The Final Show For It.Htm..

TheThe COMPUTERCOMPUTER SYSTEMSYSTEM

The system unit is contained in a The system unit is contained in a rectangle box ,it comprises rectangle box ,it comprises :a motherboard :a motherboard :storage devices :storage devices

A computer is a system consisting of a A computer is a system consisting of a number of electronic components.number of electronic components.

A system is a group components A system is a group components designed for a particular job. designed for a particular job.

Destroy all the computers!!!Destroy all the computers!!!

O u r c o m p u te r is a n ic e m a te ria l to w o rk , d o y o u e v e r re a liz e th e y to o a re in d a n g e r. T h e y a re s o m e p e o p le s w h o d o n ’t re a liz e th a t o th e r p e o p le n e e d th e ir c o m p u te r. S o m e p e o p le c re a te a v e ry b a d p ro g ra m n a m e V I R U S E S !

V iru s e s a re s e lf d e s tru c tiv e th in g s . T h e y d e s tro y o u r c o m p u te r a n d th e m s e lv e s ! T h e y d e le te e v e ry th in g w e h a v e in o u r c o m p u te r. W e c a n g e t th a t b y d o w n lo a d in g in fe c te d p ro g ra m s . . . .

WHAT IS DATA?WHAT IS DATA?

Data means facts and figure.Data means facts and figure.

Processor

input storage output

HARDWAREHARDWAREANDAND

SOFTWARESOFTWARE

WHAT IS SOFTWARE?WHAT IS SOFTWARE? SOFTWARE are known by programs.SOFTWARE are known by programs.

IN a floppy disk there is a software but we IN a floppy disk there is a software but we cannot see it.cannot see it.

SOFTWARE is like the music recorded in a SOFTWARE is like the music recorded in a cassette. cassette.

What is hardware?What is hardware?Printer, monitor, scanner and cables are Printer, monitor, scanner and cables are example of Hardware.example of Hardware.

A PRINTER produces hard copy .A PRINTER produces hard copy .

TYPE OF FLOPPY DISKSTYPE OF FLOPPY DISKS

THERE ARE TWO THERE ARE TWO DIFFERENT TYPES OF DIFFERENT TYPES OF FLOPPY DISKS ,THE FLOPPY DISKS ,THE (5.25) AND THE (3.25)(5.25) AND THE (3.25)

THE MOST IMPORTANT THE MOST IMPORTANT ONE WE USE ONE WE USE NOWADAYS IS THE NOWADAYS IS THE (3.25) , THEREFORE ALL (3.25) , THEREFORE ALL THE DRIVE ARE THE DRIVE ARE MOSTLY ACCEPT MOSTLY ACCEPT

HOW DO WE CALL STARTING A HOW DO WE CALL STARTING A SYSTEM?SYSTEM?

STARTING a system is STARTING a system is called BOOTING .The called BOOTING .The normal procedure is to normal procedure is to switch on the peripherals switch on the peripherals first followed by the first followed by the system and the monitor.system and the monitor.

When starting a system When starting a system ,we must assured that we ,we must assured that we have put the plug in a have put the plug in a socket but not in a socket but not in a multiplug which can after multiplug which can after damaged our system. damaged our system.

Things that we have to do while handling a floppy disk.

Always store disks in a standing position in a disk boxInsert the disk carefully and gently into the floppy disk drive by gripping the upper edge of the disk.Keep disks away from food and drinks which may damage the disk surface.Always label your disk appropriately .use a felt-tip pen to write on the label.

Things we have not to do while handling a floppy disk.

Do not place heavy objects on disks.Do not touch the disk surface or the shutter.Do not place disks near magnets or magnetized materials .The stored data can be destroyed by the magnetic field.Do not expose disk to extreme heat or direct sunlight .

POSITION OF SITTING AT A POSITION OF SITTING AT A COMPUTER.COMPUTER.

THE POSITION OF THE POSITION OF SITTING MUST BE SITTING MUST BE HORIZANTALLY.HORIZANTALLY.

WE MUST HAVE AN WE MUST HAVE AN EYE PROTECTER ON EYE PROTECTER ON OUR SCREEN,SO OUR SCREEN,SO THAT OUR EYES THAT OUR EYES DON’T LOSE VISION DON’T LOSE VISION OF SIGHT...OF SIGHT...

HANDLING CD-ROM THE DO’s

When handling a CD-ROM ,hold the disk around the edge.

Place the CD-ROM in its casing after use

Store CD-ROM at room temperature.

Handling CD-ROMHandling CD-ROM THE Don't THE Don't Do not write on Do not write on

CD-ROMs with a CD-ROMs with a pen pen

Do not expose CD-Do not expose CD-ROMs to dust and ROMs to dust and dirt.dirt.

