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What is a personal computer?
#6 | 6:22 |
Thursday February 12, 2009
The Noob
Thursday February 12, 2009
PCs are everywhere. Many of us use a PC every single day but may have no idea how they work or how far we've come in the past 20 years. Sean Carruthers explains what exactly a PC is and drops some details on how they work with a little history thrown in for good measure.
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All links lead to Wikipedia articles for more detail on the individual items mentioned in this episode.
- The personal computer that we know today is the result of many years of technology progress.
- The abacus is a very early computer of sorts that helped people to perform relatively complex calculations.
- The slide rule is a more recent development with a similar purpose.
- Today's personal computer are possible thanks to the development and refinement of the transistor which replaced the vacuum tubes used in early, room-sized computer.
PCs contain:
- The motherboard
- The central processing unit or CPU
- Memory in the form of random access memory or RAM
- Storage in the form of a hard disk drive (HDD)
- A graphics card
- An optical drive like a CD or DVD reader / writer
- And, of course, software like the operating system
Comments (1)
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By flintill about three years ago
(2009-03-28 06:33:16)
(2009-03-28 06:33:16)
hi, watched 'what is a pc', found it very helpful, well presented and at a level that newbies can understand and more importantly take in, thanks.
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