Introduction to Hardware

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Presentation transcript:

Introduction to Hardware

What is binary? We use the decimal (base 10) number system Binary is the base 2 number system Ten different numbers are used in base 10. How many are used in base 2?

Bits & Bytes kilo, mega, and giga are different in binary! bit (b) – a binary digit KiloBit (Kb) – 210 bits MegaBit (Mb) – 220 bits GigaBit (Gb) – 230 bits Byte (B) – 8 binary digits KiloByte (KB) – 210 bytes MegaByte (MB) – 220 bytes GigaByte (GB) – 230 bytes TeraByte (TB) – 240 bytes PetaByte (PB) – 250 bytes http://en.wikipedia.org/wiki/Binary_prefixes

Storage Scam! Example: iPad 16GB How much space are you *actually* getting?

Input Devices Keyboard Mouse Webcam Sensors …any others? http://www.leapmotion.com http://www.youtube.com/watch?v=_d6KuiuteIA

Output Devices Monitor Printer Speakers Actuators Motors any others? Oculus Rift - http://www.youtube.com/watch?v=KBylGcvRuek

Motherboard Connects EVERYTHING!

Motherboard cont’d

Central Processing Unit (CPU) Computer’s thinking/calculating brain part Pay attention to: Model (e.g. Intel Core i5) Clock speed (e.g. 2 GHz) Socket type (e.g. LGA 1156)  changes from year to year

Random Access Memory (RAM) Computer’s memory part of the brain Pay attention to: Brand (e.g. Crucial, Corsair, Kingston, G. SKILL) Size (e.g. 2GB) Specification & Speed (e.g. DDR3 1333 MHz)

Graphics (Video) Card Specializes in displaying graphics Pay attention to: Brand (NVIDIA, ATI) Size (512 GB) Speed

Hard Drive Stores everything Pay attention to: Optional: Brands (Western Digital, Seagate) Speed (e.g. 7200 RPMs) Size (e.g. 512 GB, 1TB) Optional: Solid State Drives

CD/DVD Pay attention to what it can burn… Note: This is an example of a dying technology

Power Supply Connects computer to electricity Different cables go to different components Power Supply Calculator

Laptops, Smartphones, Tablets, etc. All of the above are comprised of the same major components Only differences: Sizing Packaging Operating systems (software)

Desktop Examples

Laptop Example

Build Your Own PC Website that lets you pick parts: www.pcpartpicker.com Websites where you buy parts: www.newegg.com www.amazon.com www.microcenter.com FAQs http://www.reddit.com/r/buildapc/faq

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