IT Homework for December th 2008

Pgs. 156-1571
What is the difference between application and language software (4 pts.)?
2) Pg. 157 #1 (2 pts. each)
3) Pg. 157 #2 (3 pts.)
Pgs. 158-1591
What is meant by high level language (3pts?)
2) Pg. 159 #1 (1 pt.)3) Pg. 159 #2 (1 pt.)4) Pg. 159 #3 (4 pts.)

Pgs. 160-1611)
Pg. 161 #1 (1 pt.)
2) Pg. 161 #2 (1 pt.)3)
What is a plug-in (2pts.)?
4) Pg. 161 #3 (2 pts.)

1.) An application software is a software that i nstructs a computer to carry out a specific task. and a language software is something that creates both system and application softwares.

2.) Default setting is when the appilcation software is already installed and it is set up in the way that the sowtware company thinks most people will want. A template is a predesigned file that sets up a structure for a document. Expert System is an application that performs a task that would otherwise be performed by a human expert. Artificial Intelligence is the part of computer science that that is concerned with getting computers behave like humans.

3.) Medicine - to diagnose the illness
Buying and selling of company shares - to choose the best shares to invest in
House buying - to choose the best mortage


Pgs. 158-1591
1.) examples of highlevel language is Pascal, Visual Basic and Java. These are called high level because they use keywords similar to english and are easier to write than low level languages.

2.) COBOL(Common Buisness - Oriented Language) is a high level language used in buisness programs

3.) The reason why Visual Basic is popular is because it can use predefined libraries of code that can be adapted for their application

4.) A macro is a series of commands that a program can perform automatically. you can use it to sort the class between the surname and the class. To sort out different categories

Pgs. 160-1611
1.) Java is a good computer language because they are able to access any content on the web pages

2.) An applet ensures that everyone can access the web content a small java application.

3.) It is a small piece of software that plugs into larger application to add more features.

4.) The advantage is that the content and layout of a document is preserved