c432as1w08 - Student Name: Sung Jin Ahn Student ID # :...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Student Name: Sung Jin Ahn Student ID # : 20200811 Please attach this page to your answers to Assignment #1: Question Marks Received Marker Question Marks Received Marker 1 12 8 6 2 17 9 5 3 9 10 14 4 4 5 8 6 2 7 8 Total 85 Please type your answers to the following questions
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Winter 2008 CS 432 – Assignment #1 Due: Feb. 5 Total Marks: 85 = 7% Please type your answers to the following questions 1. Define the following terms: a) System. [1 mark] -Set of interrelated and interdependent components that function together to achieve a common goal/function. b) Information. [1 mark] - Processed and manipulated data – useful to someone Information tells people something they don’t already know, or confirm something that they suspect c) Semi-structured decisions. Give an example and explain your example. [4 marks] -It’s more complex than the structured decisions, but easier than the unstructured decisions -Some of the variables/elements of decision making are known, but not all are known e.g Managers at video game store must decide how many Playstation3 to store Known facts: It is in high demand, Young-adult population in the area, sales pattern from Playstation2 and Playstation Portable, Price of PS3. Unknown facts: Customers’ preferences, number of games available, how well other video game systems (Nintendo Wii and XBOX 360) are doing? d) Leading question. Give an example. [3 marks] Question that will influence interviewee’s answer and inteviewers should stay away from it e.g How much will prices go up next year? Or Do you get on well with your boss? f) Methodology. Give an example. [3 marks] -Comprehensive multiple-step approach to IS development -Used to guide your work and influence the quality of the product e.g SDLC 2. Distinguish between the following terms: a) Flow-type and Temporal events. Give an example for each type of event by drawing a diagram. [6 marks] Flow-type Temporal It’s initiated and triggered by the terminator Terminator sends data to the system Come from outside (environment) The system starts preparing Occur at certain point in time or at certain time intervals – daily, monthly, yearly System behaves as though it has its own clock and calendar - The time for Temporal events is predefined and
Background image of page 2
response for such events once it becomes aware that the event has occurred predetermined It is only associated with outgoing flow – always goes from the system to terminators b) On-line and Real-time system. [4 marks] On-line Real-time - Accept input directly from the point of creation - No time gap - Data is accessed randomly (directly) - Data is stored on Direct Access Storage Device - Data structure is more complicated - Random - Human/computer interaction and interface isimportant and not primitive - Variation of on line systems - Receive data, process it, and prepare results “QUICKLY” to affect the environment - Faster than on-line system - Interact with the user and environment - Designed not only to deal with user’s input,
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/03/2010 for the course CS 432 taught by Professor Sun during the Winter '08 term at University of the West.

Page1 / 7

c432as1w08 - Student Name: Sung Jin Ahn Student ID # :...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online