2. COMP LIT FALL SEMESTER INPUT & OUTPUT

3. GET OUT YOUR NOTEBOOKS AND PENS! NO SLEEPING, NO EATING, NO TALKING! LISTEN, LOOK, AND THINK. TAKE NOTES & ASK QUESTIONS. YOU WILL SEE THIS MATERIAL AGAIN! GET OUT YOUR NOTEBOOKS AND PENS! NO SLEEPING, NO EATING, NO TALKING! LISTEN, LOOK, AND THINK. TAKE NOTES & ASK QUESTIONS. YOU WILL SEE THIS MATERIAL AGAIN!

4. DO NOT SIT THERE AND NOT UNDERSTAND! SOME OF THIS STUFF MIGHT SEEM A LTTLE WIERD AND CONFUSING. IF IT IS YOU MUST TELL ME! DO NOT BE EMBARRASED. I WILL EXPLAIN IT SO YOU CAN UNDERSTAND. IS EVERYBODY ON BOARD? DO NOT SIT THERE AND NOT UNDERSTAND! SOME OF THIS STUFF MIGHT SEEM A LTTLE WIERD AND CONFUSING. IF IT IS YOU MUST TELL ME! DO NOT BE EMBARRASED. I WILL EXPLAIN IT SO YOU CAN UNDERSTAND. IS EVERYBODY ON BOARD?

5. REMEMBER… IF YOU SEE IT ON THE BOARD OR THE COMPUTER IT SHOULD BE IN YOUR NOTES! YOU WILL SEE THIS MATERIAL AGAIN! ALL WORK DONE ON TIME AND TURNED IN ON TIME! REMEMBER… IF YOU SEE IT ON THE BOARD OR THE COMPUTER IT SHOULD BE IN YOUR NOTES! YOU WILL SEE THIS MATERIAL AGAIN! ALL WORK DONE ON TIME AND TURNED IN ON TIME!

6. Once again: If you don’t “get it” then you must either… 1. Say so or 2. Ask a question Once again: If you don’t “get it” then you must either… 1. Say so or 2. Ask a question

7. NEVER BE AFRAID OR EMBARASSED TO ASK A QUESTION! ASKING QUESTION ABOUT WHAT YOU DON’T KNOW OR UNDERSTAND IS HOW YOU LEARN. DON’T WORRY ABOUT WHAT OTHERS THINK OR THINK THEY KNOW. THAT DOESN’T HELP YOU. NEVER BE AFRAID OR EMBARASSED TO ASK A QUESTION! ASKING QUESTION ABOUT WHAT YOU DON’T KNOW OR UNDERSTAND IS HOW YOU LEARN. DON’T WORRY ABOUT WHAT OTHERS THINK OR THINK THEY KNOW. THAT DOESN’T HELP YOU.

8. & &

9. Just one “heads up”, word of caution or word of warning to you about INPUT and OUTPUT devices. Some devices are INPUT ONLY Some devices are OUTPUT ONLY but There are some devices that can act like or be used as both INPUT and OUTPUT Just one “heads up”, word of caution or word of warning to you about INPUT and OUTPUT devices. Some devices are INPUT ONLY Some devices are OUTPUT ONLY but There are some devices that can act like or be used as both INPUT and OUTPUT

10. DEVICES THAT CAN BE USED FOR BOTH INPUT AND OUTPUT They can be input devices or output devices DEVICES THAT CAN BE USED FOR BOTH INPUT AND OUTPUT They can be input devices or output devices

11. The devices on the next slides can be used as an input device - to put information into the computer, and also as an output device - to take information out of the computer. Notice that most are about storage. The devices on the next slides can be used as an input device - to put information into the computer, and also as an output device - to take information out of the computer. Notice that most are about storage.

