Words of Wisdom:

"Cheaters never win, so they say; cheating is better than losing. ;-)" - Ezslax


  • Date Submitted: 01/28/2010 06:29 AM
  • Flesch-Kincaid Score: 51.4 
  • Words: 2763
  • Essay Grade: no grades
  • Report this Essay
About two hundred years before, the word "computer" started  

to appear in the dictionary. Some people even didn't know what is

a computer. However, most of the people today not just knowing

what is a computer, but understand how to use a computer.

Therefore, computer become more and more popular and

important to   our society. We can use computer everywhere and

they are very useful and helpful to our life. The speed and

accuracy of computer made people felt confident and reliable.

Therefore, many important information or data are saved in the

computer. Such as your diary, the financial situation of a oil

company or some secret intelligence of the military department. A

lot of important information can be found in the memory of

computer. So, people may ask a question: Can we make sure that

the information in the computer is safe and nobody can steal it

from the memory of the computer?

Physical hazard is one of the causes of destroying the data

in the computer. For example, send a flood of coffee   toward a

personal computer. The hard disk of the computer could be

endangered by the flood of coffee. Besides, human caretaker of

computer system can cause as much as harm as any physical hazard.

For example, a cashier in a bank can transfer some money from one

of his customer's account to his own account. Nonetheless, the

most dangerous thief are not those who work with computer every

day, but youthful amateurs who experiment at night --- the


The term "hacker "may have originated at M.I.T. as students'

jargon for classmates who labored nights in the computer lab. In

the beginning, hackers are not so dangerous at all. They just

stole computer time from the university. However, in the early

1980s, hackers became a group of criminals who...


Express your owns thoughts and ideas on this essay by writing a grade and/or critique.

  1. No comments