Martin Luther King, Jr.’s 1963 Speech: A Call for Racial Equality

**”I Have a Dream”**

Along with Abraham Lincoln’s Gettysburg Address, delivered one hundred years earlier, Martin Luther King, Jr.’s “I Have a Dream” speech is one of the most memorable in U.S. history. It was delivered on the steps of the Lincoln Memorial in Washington, D.C., on August 28, 1963, where nearly a quarter of a million people gathered for a March for Jobs and Freedom to urge Congress and President John F. Kennedy to pass a national civil rights bill.

The Civil Rights Movement

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Mobile Telephony: Cellular Systems, GSM, and Roaming

Mobile Telephony

What is a Cell System?

A cell system consists of dividing the service area into cells, each containing a radio station that restricts its coverage area.

Elements of a Cellular System

  • Mobile Stations (MS)
  • Base Stations (BS)
  • Mobile Switching Center (MSC)
  • Public Switched Telephone Network (PSTN)

Understanding Hand-Over and Hand-Off

These are the necessary changes to keep communication channels uninterrupted when moving from one cell to another.

Technical Characteristics of the GSM System

  • Frequency
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Millimeter Wave in Mobile Networks

Millimeter Wave Communications for Future Mobile Networks

I. Introduction

Phase 1 of 5G is being standardized in 3GPP. 5G systems are expected to support various usage applications:

  • Enhanced Mobile Broadband (eMBB)
  • Massive Machine Type Communications (mMTC)
  • Ultra Reliable Low Latency Communication (URLLC)

IMT-2020 (5G) is expected to provide the following key performance indicators (KPIs):

  • > 10 Gbit/s peak data rate
  • 100 Mbit/s user-experienced data rate
  • 3x spectrum efficiency
  • > 100 Mbps cell edge rates
  • 10
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Communication, Culture, Relationships: Key Concepts

Chapter 7: Communication Climate

Achieving your goals depends on your ability to create an effective communication climate, which is the emotional tone of the relationship between people.

  • Ethnocentrism: A perspective based on the assumption that our cultural norms are the only right ones.
  • Provisionalism: Listening with an open mind; openness to new possibilities.
  • Covert Conflict: Exists when people express disagreement or difference only indirectly.

Conflict Resolution Approaches

  • Lose-Lose: Assumes that
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Android Development: Toast, Sum, and Date/Time

Android Development: Three Practical Examples

Example 1: Displaying a “Hello World!” Toast Message

This example demonstrates how to display a simple “Hello World!” message using the Toast class in Android.

package com.example.program1;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;
import android.app.Activity;
public class MainActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState)
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Key Negotiation Terms and Tactics: Preparation to Closing

Elements of Preparation for a Negotiation

  • Reservation Point: The least favorable point at which a negotiator is willing to accept a deal. It’s essentially your “walk away” point.
  • BATNA: Stands for Best Alternative To a Negotiated Agreement. It’s your best option if the current negotiation fails. A strong BATNA can increase your negotiating power.
  • Target or Aspiration Points: These are the ideal outcomes or goals you hope to achieve in the negotiation. They represent what you’re aiming for instead of
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