comp lit fall semester input & output get out your notebooks and pens! no sleeping, no eating,...

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