Joseph

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Joseph-Building a PC

For my CoRE project I learned about the components in a computer as well as helped a friend choose parts and build a computer with a budget of about $1000.

Parts of a Computer

Motherboard:

  • PCI Slots: (Peripheral Component Interconnect) Where the graphics card and other such extras are connected.
  • Memory Slots: Where you place the RAM.
  • Back Panel Connector: Contains many different connections to the computer such as USB Ports
  • Firewire: Extra efficient connection to the motherboard
  • CPU Socket: Where the processor is placed
  • Main Power Connector: Where the power supply is plugged in.
File:Https://ist94.wikispaces.com/file/view/motherboard.jpg

CPU:Central Processing Unit

  • Computational engine: Does all the algorithms required to run a computer

Underside of the CPU contains hundreds of pins

  • Socket types:
    • LGA: (Land grid array) has many different pins that make contact with the underside of the CPU
    • PGA: (Pin grid array) Has sockets that the underside of the CPU is inserted into

RAM(Random Access Memory)

  • data is temporarily stored while in use by the processor
  • Information is more readily processed with increasing amounts of ram for instant access
  • All memory on RAM is erased when the computer is powered down

Graphics card

  • Takes information from the CPU and displays that in the pixels of the monitor
  • A graphics card contains
    • RAM: temporarily stores information for graphics
    • graphics processing unit (GPU): like a CPU, does all the complex calculations to produce an image
    • a BIOS chip (input/output): stores basic settings

Power Supply

  • The power supply does exactly what the name suggests: it supplies power to all the components in the computer
  • Actual wattage of the power supply varies and how much power you need depends on the parts you get

Memory: Hard drives and Solid state drives

  • Computer’s main memory
  • Where information is stored long term
  • Solid state drive: no moving parts, more reliable, faster at accessing data and it uses less power.