A computer needs both hardware and software to work
A PC is a self-contained computer with input, processing, storage, and output
A desktop computer includes a system unit and a separate monitor, keyboard, and mouse
A mobile computer is a computer that can be moved around
A typical laptop (notebook) has a monitor that when swiveled up reveals a keyboard with the remaining
components housed below
A netbook is a small notebook designed primarily for email and internet access.
Ultabooks are thinner, lighter and more powerful notebooks.
A tablet PC is a lightweight notebook with a smaller screen that you interact with using touch or a digital
Mobile Devices, Wearable Computers and Embedded Computers
Computers for Connecting Multiple Users and Specialized
Computer Innovations and Converging Technologies
Information Technology and the Information Processing cycle
Using computers and other electronic devices in an environmentally responsible manner is known as green
Green computing practices, policies and procedures strive to reduce energy consumption; reduce use of
paper and paper supplies; and reuse, recycle or properly dispose of electronics
Five ways to practice Green Computing
Use Energy Star rated devices
turn off or unplug devices when not in use
reduce printing of documents
modify power options on your computers
resell or donate old equipment
Computers and Your Health
Technology on the World Stage
Recent political and global issues have shown that modern technology has greatly affected society.
By January 2011, Egypt "shut down" the Internet for the entire country due to conflict that came up with a
Facebook page in recognition of an Egyptian man who was tortured and killed by authorities.
Protests against the shutting down of the Internet became violent, and Internet access was restored a few
In December 2007, Kenya had the closest presidential election in history. Suspicion of electoral fraud had
been brought to attention.
Due to this, Ory Okolloh created a blog to inform the public of the issue.
Her use of social networking eventually yielded a platform called Ushahidi, which is a crisis map