networks is defined as two or more computers used to communicate with each other.
  • Group of computers can share resources and information through networks.
  • The important part of the modern world is the computer networks, because internet is based on computer networks only.

Type of computer networks:

There are three types of computer networks. They are:

  • LAN (Local Area Network)
  • MAN (Metropolitan Area Network)
  • WAN (Wide Area Network)

Signal:

The signal is generally signifies the electromagnetic or electrical encoding of data. For transferring data from one location to another location the signal is used.

There are two types of signals:

  • Analog signal
  • Digital signal

The signals which are in and around us are in the form of analog signal...

Explanation of Solution

Difference between LAN, MAN and WAN:

LANMANWAN
Within a small area a network that is used to connect the computers is called as LAN (Local Area Network).

Within several buildings in a same city a network that connects the computer is called as MAN (Metropolitan Area Network).

The large geographical area must be connected via WAN (Wide Area Network).

In the small areas, the LAN gives an interface between the computers and shares some of the resources.

It is a collection of numerous LANs and executed using high backbone methods such as fiber optical cable...

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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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