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Computer Hardware
  Components
Computer Hardware
   components


          Motherboard
          CPU
          Keyboard
          Mouse
          RAM
          Monitor
          Floppy drive
          CD-ROM drive
          Hard disk drive
          DVD Drives
Central Processing Unit


          The microprocessor consists of
             three sections:
             1.Arithmetic Logic Unit
               2.Registers
              3.Control Unit
MOTHERBOARD
 Main circuit board inside your
  computer is called a
  motherboard.
 The motherboard contains the
  connectors for attaching
  additional boards, such as the
  CPU, BIOS, memory, mass
  storage interfaces, serial and
  parallel ports, expansion slots
  and all the controllers that are
  required to control standard
  peripheral devices such as the
  display screen, keyboard, and
  hard drive.
MOTHERBOARD

 Here we see a diagram
  and a photo of a
  motherboard (or main
  circuit board).
  This one is suitable for a
  Pentium CPU
PCI SLOTS
 PCI slots This
 board has 4 slots
 for the newer PCI
 boards for
 peripherals like
 video cards,
 sound cards,
 internal modems,
 etc
MEMORY SLOT
 Memory slots
 There are 4 short
 slots for SIMM
 memory.
 This board has
 two long slots for
 a new kind of
 memory called
 DIMM DRAM.
MOTHERBOARD
 Keyboard plug :This is where the keyboard attaches, thru the back of the
  computer.
 Power Connections This is where the power supply connects to the
  motherboard

 Processor socket What is visible here is the place where the processor
   plugs into the motherboard. When the processor is installed, you still can't
   see it because on top of it is a heat sink and fan to keep the processor cool.
   Hot processors make mistakes or even melt important parts on the chip.
   Different processors are different sizes. So the socket on the motherboard
   has to match the processor. Also, the circuits in the motherboard itself must
   be different for different processors.
RAM
 RAM, or Random-Access-
   Memory, is a type of memory that
   accesses faster than main memory
   (like a hard drive), but that only
   stores data while the computer is
   turned on. It is normally used to
   store the program that your
   computer is currently running,
   and any data that program needs.
 RAM is divided into small blocks
   of data, each of which can be
   accessed by a unique number,
   called an address.
Monitor
The computer
screen is used
for outputting
information in
an
understandable
format.
Floppy drive
 Storage Devices -- "How it saves data and
     programs“
- - Hard disk drives are an internal,
higher capacity drive which also stores the
operating system which runs when you power
on the computer.-

"Floppy" disk drives allow you to save
work on small disks and take the data with
you.
FEATURES:- FLOPPY DISK
Diskettes (Floppy Disks)
Speed:
   Very slow!

Capacity:

                           .
        Normally 1.44 Mbytes

Cost:

    Very cheap   .
EXTRA FEATURES
Hard Disks
Hard Disks
 Speed:
 Very fast!
 The speed of a hard disk is often quoted
  as "average
 access time" speed, measured in
  milliseconds. The
 smaller this number the faster the disk.
 Capacity:
 Enormous! Often 40/80 Gigabytes. A
  Gigabyte is
  equivalent to 1024 Megabytes.
 Cost:
 Hard disks costs are falling rapidly and
  normally
 represent the cheapest way of storing
  data.
CD-ROM drive

 They are disc drives which read
  Compact Discs (CDs). They are
   transportable and can be used
  to perform various tasks such
  as reading data from the
  computer and listening to audio.
 Data is written on a CD by
  burning pits into the disc to
  produce non-reflective areas.
DVD Drives

 Computer DVD drives can be
  used to watch DVD video, play
  audio CDs and store
  information on DVDs and CDs.
  DVD drives are now being
  installed in new computers
  instead of CD drives.
 Computer DVD drives are able
  to read data stored on CD-
  ROMS and DVDs and can play
  both video and audio DVDs.
  CD-ROM drives cannot read
  DVDs.
Presented by:-Naveen Sihag

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Computer hardware component. ppt

  • 1. Computer Hardware Components
  • 2. Computer Hardware components Motherboard CPU Keyboard Mouse RAM Monitor Floppy drive CD-ROM drive Hard disk drive DVD Drives
  • 3.
  • 4.
  • 5. Central Processing Unit The microprocessor consists of three sections: 1.Arithmetic Logic Unit 2.Registers 3.Control Unit
  • 6. MOTHERBOARD  Main circuit board inside your computer is called a motherboard.  The motherboard contains the connectors for attaching additional boards, such as the CPU, BIOS, memory, mass storage interfaces, serial and parallel ports, expansion slots and all the controllers that are required to control standard peripheral devices such as the display screen, keyboard, and hard drive.
  • 7. MOTHERBOARD  Here we see a diagram and a photo of a motherboard (or main circuit board). This one is suitable for a Pentium CPU
  • 8. PCI SLOTS  PCI slots This board has 4 slots for the newer PCI boards for peripherals like video cards, sound cards, internal modems, etc
  • 9. MEMORY SLOT  Memory slots There are 4 short slots for SIMM memory. This board has two long slots for a new kind of memory called DIMM DRAM.
  • 10. MOTHERBOARD  Keyboard plug :This is where the keyboard attaches, thru the back of the computer.  Power Connections This is where the power supply connects to the motherboard  Processor socket What is visible here is the place where the processor plugs into the motherboard. When the processor is installed, you still can't see it because on top of it is a heat sink and fan to keep the processor cool. Hot processors make mistakes or even melt important parts on the chip. Different processors are different sizes. So the socket on the motherboard has to match the processor. Also, the circuits in the motherboard itself must be different for different processors.
  • 11. RAM  RAM, or Random-Access- Memory, is a type of memory that accesses faster than main memory (like a hard drive), but that only stores data while the computer is turned on. It is normally used to store the program that your computer is currently running, and any data that program needs.  RAM is divided into small blocks of data, each of which can be accessed by a unique number, called an address.
  • 12. Monitor The computer screen is used for outputting information in an understandable format.
  • 13. Floppy drive  Storage Devices -- "How it saves data and programs“ - - Hard disk drives are an internal, higher capacity drive which also stores the operating system which runs when you power on the computer.- "Floppy" disk drives allow you to save work on small disks and take the data with you.
  • 14. FEATURES:- FLOPPY DISK Diskettes (Floppy Disks) Speed: Very slow! Capacity: . Normally 1.44 Mbytes Cost: Very cheap .
  • 16. Hard Disks Hard Disks  Speed: Very fast! The speed of a hard disk is often quoted as "average access time" speed, measured in milliseconds. The smaller this number the faster the disk.  Capacity: Enormous! Often 40/80 Gigabytes. A Gigabyte is equivalent to 1024 Megabytes.  Cost: Hard disks costs are falling rapidly and normally represent the cheapest way of storing data.
  • 17. CD-ROM drive  They are disc drives which read Compact Discs (CDs). They are transportable and can be used to perform various tasks such as reading data from the computer and listening to audio.  Data is written on a CD by burning pits into the disc to produce non-reflective areas.
  • 18. DVD Drives  Computer DVD drives can be used to watch DVD video, play audio CDs and store information on DVDs and CDs. DVD drives are now being installed in new computers instead of CD drives.  Computer DVD drives are able to read data stored on CD- ROMS and DVDs and can play both video and audio DVDs. CD-ROM drives cannot read DVDs.