it.gen.nz

Writings on technology and society from Wellington, New Zealand

Wednesday, March 12, 2008

What exactly is a kilobyte? (or a Megabyte, or a Gigabyte)

There is a lot of confusion about this out there – some of it deliberate – as I said on the radio last week, but the usual definition is 2^10 bytes, which is 1,024 bytes.  Here’s a cartoonist’s take on the whole thing – it’s funny.

Incidentally, by the definition above, a megabyte is 1,024*1,024 which is about 1.04 million, and a Gigabyte is 1,024 times bigger again at 1.07 billion.

posted by colin at 7:20 am  

Thursday, March 6, 2008

How computers store information…

…and why you ought to be backing up your computer.

Today on Radio New Zealand National I talked about how computers store things – what is a hard drive, anyway – and, I hope, convinced you that you need to backup your data regularly. It’s not that hard. Read on… (more…)

posted by colin at 10:56 am  
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