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What is Computer?ComputerComputer is Electronic Machine that is used to:is Electronic Machine that is used to:
-- Execute ProcessingExecute Processing == RbtibtkarRbtibtkarProcessingProcessing
-- Store DataStore Data == rkSaTukrkSaTukDataData
-- Organize DataOrganize Data ==RKb;RKgRKb;RKg DataData
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-- == sV rk BtmansV rk Btman-- Do CalculationsDo Calculations == eFVIkarKNnaeFVIkarKNna
-- Translate the ProcessingTranslate the Processing == bkERb dMenIrkarbkERb dMenIrkar
-- Control other machinesControl other machines = RtYtBiniteTAelIma:sIunepSg= RtYtBiniteTAelIma:sIunepSg
-- And more usagesAnd more usages == nig rebobeRbIR)as;epSgeTotnig rebobeRbIR)as;epSgeTot
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Computers Environmentomputers Environment
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Computers Family1- Micro-Computer is a small computer that contains the Microprocessor ChipCaRbePTkMuBTrEdlpkMicroprocessor chip
- Desktop Computer \ Personal Computer
- Laptop Computer \ Notebook Computer
- Pocket PC \Hand-Held PC \PDA (Personal Digital Assistant)
2- Mini-Computer is a computer that is smaller and slower than a Mainframe
M I W
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ut arger an aster t an a cro- omputer= aRbePTkuBTr ltUcehyyt aMainframe b:uEnelOnCag Micro-Computer
3- Mainframe Computer is a large powerful computer, usually the center ofnetwork and shared by many users around the world
CakMuBUTrEdlelOnCag CaFmtavaCamCmNlnetwork
eRbIsMrab;EckcayeTAeGayGkeRbIR)as;TUTaMgBiPBelak4- Super Computer is a powerful computer with a large amount of memory and
a very fast CPU CakMuBUTrEdlelOnCagbMputCamYykarcgcaMnigelOnya:gelOnbMput
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Micro and Mini Computericro and Mini ComputerDesktop Computer / PC Laptop Computer / NC
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Mini-Computer
-Pocket PC
-Hand-Held PC
-PDA
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Mainframe and Superainframe and SuperComputeromputer
Mainframe Computer
eKeRbIvaenAkgbnb;FMehIymanma:sIunRtCak;
Super Computer
eRbIsMrab;RKb;RKgsBavuF
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Computer SoftwareSoftware is the set of Instructions that directs the hardware
to accomplish a task, it can be called Program.Ca set ofInstructions EdlbBaaeTAdMenIrkarmYyeGayeCaKCy CamYyhardware1- Operating System Software
Microsoft (MS-DOS, Wins 9X, Wins NT, Wins ME, Wins2K, Windows XP, Windows Vista, Windows 7)
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, - - Apple (Mac OS, Mac OS X)
2- Application Software Microsoft Office 2007 Enterprise
TuneUp Utilities 2009 etc
3- Firmware Student Registration Market Management etc.
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Computer HardwareHardware is the physical components of computer which we can touch
and hold it CasmasPaKrUbragrbs;kMuBTrEdleyIgGaccucnigkan;)an
Mainboard \Motherboard (Built-In, Built-Out)
Monitor (CRT, LCD)
Keyboard
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- -- Numeric Keypad - Cursor Movement Keypad
- Main Keypad
Memory Chips (RAM: SDRAM - DDRRAM)
Hard Drive (HDD, FDD, Zip, Memory Card , USB Flashetc)
Mouse (Rolling-Ball, Optical, Wireless) Expansion Cards (Sound Card, VGA Cardetc)
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Hardware _ Input DevicesInput Devices include
- Keyboard
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- Joy Stick
- Scanner
- Touch Screen
- Light Pen
- Bar Code Reader
- Microphone System etc
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Keyboard Device Touch Screen
Hardwareardware _ Inputnput Devicesevices
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Mouse Device
Scanner Device
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Hardwareardware _ Inputnput Devicesevices
Light Pen
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Joy Stick
crop onear o e ea er
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Output Devices include :
- Monitor
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Hardwareardware _ OutpututputDevicesevices
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- Printer
- Plotter
- LCD Projector
- COM (Computer Output Microfilm) etc
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PrinterPlotter
Hardwareardware _ OutpututputDevicesevices
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Widescreen LCDLCD Projector
Hardwareardware _OutpututputDevicesevices
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Computer Processing
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System board / Circuit board:- CMOS (Complementary Metal Oxide Semiconductor)- BIOS (Basic Input / Output System)
Temporary Memory: RAM (Random Access Memory)
Permanent Storage:- Floppy Disk - USB Flash Memory
Hardware Inside System Unit
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- Hard Disk - Zip Disk
- CD-ROM - Mobile Phone etc.
Data Cable:- FDD (Floppy Disk Drive)- IDE (Integrated Drive Electronics)
- SATA (Serial Advanced Technology Attachment)- SCSI (Small Computer System Interface)
Power Supply: AT and ATX
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Hardware Inside System UnitPower Supply
CD_ROM drive
Floppy Disk Drive
CPU Fan
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Hard Disk Drive
Data Cables
Expansion Cards
Circuit Board
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Computers PortsPorts is the physical connectors that allow a cable from a peripheral device
to be attached Ca physical EdlGnuBaateGaybrikarbs;kMuBTrEdlGacattach CamYydevice epSg
Parallel Port / Printer Port = 25 pins
PS/2 Port = 6 pins Serial Port = 9 pins Game Port / Midi Port = 15 pins
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. . Network Port / LAN Port = 8 pins (RJ45) Modem Port = 4 pins (RJ48) Sound Port / Audio Port (Input-Output-Microphone)
VGA Port ( Video Graphic Adapter) = 15 pins IDE Port (Integrated Drive Electronics) = 39 pins
FDD Port (Floppy Disk Drive) = 34 pins ATX Port = 20 pins or 24 pins CPU Sockets (Central Processing Unit)
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Computers PortsPower In / Plug In
PS/2 Keyboard
Power Supply Fan
PS/2 Mouse
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USB Ports
Serial Port
Parallel Port
LAN Port / Network Port
Game Port / MIDI Port
VGA Port
Audio Port / Sound Port
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Computersomputers Portsorts
Power in
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Power Supply FanPS/2 Port
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Computersomputers PortsortsUSB Ports Case Fan
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Ser
ialPorts
ParallelPorts
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LAN Port
Audio Ports
Game Port
Computersomputers Portsorts
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VGA Port
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Computers PortsUSB Ports
Parallel Port
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Serial PortPS/2 Ports
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Computers SlotsSlot is the long, thin, narrow(
cegt) opening hole which stands on the
system board1- RAM Slot (Random Access Memory)2- Expansion Slot is the connector inside a computer which an
expansion card can be plugged(dMenIrkarqab;rhs)- PCI Slot (Peripheral Component Interconnect) uses to install
expansion cards as:etwork Card - V Card - USB Card etc
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odem Card - CI Card- Sound Card - VGA Card
- AGP Slot (Accelerated Graphics Port) uses with VGA Card only- ISA Slot (Industry Standard Architecture) uses to install the
oldest version of expansion cards
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Expansions SlotsISA Slot
PCI Slot
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AGP Slot
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Modem Card
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Network Interfaceetwork Interface Cardard
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VGA Card / Graphic CardGA Card / Graphic Card
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Soundound Card / Audio Cardard / Audio Card
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Internal TVnternal TV Cardard
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TVV--BOX DeviceOX Device
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Thank You !
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