How to make PWM by using timer in AT89S51 (MCS51 family) ?

I have an ignment from my lecturer to make this thing, anyone please help me... I don't really understand about it... thanks...

Why does China have internet censorship?

China is a criminal state with huge human rights violations. The govt wants to keep the people ignorant of how people live in free societies.. Basic.

Can opposites Attract?

the truth is, opposites can attract because they don't compete with each other. I've know athletes who would rather their partner was clumsy and overweight because then they don't feel threatened. Your best bet is to attempt to show an interest in her personal life. You can show how protective you are towards her against her father. Country girls almost always have abusive fathers. Show her how protective a black man can be of a white girl who is being bullied by her father.

How do I become a tournament fishermen?

ever since I was a little kid catching my first fish thats all I ever wanted to do for the rest of my life. but there's a catch to that. I need a job to help pay for gear to go fihing and a job would cut into my fishing time. I knew all of this when I was in my early teens and then decided that I did not want to grow up. but such is life and as time flew by fast i did. man tough **** too... cuz now I work my but off in construction which I do alot of overtime and I have no time to fish. so I figured I still want to follow my dream and ask around to see who may point me in the right d.

Omg who the efffff sings this song!!!!!?

Here are some of the lyrics.... I heard a 30 sec rap on the radio and googled it and found the lyrics but I click on the link and get some country guy named emilio singing about how life is good!!! I'm so angry usually google is my friend ahhh well here it goes and I'm suspicious that it might actually be a song from the late 90's "�My daddy learned she was pregnant and he was so angered He tried to end it ... to coat hangers He gettin livid, sittin in on the clinic visits And now we ... he was in to hittin And yeah that's probably the reason my sister's into women" thanks !!

Need a good car 2 by with little $ down or no $ down and no credit check in/ or around Sulphur, OK.?

My credit is not very good. I haven't much money for down payment. Need the car for work related travel. Must be dependable and fuel eff. Can anyone suggest something or where to go?

Need some help with home work...easy 10 points?

crane drivers arent clever enough to know things like this,but what if more than one person gets them all right?