Ch. 2 Slides - 1/14/2010 1 CIS 3003 Fundamentals of...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1/14/2010 1 CIS 3003 Fundamentals of Information Technology 1 Information Technology in Theory By Pelin Aksoy and Laura DeNardis Chapter 2 Understanding the Digital Domain CIS 3003 Fundamentals of Information Technology 2 Objectives Understand the difference between analog and digital representations of information Learn about techniques for transmitting and Learn about techniques for transmitting and storing digital information Understand the use of multipliers for representing, transmitting, and storing large amounts of digital information Discuss the advantages of representing 2 Discuss the advantages of representing information in digital format and using digital devices for processing, exchanging, and storing information Information Technology in Theory 1/14/2010 2 CIS 3003 Fundamentals of Information Technology 3 Emergence of the Digital Age Digital information refers to representations of numbers text sound and images as a combination of numbers, text, sound, and images as a combination of two fundamental logic symbols: 1 and 0 These symbols are also called binary symbols, binary digits, or bits Digital devices process information in the form of ones and zeros; in other words they speak a binary 3 ones and zeros; in other words, they speak a binary language Information Technology in Theory CIS 3003 Fundamentals of Information Technology 4 Emergence of the Digital Age (continued) People recognized the possibilities of digital technology They began to develop digital devices that could speak the binary language advancement To realize this, an efficient switch was needed Vacuum tube 4 Transistor Integrated circuit Information Technology in Theory 1/14/2010 3 CIS 3003 Fundamentals of Information Technology 5 Emergence of the Digital Age (continued) 5 Information Technology in Theory CIS 3003 Fundamentals of Information Technology 6 Emergence of the Digital Age (continued) 6 An integrated circuit Information Technology in Theory 1/14/2010 4 CIS 3003 Fundamentals of Information Technology 7 Emergence of the Digital Age (continued) Moores Law states that The number of devices Moore s Law states that The number of devices that can be integrated on a chip doubles every 18 months Current technology indicates that Moores Law will reach its limit in the future, so research on alternative technologies is underway 7 alternative technologies is underway Digital technology has evolved tremendously over the past few decades and will continue to evolve Information Technology in Theory CIS 3003 Fundamentals of Information Technology 8 Analog Information Digital devices process many forms of information in combinations of bits information in combinations of bits Most information we encounter is analog, not in terms of 1s and 0s When we speak, we exchange information in analog format; what we hear varies proportionally or analogously to the sound 8 proportionally, or...
View Full Document

This note was uploaded on 10/05/2010 for the course CIS CIS 3003 taught by Professor K during the Spring '10 term at University of Central Florida.

Page1 / 21

Ch. 2 Slides - 1/14/2010 1 CIS 3003 Fundamentals of...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online