IF computers can only see numbers, How is it they can store pictures?

The computers decode the pictures and they put them back together thus giving you a copy of the original picture. It all also dependes in the amount of pixels that aer in the picture.

Hand Shake problem

There are 20 people in a room every person must shake hands with every other person in the room, How many hand shakes have taken place?

1. First you would have shaken every other persons hand.
2. then you would count them.
3. in the end you would have shaken 190 people's hands.
4. 19+18+17+16+15+14+13+12+11+10+9+8+7+6+5+4+3+2+1+0= 190 =]
5. (n-1)+( n-2)+ (n-3)+(n-4)+(n-5)+(n-6)+(n-7)+(n-8)+(n-9)+(n-10)+(n-11)+(n-12)+(n-13)+(n-14)+(n-15)+(n-16)+(n-17)+(n-18)+(n-19)

What are the steps you follow to solve a problem??

The first thing you do is analyse the problem and see what the soultions to the problem is. Then you can you try to sovle it with one of the ways that you thought of. After if it didn't work out the first time try another soultion then check you answer.

How can you be sure that there is an actual person at the other end of the chat line?

To be positive that there is another human being on the other side of you conversation. wel if they answer cold to you, also if you sense to feeelings from the other person.

What is a comuter program?

A computer program is used for a specific task that you tell the computer to do. a sequence of instructions that are written to preform a specific task.
used in many diffrent stiuations. like power point is used to make a presentaion.

How are google and stumble similar? How are they different? What would you use each one for?

• Google and stumble are similar in the sense that they give you links to things, that you look for or are looking for.
• They are diffrent in the way that in stumble you pick the subjects that you want to see before then after you pick all the subjects it just shows you random sites about the topics that tou chose.
• In google you can only look up one thing at a time.
• Stumble-you see random things of subjects that tou choose.
• Google- you look up specific topics.

What criteria would you use to evaluate the authenticity and credibility of the information in a website?

• I would try to base it on my knowledge of the subject.
• or i would go to two or other sources and see if the say simliar things.
• i can also ask someone else