Class activity 2 of Human Computer Interaction Name

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Class activity 2 of Human Computer Interaction Name: Tan Zhi Quan(A 18 CS 0260)

Class activity 2 of Human Computer Interaction Name: Tan Zhi Quan(A 18 CS 0260) Tan Wei Kok(A 18 CS 0258) Section: 6 Lecturer: Nor Anita Fairos Binti Ismail Example of interface design: 1. Water vending machine 2. Remote control of air condition

FIRST USER INTERFACE DESIGN: WATER VENDING MACHINE Purpose: To provide the clean water source

FIRST USER INTERFACE DESIGN: WATER VENDING MACHINE Purpose: To provide the clean water source to the people. Location: MA 1 Level 1, KTDI Amount of money inserted Amount of water bought Dr. Sukida water vending machine Start button Stop button Insert coin

Advantages and disadvantages for the water machine Advantages -easy to use -Provide large amount

Advantages and disadvantages for the water machine Advantages -easy to use -Provide large amount of water Disadvantages -only available for coin. -Unable to cancel. -Insensitive of detection for coin input. -Unable to provide cold or hot water.

Modification 1. Add extra money input(RM 1) to the water machine. -Customer can buy

Modification 1. Add extra money input(RM 1) to the water machine. -Customer can buy the water more easily. 2. Change the input detector to more sensitive. -Customer feel more relieved when buying the water. 3. Insert the heater and freezer into the machine. -More options for customer.

SECOND USER INTERFACE DESIGN: REMO TE CONTOL OF AIR CONDITION Purpose of the interface

SECOND USER INTERFACE DESIGN: REMO TE CONTOL OF AIR CONDITION Purpose of the interface : To allow human able to control the various specification of the air conditioner. Location conditioner Location of the survey : MPK 9, LEVEL 5, School of Computing, N 28

Figure : Location of the interface Disadvantages Advantages -Ease of use -Low Cost -Hard

Figure : Location of the interface Disadvantages Advantages -Ease of use -Low Cost -Hard to control accurately -Unable to identify the actual condition of AC -Inconvenient to carry Switch Temperature control button Fan Speed control button Figure : Remote control

Explaination For the advantages It is ease of use because the button is less,

Explaination For the advantages It is ease of use because the button is less, it is obvious that what is the each button representing. It is low cost, the structure of the remote control is simple. For the disadvantages It is hard to control accurately. For example, when we want to adjust the temperature to 20 °C, the design of the remote control does not support this. If the air conditioner have some problem, by using this remote control, we cant clearly know that what is the problem. It is also inconvenient to carry, From the design, it is connected with wire, it have a limiting places for placing the remote control. Figure : A remote control

Why design the remote control at that way? It might because at that moment,

Why design the remote control at that way? It might because at that moment, the technology and technical support is not good enough to have an advanced remote control. Figure: A better design.