Human computer interaction questions.

With examples , describe the following terms as related to human computer interaction.

• Cognitive fit
• GOMS
• Metaphor
• Heuristics
• Virtual devices

Virtual reality is considered a two edged sword . While some people find it engaging and practical in applications such as education , others find it socially dangerous. Discuss.

The human eye has a number of limitations

• Give three limitations
• For each ot the limitations , describe how it should be taken into account in the design of visual interface.

Speech recognition is the ability of the computer to recognize and understand human speech. Describe factors that should be considered in order to create a successful speech recognition interface.

With examples, briefly explain the four major types of tasks that are supported by speech recognition technologies

The diagram below shows the user interface designed for an ATM enables the clients of a financial institution to perform financial transactions without the need for a cashier, human clerk or bank teller. For example , atypical ATM transaction may be .

1. User insert  card as prompted
2. User enter 4 digit PIN as prompted
3. User opts to withdraw cash from the menu selection or to enter the amount of cash to withdraw.
4. The user opts to receive an advance slip or not when prompted
5. The user is asked to take card and wait for cash and receipt.

By using  eight golden rules for user interface design , evaluate the diagram below  and then sketch the best user interface for the ATM.

The Camel, a prestigious hotel based in Morogoro, wishes  to introduce new services to its customers. The new services are online and mobile rooms booking . The new services will allow customers to reserve rooms through the hotel`s website or by using their mobile phones. As an Informatics graduate , you are asked to design the two interfaces for booking rooms, one is for online booking and the other for mobile phone booking . Also show clearly the main differences between the two interfaces.

Briefly explain the following terms

• Human Computer Interaction
• Fit
• Usability
• TSSL Model

With examples explain the following as HCI is concerned

1. Individual level systems
2. Work group level systems
3. Organizational level systems
4. Inter-organizational level