PowerPoint Presentation Slide 1

Digital Communication

• Where image text or sound is converted into binary numbers- ones and zeroes ( 0/1)
• Digital codes can duplicate, track store or play back complex kinds of content
• Strong when combined with ever greater chip capacity in computers, and bundles of glass fibre ( fibre optics) capable of carrying large quantities of information
• Current “revolution”: the Digital Video Disk
• DVDs: higher resolution, no rewinding,now coming recordable for storage and intending to replace CDS
• Also: wireless Internet ( games on the cell phone)