Hardware Quiz

Q: what is the diffrence between a CD drive and a DVD drive?
A: the cd uses a infrared lazer to read the disks and they can have up to 650-700 MB of data on them where as a DVD uses a red lazer and this results in it being able to store 4.7 GB per layer. also the lazer in the DVD can be refocused to other layers in the disk giving it up to 9GB on a duel layer disk. (ps the reason the dvd can store more info using a red lazer is that the track can be finer due to the wave length of red being less that that if IR and so they can fit more tracks in the same area)

Q: what do NOT, OR and and AND gates do?
A: the NOT will make a live signal into dead signal (e.g a binary one in to a binary 0 and visa versa) the OR will take 2 (or more) imputs and combine them into one. (e.g the signal could come from just one imput or both imputs and it will come out a 1 but if there is no signal on any imputs then it will be a 0). and the AND gate will take 2 (or more) imputs and will only out put a 1 if there is a signal one ALL the imputs, else it will be a 0.

Now thats what I want to know!

yes, but if you dont want to think of all the choices i could probly make them up, but it would help if you gave four choices.

- - - -
Kill a man and you're a murderer;
Kill many and you're a conquerer;
Kill 'em all and you're a god.

should i re-post in cpu forum? Sorry about bumping it twice, i just want to give ppl a chance to read it. The pages for the threads aren't long enough.

- - - -
Kill a man and you're a murderer;
Kill many and you're a conquerer;
Kill 'em all and you're a god.

Whots greater, kb, mb or gb?
Why do we need a fan on the cpu?
cd-rw drives, which way does the data get burnt? outside to inside or vice versa?
How many platters in a typical HDD?
Whots faster, cas 3 cas 2.5 or cas 2?
whots faster, pc2100, PC2700 or PC3200?
Why does a 80Gb drive format and appear as a 74.5Gb?
Which x86 cpu holds the record for the highest thermal output (at full load)? (A: the P4 2.0Ghz willamette @ approx 100W)
What are the REAL bus speeds of 266,333 400 and 533FSB speeds?
how did PC2700 ram get its name? (A: 8bits * 2 times a clock cycle * 166.6Mhz = 2666 ~ 2700)


<b><i>The Very Hungry Caterpillar</i> - George W. Bush's favorite childhood book.
Note: This book was first published a year after Mr Bush graduated from College.</b>