CS408 Human Computer Interaction Assignment No. 02 Fall 2014
Q.1
What are the two aspects of Action Cycle with respect to Human actions? Briefly explain each one of them. Also give pictorial representation of Action cycle. 3+2
Q.2
In the science of cognitive psychology the term of “mental models” has been explained by Johnson-Laird. Describe Johnson’s mental model in your own words. Also describe the difference between an image and mental model with respect to Johnson-Laird mental model. 2.5 +2.5
Q.3
Consider a scenario in which a student of CA appears in the exams for the first time and he got fail. Second time he also tried but again failed. Now he thought that it is impossible for him to pass the CA examination. Which self blaming type can be applied to that student and what will be effects of that self blaming. 2.5+ 2.5
CS408 Human Computer Interaction Assignment No. 02 Fall 2014
Check Online CS614 Data Warehousing Assignment No. 2 8th December 2014 Due Date
Assignment comprises of 20 Marks. Note that no assignment will be accepted after due date via email in any case (whether it is the case of load shedding or emergency electric failure or internet malfunctioning etc.). Hence, refrain from uploading assignment in the last hour of the deadline, and try to upload Solutions at least 02 days before the deadline to avoid inconvenience later on.
Question No. 1 [10]
You are given ERD as shown below. Perform appropriate de-normalization technique to any of the one-to-one and one-to-many relations
Question No. 2 [10]
Consider the below given tables:
Student_ Info
GSc101 General Science Discussion And Solution Assignment # 02
Question # 1
A box of mass 50 kg covers a distance of 75 m in 5 minutes. The box is displaced by a rope making an angle 45 degree with horizontal. Find the amount of work done and power consumed to displace the box. Marks = 4+3
Question # 2
Energy can neither be created nor be destroyed, but can be converted from one form to another. Verify this statement by giving examples. Marks = 3+3
Question # 3
An object ‘momentum depends upon the object’s
Note: Select the best choice given below according to your best of knowledge, and also write the reason of your selected choice as well.
a) mass speed and acceleration
b) mass speed and direction of motion
c) speed and acceleration
d) velocity and direction of motion
e) mass and acceleration
Marks = 2+3
Question # 4
Calculate the molecular mass of the following substances:
H2O, H2SO4,C6H12O6 Marks = 3
Question # 5
A light ray strikes the surface of a pond at an angle 38.5°. At what angle is the ray refracted.
Marks = 4
GSc101 General Science Discussion And Solution Assignment # 02
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