12.  Tape drives magnetic tape cassette, reel to reel, external tape drive, cartridge (rarely used anymore)  Tape drives magnetic tape cassette, reel to reel, external tape drive, cartridge (rarely used anymore)

13.  Floppy disk drives 8”, 5.25” (nobody uses these anymore), 3.5”  Floppy disk drives 8”, 5.25” (nobody uses these anymore), 3.5”

14.  Hard disk drives INTERNAL HARD DISK DRIVE EXTERNAL HARD DISK DRIVE

15.  Optical disk drives CD’s & DVD’s (not all - only certain types are I/O),  Optical disk drives CD’s & DVD’s (not all - only certain types are I/O),

16.  Zip drives 1OO MB, 250 MB, JAZ DRIVE etc.  Zip drives 1OO MB, 250 MB, JAZ DRIVE etc.

17. 1USB connector 2 USB mass storage controller device 3Test points 4Flash memory chip 5Crystal oscillator 6LED 7Write-protect switch 8 Space for second flash memory chip  Flash drives cruzer, mini-cruzer, travel, thumb, etc.  Flash drives cruzer, mini-cruzer, travel, thumb, etc.

18.  Magnetic strip  Smart card

19. Internal modems these are built into the computer External modems a box you attach to the computer Internal modems these are built into the computer External modems a box you attach to the computer  Modems

20. About Modems… A modem uses a telephone line or cable to connect your computer to the outside world. Computers process information as digital signals.

21. The problem is phone lines are designed to carry sound waves, which are analog signals, and not computer information which are digital signals.

22. A modem changes digital signals to analog signals and then analog signals back to digital signals. The word MODEM stands for MODULATOR – DEMODULATOR. A modem changes digital signals to analog signals and then analog signals back to digital signals. The word MODEM stands for MODULATOR – DEMODULATOR.

23. Modems allow you to go on the internet, send and receive e-mail and send and receive faxes (Facsimile Transmission). Original AT&T dataphone (phone modems) 1960 Acoustically coupled modem

24. DO NOT CONFUSE DIAL UP 56K MODEMS WITH BROADBAND HIGH SPEED INTERNET CONNECTIONS LIKE ISDN, DSL, CABLE, HIGH SPEED DIGITAL CONNECTONS or T1 & T3 LINES regular modular phone connector Ethernet connector

25. DSL Modem Cable Modem Wireless router

26. Optical media types (some are input only) Laserdisc (LD), Video Single Disc (VSD) Compact Disc (CD): Red Book, CD-ROM, CD-R, CD-RW, 5.1 Music Dis, SACD, PhotoCD, CD Video (CDV), Video CD (VCD), SVCD, CD+G, CD-Text, CD-ROM XA, CD-i GD-ROM MiniDisc (MD) (Hi-MD)

27. Optical media types (some are input only) DVD: DVD-R, DVD+R, DVD-R DL, DVD+R DL, DVD-RW, DVD+RW, DVD-RW DL, DVD+RW DL, DVD-RAM, DVD-D Ultra Density Optical (UDO) Universal Media Disc (UMD) HD DVD: HD DVD-R, HD DVD-RW

28. Optical media types (some are input only) Blu-ray Disc (BD): BD-R, BD-RE High-Definition Versatile Disc (HVD) High definition Versatile Multilayer Disc (HD VMD)

30. REMEMBER: YOU WILL SEE THIS MATERIAL AGAIN! MAKE SURE IT’S IN YOUR NOTES AND THAT YOU KNOW IT AND UNDERSTAND IT. REMEMBER: YOU WILL SEE THIS MATERIAL AGAIN! MAKE SURE IT’S IN YOUR NOTES AND THAT YOU KNOW IT AND UNDERSTAND IT.

31. REMEMBER … ALL HOMEWORK DONE ON TIME AND TURNED IN ON TIME! REMEMBER … ALL HOMEWORK DONE ON TIME AND TURNED IN ON TIME! DONE MEANS THE WHOLE THING ON TIME MEANS THE NEXT DAY NO EXCUSES

32. OK, THAT’S TWO OF THE FOUR UNITS AND JOBS. WHAT’S LEFT? OK, THAT’S TWO OF THE FOUR UNITS AND JOBS. WHAT’S LEFT? LEFT CLICK TO THE NEXT SLIDE