Do not put CD-Do not put CD-ROMs to direct ROMs to direct sunlight.sunlight.

Do not peel off the Do not peel off the label on a CD-label on a CD-ROM.ROM.

KEYWORDKEYWORD MAKING THINGS MAKING THINGS

SMALLER IS SMALLER IS CALLED CALLED miniaturization.miniaturization.

A programmable A programmable device is one that device is one that can be can be programmed to do programmed to do specific jobs.specific jobs.

Using microchips in everyday life. In our day life ,everyday we

use microchips ,e.g :-in calculators, computers , in video games ,speakers and etc......

Microchips make things became smaller,cheaper,automatic,programmable.

Microchips make things became easily to operate.

Microchips can control everything that are manual and automatic use .

THE CENTRAL PROCESSING THE CENTRAL PROCESSING UNIT.UNIT.

The central processing The central processing unit is the brain of the unit is the brain of the computercomputer

The central processing The central processing unit is known by the CPU.unit is known by the CPU.

The CPU does two The CPU does two operation:-operation:-

Process tasks like Process tasks like adding,multiplying,comparing, adding,multiplying,comparing, etc…. etc….

Control peripherals. Control peripherals.

What does a CPU consist of?What does a CPU consist of?

The CPU is consist of The CPU is consist of an arithmetic and an arithmetic and logic unit or ALU.logic unit or ALU.

The ALU does The ALU does calculation and calculation and comparisons and comparisons and performs important performs important processing processing operations. operations.

What is a mouse?What is a mouse?

A mouse is used to selected a program on A mouse is used to selected a program on the desktop.the desktop.

A mouse is used to move the cursor on A mouse is used to move the cursor on the screen.the screen.

A mouse also can be used to draw .A mouse also can be used to draw .

A mouse has two click that can control the A mouse has two click that can control the cursor on the screen. cursor on the screen.

What is a bar code reader?What is a bar code reader?

A bar code reader is a device that we used A bar code reader is a device that we used to scan code , to known the prices which to scan code , to known the prices which found in the goods we want to buy .found in the goods we want to buy .

Bar codes reader are found in many Bar codes reader are found in many places , such as library, supermarket , places , such as library, supermarket , food corners ,etc……..food corners ,etc……..

what is a what is a joystick?joystick?

A joy stick is place into a box. A joy stick is place into a box. It seems to be the main things It seems to be the main things

of the box.of the box. A joy stick is used to play ,work A joy stick is used to play ,work

,etc….,etc…. A joy stick moves in many A joy stick moves in many

directions.directions. A joystick also can control the A joystick also can control the

cursor on the screen.cursor on the screen.

What is a scanner?• A scanner is a devices that scan the

document and make copies we want.• A scanner looks like a printer but it only

scan document.

• A scanner is consist of a flat glass ,which we place our document on it to be scan and edited by any programs.

TYPES OF TYPES OF

PRINTERPRINTERS.S.

► THERE ARE FOUR TYPES OF PRINTER: A DOT THERE ARE FOUR TYPES OF PRINTER: A DOT MATRIX PRINTER,AN INK JET PRINTER,A LASER MATRIX PRINTER,AN INK JET PRINTER,A LASER PRINTER AND A PLOTTER.PRINTER AND A PLOTTER.

► THE LASER PRINTER IS THE BEST AS IT REDUSE THE LASER PRINTER IS THE BEST AS IT REDUSE NOISE,BEST RESOLUTION AND DON’T LET THE NOISE,BEST RESOLUTION AND DON’T LET THE INK SPOIL WHEN COMING OUT AND GAVE THE INK SPOIL WHEN COMING OUT AND GAVE THE MAXIUM RESOLUSION.MAXIUM RESOLUSION.

what is a cable connection?

A cable connection is used to connect two parts of a computer

e.g:- monitor ,CPU etc………..

A cable connection pins is very sensitive as it can broke if we touched it..

SUMMARYSUMMARY

The Computer is a very The Computer is a very USEFUL DEVICE USEFUL DEVICE as it as it helps us in many as to make things helps us in many as to make things for us to became more easier to operate.for us to became more easier to operate.

On the COMPUTER we can do lots of On the COMPUTER we can do lots of things ,such as designing ,drawing things ,such as designing ,drawing ,playing games...................................,playing games...................................

THE THE ENDEND

PRODUCER: MICROSOFT POWER POINT PRODUCER: MICROSOFT POWER POINT

SCENE MAKE-UP: MR RECHAD ISSACK SCENE MAKE-UP: MR RECHAD ISSACK

SLIDE DIRECTOR: DJ’S: AL-SHAFEEQSLIDE DIRECTOR: DJ’S: AL-SHAFEEQ

SLIDE CREATED IN : 2007SLIDE CREATED IN : 2007

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