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INTERNAL COMPONENTS
TECHNICAL
Liam Sewell
PROCESSORS
The Central Processing unit
The CPU is the portion of the computer that controls
what the other components do, sometimes referred to
as the ‘brain’ of the computer. CPU’s are measured in
bits, mostly 34 and 48 megahertz. The speed of a
CPU varies with the different variety of CPU’s
available But a CPU’s speed is measured in
Megahertz (MHz). Once a CPU is attached into its
slot on the motherboard, it can be taken out by
opening the safety hatch and taking it out of the slot.
MEMORY
RAM:
A RAM, or Random Access Memory, is a type of memory that saves everything the user
   does in one session, when the session is finished the RAMs memory is wiped clean
   ready for the next.
 Static (cache) RAM is a type of semiconductor memory that uses bistable latching
   memory to store each bit of data.
 Dynamic random-access memory (DRAM) is a type of RAM that stores each bit of data
   on a separate capacitor that can be charged or discharged. However the capacitor needs
   to be charged regularly because its information eventually fades.
ROM:
A ROM (Read-Only Memory) is a type of memory that stores data that cannot be changed
   easily by the user(s) of the computer. It is mainly used to distribute Firmware.
Flash Memory:
Flash Memory is a non-volatile storage chip that can be erased and reprogrammed by the
   user at will. It is hot-swappable and can go to a different computer to exchange dater
   easily.
ADAPTER CARDS
PCI and PCIe:
PCI (Peripheral Component Interconnect) is a local
 bus attaches hardware components in a computer.
 The components that attach to the local bus can
 take the form of a integrated circuit or can be simply
 fitted onto the PCI bus via the motherboard.
STORAGE:
SATA (Serial advanced technology attachment) :
SATA is used to connect host bus adapters to mass
  storage devices i.e. Hard drives and optical discs.
  The advantages of SATA over PATA (Parallel
  Advanced Technology Attachment) is that SATA has
  a reduced cable size and cost, faster data transfer
  and a more efficient transfer from the
I/O queuing protocol.
STORAGE:
SCSI:
SCSI (Small Computer System Interface) is a
standard for physically connecting and transferring
data to one computer to the other. The standards
define commands, protocol, electrical and optical
interfaces. It is commonly used for hard disks and
tape drives.
Solid state drives:
Solid State Drives are storage devices that use solid
state memory to store data.
I/O COMPONENTS
Input Components:   Output Components:
 Keyboard           Speakers
 Mouse
                     Printer (all in one)
                     Monitor
 Touch pad
                     CD
 Joystick           Headphones
 Microphone         Floppy Disk
 CD ROM
Internal components technical

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Internal components technical

  • 2. PROCESSORS The Central Processing unit The CPU is the portion of the computer that controls what the other components do, sometimes referred to as the ‘brain’ of the computer. CPU’s are measured in bits, mostly 34 and 48 megahertz. The speed of a CPU varies with the different variety of CPU’s available But a CPU’s speed is measured in Megahertz (MHz). Once a CPU is attached into its slot on the motherboard, it can be taken out by opening the safety hatch and taking it out of the slot.
  • 3. MEMORY RAM: A RAM, or Random Access Memory, is a type of memory that saves everything the user does in one session, when the session is finished the RAMs memory is wiped clean ready for the next.  Static (cache) RAM is a type of semiconductor memory that uses bistable latching memory to store each bit of data.  Dynamic random-access memory (DRAM) is a type of RAM that stores each bit of data on a separate capacitor that can be charged or discharged. However the capacitor needs to be charged regularly because its information eventually fades. ROM: A ROM (Read-Only Memory) is a type of memory that stores data that cannot be changed easily by the user(s) of the computer. It is mainly used to distribute Firmware. Flash Memory: Flash Memory is a non-volatile storage chip that can be erased and reprogrammed by the user at will. It is hot-swappable and can go to a different computer to exchange dater easily.
  • 4. ADAPTER CARDS PCI and PCIe: PCI (Peripheral Component Interconnect) is a local bus attaches hardware components in a computer. The components that attach to the local bus can take the form of a integrated circuit or can be simply fitted onto the PCI bus via the motherboard.
  • 5. STORAGE: SATA (Serial advanced technology attachment) : SATA is used to connect host bus adapters to mass storage devices i.e. Hard drives and optical discs. The advantages of SATA over PATA (Parallel Advanced Technology Attachment) is that SATA has a reduced cable size and cost, faster data transfer and a more efficient transfer from the I/O queuing protocol.
  • 6. STORAGE: SCSI: SCSI (Small Computer System Interface) is a standard for physically connecting and transferring data to one computer to the other. The standards define commands, protocol, electrical and optical interfaces. It is commonly used for hard disks and tape drives. Solid state drives: Solid State Drives are storage devices that use solid state memory to store data.
  • 7. I/O COMPONENTS Input Components: Output Components:  Keyboard  Speakers  Mouse  Printer (all in one)  Monitor  Touch pad  CD  Joystick  Headphones  Microphone  Floppy Disk  CD ROM