comp lit fall semester input & output get out your notebooks and pens! no sleeping, no eating,...
TRANSCRIPT
COMP LIT FALL SEMESTER INPUT & OUTPUT
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!
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?
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!
&&
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
DEVICES THAT
CAN BE USED
FOR BOTH
INPUT AND OUTPUTThey can be input devices or output devices
DEVICES THAT
CAN BE USED
FOR BOTH
INPUT AND OUTPUTThey can be input devices or output devices
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.
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)
Floppy disk drives 8”, 5.25” (nobody uses these anymore),
3.5”
Floppy disk drives 8”, 5.25” (nobody uses these anymore),
3.5”
Hard disk drivesHard disk drives
INTERNAL HARD DISK DRIVEINTERNAL HARD DISK DRIVE EXTERNAL HARD DISK DRIVEEXTERNAL HARD DISK DRIVE
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),
Zip drives 1OO MB, 250 MB, JAZ DRIVE etc.
Zip drives 1OO MB, 250 MB, JAZ DRIVE etc.
1 USB connector
2USB mass storage controller device
3 Test points
4 Flash memory chip
5 Crystal oscillator
6 LED
7 Write-protect switch
8Space for second flash memory chip
Flash drives cruzer, mini-cruzer, travel, thumb, etc.
Flash drives cruzer, mini-cruzer, travel, thumb, etc.
Magnetic strip
Smart card
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 Modems
About Modems…About Modems…
A modem uses a telephone line or
cable to connect your computer to
the outside world. Computers
process information as digital
signals.
A modem uses a telephone line or
cable to connect your computer to
the outside world. Computers
process information as digital
signals.
The problem is phone lines are
designed to carry sound waves,
which are analog signals, and not
computer information which are
digital signals.
The problem is phone lines are
designed to carry sound waves,
which are analog signals, and not
computer information which are
digital signals.
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.
Modems allow you to go on the
internet, send and receive e-mail
and send and receive faxes
(Facsimile Transmission).
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
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
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
DSL Modem
Cable Modem Wireless router
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)
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
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)
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.
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
DONE MEANS THE WHOLE THING
ON TIME MEANS THE NEXT DAY
NO EXCUSES
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
