*Computer technology and digital media play an essential role in how individuals work, live, play, and, more importantly, learn.

*The Use of computers :

1. Access information: as tools to access information and to communicate with others around the world.

2. At home, work, and school, computers help people, Communicate faster and more accurately .

3. Used in education, entertainment, information management, and business purposes .

4. In classroom, teachers use it to instruct and students learn from it.

*Levels of computer literacy:

1-Computer literacy.

2-Information literacy.

3-Integration literacy.

*The Evolution (Development) of Computers and Digital Media.

*What is Communications?

A process in which two or more computers or devices transfer data, instructions, and information.

*Communication Devices.

*Networking the Classroom, School, and District :

1-School network server.

2-Example classroom:

-Three Macintosh computers.

-Printer.

3-Example school network:

• Classrooms.

• Administration.

• Computer lab

What is Digital Media?

• Multimedia incorporates a variety of elements,  including text, graphics, audio, video, and  animation.

  
  

  Why Are Digital Media and Educational Software  Applications Important for Education?

  1.Interactivity is one of the major features of digital media  applications.

  2.Students retain 50% of what the see and hear

  3.Students retain as much as 80% when they see, hear,  and interact with the learning environment.

  4.Digital media appeals to a variety of learning styles.

  5.Students become actively involved in the learning  process

  6.Students’ increased retention.

  7.Students are motivated by and enjoy the process of  creating  presentations.

What is a computer security risk?

• Computer security risk: Any event or action that has the potential of causing a loss of computer equipment, software, data and information, or processing capability

• Some of these risks, such as viruses, unauthorized access and use, and information theft, are a result of deliberate acts that are against the law.

• Computer Crime is referred to any illegal act involving a computer generally.

  
  

  What is a computer virus?

• Computer virus is potentially damaging program that affects computer negatively by altering the way computer works without your knowledge or permission.

• A computer virus is a segment of program code that implants itself in a computer file and spreads systematically from one file to another.

• Computer viruses do not generate by chance. Creators of virus programs write them for a specific purpose.

  Three main types of viruses exist:

• 1. Boot Sector Virus – replaces your boot program used to start the computer with a modified, infected version of the boot program.

• 2. File Virus – inserts virus code into program files; the virus then spreads to any program that accesses the infected file.

• 3. Macro Virus –uses the macro language of an application to hide virus code, such as Spread Sheet and Excel.