4/14

1. a) define operating system:
The software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals

b)Describe two utilities provided by an operating system that would be helpful in enabling the author to use his computer effectively despite his injury.
two utilities provided by an operating system that would be help enabling the author to use his computer effectively dispite his injury are voice recognition software, that allows him to speak the rest of his article and the computer will type put the words into the word document.

4.
a) computer systems able to perform tasks that normally require human intelligence, such as visual perception, speech recognition, decision-making, and translation between languages

b) clippy tells the user how to right a letter by recalling information previously programed into his program which is recalled through the user typing in keywords that would lead to the recalled information; keywords such as "letter" or "how to write a letter"



2. a) two technical reasons why the quality of videos viewed from web sites can be limited are resolution, becuae the low it is the lower the quality of the video and the amount of bandwidth being filled, for if the bandwidth is filled with other information it will pause the video because it needs to buffer
b) Two reason why some web based videos do not play at all on a home computer is because the video is too long. Another reason is because the video is not produced enough so the video can not play.
c) There may be a great amount of audiences for opera, ballet, and plays because the web is does not have the same web-based materials as the real picture does in real life. A person can listen to plays and operas online but it is hard to get the real experience out of them. There may be a result of the availability of web-based materials because there are so many people at the art galleries, operas, ballets, and plays because there are no seats and they are expensive.

3. a) is a kind of computer file that is structured as a sequence of lines. A text file exists within a computer file system.
b) A OCR can convert handwriting to a text file through the computer file. The OCR can convert the handwriting and plates to text files which then can be edited as if they had been typed. The software can sort numbers which then can be read. The information needs to be scanned in order to get onto the computer.
c) The conversion process may not be accurate using OCR techniques because when being converted the files may be confused due to inacurate information, for example if there are scratches or discoloration. The conversion process may be inaccurate using OCR as well if there is a lower case l, L, and a 1, one.