chapter 3 Monitoring and Control IT 9626

2-When the author finishes a chapter she wishes to print it out. Name three appropriate types of printer, and for each one give a different advantage to the author for using it compared to the others.(3)

(a)  

4-Control technologies are affecting everybody in their normal way of life. Some people think this is good; others disagree with this. Evaluate the use of control technologies in everyday life(8)

(a)  

5-Many people use the internet on a daily basis to communicate with others. Discuss the benefits and drawbacks of individuals using the internet to communicate with each other.(8)

(a)  

6-Many personal computers are bought with certain types of software already installed. This includes a number of items of utility software. Describe how each of the following utilities carries out its function.

(a) Anti-virus software(2)

(b) Backup software(2)

(c) Disk defragmentation software(2)

(a)  

7-Computer controlled traffic lights are used to control traffic flow in major cities. Identify three input devices which could be used and describe their use in such a system(6)

(a)  

8-Many major supermarkets now use a variety of monitoring technologies to check the work of their employees. Evaluate the use of technology to monitor employees in the workplace.(8)

(a)  

9-Financial models are often created using spreadsheet software rather than using manual methods. Evaluate the use of spreadsheet models for this purpose.(8)

(a)  

10-Magnetic Ink Character Recognition (MICR) and Optical Character Recognition (OCR) are often used in different ways for different purposes. Evaluate the use of MICR and OCR for entering data from documents.(8)

(a)  

1-An author is using a computer to write a book. (a) Describe, in detail, how she could use different sets of keys on her keyboard to edit and save the book.(3)

(a)