FOCUS Computer Hardware Review Information for Final Exam.
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Transcript of FOCUS Computer Hardware Review Information for Final Exam.
FOCUSFOCUS
Computer HardwareComputer Hardware
Review Information for Final ExamReview Information for Final Exam
ComputerComputer
A programmable electronic machine A programmable electronic machine
that performs high-speed that performs high-speed
mathematical or logical operations or mathematical or logical operations or
that assembles, stores, correlates, or that assembles, stores, correlates, or
otherwise processes information.otherwise processes information.
The Basic Structure of A Computer The Basic Structure of A Computer System Consists of Three PartsSystem Consists of Three Parts
1. CPU - Central Processing Unit1. CPU - Central Processing Unit
The Basic Structure of A Computer The Basic Structure of A Computer System Consists of Three PartsSystem Consists of Three Parts
1. CPU1. CPUPerforms arithmetic and logic operationsPerforms arithmetic and logic operations
2. INPUT – OUTPUT DEVICES2. INPUT – OUTPUT DEVICESKeyboard, Monitor, Modem, Mouse, Joystick, Keyboard, Monitor, Modem, Mouse, Joystick,
Speakers, Printers, etc.Speakers, Printers, etc.
3. MEMORY3. MEMORYPrimaryPrimary – directly accessible by the CPU. – directly accessible by the CPU.
SecondarySecondary – external memory for storing data. – external memory for storing data.
(Peripherals)(Peripherals)
Computer HardwareComputer Hardware
The physical components of a The physical components of a
computer system, such as the computer system, such as the
circuit boards, chassis, enclosures, circuit boards, chassis, enclosures,
peripherals, cables, etc.peripherals, cables, etc.
It does not include data or It does not include data or
computer programs. computer programs.
Computer DiagramComputer DiagramThe Block Diagram as shown below is a representation of The Block Diagram as shown below is a representation of the fundamental pieces of any computer system. So the fundamental pieces of any computer system. So whether it is a PC or MAC or some other type of computer whether it is a PC or MAC or some other type of computer it will have most if not all of these components.it will have most if not all of these components.
Computer HardwareComputer Hardware
RAM ROM(Random Access Memory)(Random Access Memory)
Short term memory in a Short term memory in a
computer. When the computer. When the
computer is turned off, all computer is turned off, all
the information stored the information stored
here disappears. A here disappears. A
memory device in which memory device in which
information can be information can be
accessed in any order.accessed in any order.
(Read Only Memory)(Read Only Memory)
A small memory that A small memory that
allows fast access to allows fast access to
permanently stored data permanently stored data
but prevents addition to or but prevents addition to or
modification of the data.modification of the data.
Computer HardwareComputer Hardware
RAMRAM ROMROM
Computer HardwareComputer Hardware
Central Processing Unit (CPU)Central Processing Unit (CPU)oror
MicroprocessorMicroprocessor
Central Processing UnitCentral Processing Unit
Computer HardwareComputer Hardware
The CPU is usually protectedThe CPU is usually protectedfrom Heat by afrom Heat by a
Heatsink and Fan combinationHeatsink and Fan combination
Fan and Heat SinkFan and Heat Sink
MotherboardMotherboard
MotherboardMotherboard
MotherboardMotherboard
Computer HardwareComputer Hardware
BackupBackupDriveDrive
VideoVideoCameraCamera
ComputerComputerCasesCases
SoundSoundCardsCards
MultimediaMultimediaSpeakersSpeakers
OtherOtherEquipmentEquipment
VideoVideoCardsCardsModemsModems MonitorsMonitorsKeyboardsKeyboardsMiceMice PrintersPrinters
HardHardDrivesDrivesMotherboardsMotherboards
FloppyFloppyDrivesDrives
CPU’sCPU’sProcessorsProcessors
RAMRAMMemoryMemory
CD ROMCD ROMDrivesDrives
USB Flash DrivesUSB Flash Drives
USB flash drives also are called USB flash drives also are called thumb drivesthumb drives, , jump drivesjump drives, , pen drivespen drives, , key driveskey drives, , tokenstokens, or , or simply simply USB drivesUSB drives..
USB flash drives are compact and easy-to-use USB flash drives are compact and easy-to-use devices that are similar in use to your computer devices that are similar in use to your computer hard drive. USB flash drives slip into your hard drive. USB flash drives slip into your pocket, conveniently around your neck or on a pocket, conveniently around your neck or on a keychain for ultimate portable storage.keychain for ultimate portable storage.
Hard DriveHard DriveCover RemovedCover Removed
Hard Disk and Read/Write HeadsHard Disk and Read/Write Heads
Disk TrackDisk Track
Adding RAMAdding RAM
COMPAQCOMPAQ 7000 7000
Back of COMPAQ 7000Back of COMPAQ 7000
Input TerminalsInput Terminals
Input & Output Input & Output TerminalsTerminals
Input & Output Input & Output TerminalsTerminals
Input & Output Input & Output TerminalsTerminals
Power InputPower InputAC Power InputAC Power InputAC Power InputAC Power Input
110 Volt / 220 Volt110 Volt / 220 VoltSelection SwitchSelection Switch
110 Volt / 220 Volt110 Volt / 220 VoltSelection SwitchSelection Switch
Input & Output TerminalsInput & Output Terminals
Most Computers have Icons and Most Computers have Icons and Color Coded Connections to help Color Coded Connections to help with attaching all the Required with attaching all the Required
and Optional Peripherals.and Optional Peripherals.
Most Computers have Icons and Most Computers have Icons and Color Coded Connections to help Color Coded Connections to help with attaching all the Required with attaching all the Required
and Optional Peripherals.and Optional Peripherals.
USBUSBUSBUSBUUniversal niversal SSerial erial BBususUUniversal niversal SSerial erial BBusus
KeyboardKeyboardKeyboardKeyboard
JoystickJoystickJoystickJoystick
MouseMouseMouseMouse
Parallel Parallel PrinterPrinter
Parallel Parallel PrinterPrinter
Universal Universal Serial BusSerial BusUniversal Universal Serial BusSerial Bus
Input & Output TerminalsInput & Output Terminals
MonitorMonitorMonitorMonitor
Input & Output TerminalsInput & Output Terminals
FireWireFireWireIEEE 1394IEEE 1394FireWireFireWire
IEEE 1394IEEE 1394
Audio Inputs and Audio Inputs and OutputsOutputs
Audio Inputs and Audio Inputs and OutputsOutputs
Input & Output TerminalsInput & Output Terminals
NOT for NOT for PhonePhoneNOT for NOT for PhonePhone
Output forOutput fora Phonea Phone
Output forOutput fora Phonea Phone
Line forLine forPhone ModemPhone Modem
Line forLine forPhone ModemPhone Modem
Ethernet JackEthernet JackEthernet JackEthernet Jack
Input & Output TerminalsInput & Output Terminals
Input & Output TerminalsInput & Output Terminals
Inside ViewInside View
Cards and DrivesCards and Drives
Back of DrivesBack of DrivesDVD DRIVE
CD/RW DRIVE
ZIP DRIVE
FLOPPY DRIVE
HARD DRIVE
Cards and DrivesCards and Drives
Expansion CardsExpansion CardsVIDEO CARD
FireWire CARD
1394, i.LINK
SOUND CARD
EITHERNET CARD
MODEM CARD
Power SupplyPower Supply
Heat Sink and FanHeat Sink and Fanon CPUon CPU
RAM CardsRAM Cards
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What is This?What is This?
BatteryBattery
Warning
Static Electricity can Static Electricity can Destroy Computer Destroy Computer
ComponentsComponents