Technology has already established a big effect on society, as it includes made many major improvements to just how life on the whole has transformed and improved a great deal. For example, technology has improved upon usability of software and hardware in modern culture. Furthermore specialised interfaces have helped people with disabilities enabling variety to take place.

Describe the impact of HCI on population, the market and culture, providing 5 (five) examples of each subject matter.

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Touch screen telephones, using phones is now easier due to touch screens


Game controllers, game control buttons allow you to play a game and connect with others by sending text messages or attaching a mike to it to talk

Remote control, gives you to remotely control something without being right next to finished. you want to control

Head up Screen, would be good for drivers given that they won’t have to look from the street to see how fast they’re going


Text readers, also called content material to speech

Voice type, example sharing with a lamp to change off and it switches off

Thought input, steering wheel chair users can realize your desire to control their wheel chair by just considering it

Mobile communication, potential to call or text anyone world wide

Reduced complexity of type, everything is easy and requires no more than 2-3 options of input


Games, allow people to connect with one another allowing each other with an open head and speak to differing people with different viewpoints and thoughts

Deskilling work, androids/robots will replace the simple things humans do, e. g. at tesco and a few other places you can provide yourself and self-checkout

Mobile entertainment, you’re now able to watch videos about different cultures with your mobile

Laptops, ability to find the internet, interact with others, watch videos

Domestic appliances, things such as microwaves & diswashers

Task 2 (P2)

Considering that the HCI design principles create a huge effect on a user’s experience of a hardware and software product, describe the Schneiderman (eight rules) and Nielsen’s ten usability heuristics concepts. Remember to describe perception, behaviour models and information handling.


Strive for persistence: either it be the regular same construct or shades, or exactly the same terminology found in menus, prompts and help screens, if it’s in a similar situation it should all be the same or somewhat similar.

Enable recurrent users to work with shortcuts: A normal user of a device or a certain type of application must have the capability to have a shortcut to things they use the most; this might speed up the work flow.

Offer informative opinions: When a user is interacting with their device or request, they should obtain feedback that provides them an obvious representation and it is also understandable.

Design dialog to deliver closure: A users gets a good sense when they know there is a flow from what ever they’re doing, that everything is within a chain, one thing must happen for another. For instance, sending a note on an application such as ‘whatsapp’ first you need to include the contact, then the message it’s home, and then after you have sent the note it shows a ‘D’ letting you know it’s been sent.

Offer simple problem handling: If something should go wrong with a device, a simple kind of hint should pop up to help the user with the situation that occurred. When a certain iphone app crashes it should ask an individual if they’d like a error are accountable to be delivered.

Permit easy reversal of actions: Quite simply ‘undo’ this is needed in a HCI since it would prevent any long lasting mistakes.

Support internal locus of control: a user should obtain some just what a type of display letting an individual know that something is actually happening. Suppose a user endeavors to open up a software and the iphone app is taking a few seconds to ready and start, an individual would instinctually think the software didn’t react to his/her touch so he/she will attempt to reopen the software multiple times before application malfunctions.

Reduce short-term storage load: When a user is utilizing a device they shouldn’t be thinking about the amount of that time period they’ll need to motivate a button or what not, it ought to be a straightforward click of a button, and with selections it shouldn’t need a button push to go up or down it should be a simple scroll pub.

Nielsen’s ten usability heuristics principles

Visibility of System Position: The system should have a certain kind of way to let the user know what is happening and with a good time.

Match between system and real life: The system can speak the users terminology, with the correct words and the right principles and with the right time, so it is communicating evidently with the user

User control and freedom: Sometimes if you are by using a device pretty quickly you have a tendency to open random applications and then you have the ability to instantly abort the application, and never have to feel the process of the prolonged dialogue.

Consistency and benchmarks: The system should always have continuity across the platform.

Error prevention: The better the design is the main one with the better mistake restoration, but also helps prevent users from making the same errors twice.

Recognition somewhat than recall: An individual shouldn’t have to remember the information from dialogue to another, it will all be recognisable and noticeable to the user.

Flexibility and efficiency of use: The machine should have accelerators, which are unseen to the regular user nevertheless they allow the expert customer to do things and get around faster with an increase of frequent activities.

Aesthetic and minimalist design: Dialogues shouldn’t contain information that’s not needed in that specific area, you should always make sure your system is successfully composed.

Help users recognise, diagnose and get over errors: Error emails and error quick boxes should describe the condition in plain terms without code, and should also precisely indicate whatever the challenge may be and also give advice to the user on a solution.

Help and records: Although a system is better without documentation, it might be necessary to provide the help and documentation, so that such information should be easily searched for and found. It will also be focused on the particular user’s job is and list the steps to be carried out.

Task 3 (P3)

McCann Cell phones – a little or more and coming new mobile phone manufacturer – has decided to create a new cellular phone interface for its next group of mobile phones to replace its highly successful first range. The creators have come up with three possible interfaces plus they need to decide which one to make use of. It’s been decided to carry out a study on the alternatives prior to creation. You have the support of the software engineers and production manager so prototypes will be produced available to you. When you are the resident usability evaluator it is your process to carry out any necessary review work also to come up with proposal.

Here will be the three possible interfaces:

The convention qwerty keyboard as used in most personal computers.

An alphabetical keyboard (a, b, c, d, e, . . . , z)

A keyboard based on frequency of identity us (e, t, a, o, n, r. . . z)

Design the source and end result of your mobile prototype. Choose one of the suggested interfaces and describe why.

F:Unit 23 – HCITemplate of mobile design. jpg

Clicking each one of these keys will open up a certain app/web page, with respect to the one you click, for instance if you click on the one with ‘f’ will start a ‘Facebook’ app or website.

Reason why I’ve added this to my mobile prototype is because people now use these two to communicate with each other, with the button suggestions being there, it’ll allow you to get in touch faster and easier considering all you’d have to do is click a button.

Task 4 (P4)

The knob in the centre of this washing machine system controls different fabric washing systems and the configurations for rinse and spin. The control doesn’t have a stop in either course; quite simply it continues to go all the way round to the next cycle.

Create source and output because of this machine which would be best for altering the cycle based on the fabric, temperature, velocity and timer. You can draw a picture to help you clarify the reasons. Provide two new ideas that aren’t available on the market.

img_0193. jpg

Below is exactly what my design would look like and I am explaining both things that I’ve implemented into my design that haven’t been found in the industry.

2. Touchscreen, everything you suggestions will be touch done via the new streamlined touchscreen design.

Child lock passcode, this will be designed in a way that it will be child evidence, for example if you want to lock your machine after they have started and keep every button locked, you’ll go into the kid lock. It is designed in a way so that no matter what you push little or nothing will be occurring but to deactivate the lock you’ll first have to enter in the first 2 digits right, this will enable that you see what you’re inputting and then you go into the rest of your passlock to unlock the machine. G:Device 23 – HCIActivity 4 – Design 1. png

Task 5 (P5)

Based on the truth scenario before, describe how you’ll test your system according to its features. Touch upon the effectiveness of such system and explain any downsides.

Testing the machine child lock

To test the system you’ll first have to enter a child lock cross lock and then attempt to push any of the touch screen control keys to see if anything happens, and little or nothing should happen if the machine is properly made. This will likely be useful considering small children love to stand next to the washing machine when it’s spinning and tend to push switches, but with the child lock they don’t be able to push any keys.

The downside to the system is that the security password is 4 digits long also to have half usage of the system you need to correctly get into the first 2 digits in any other case you’d just be pushing the tips and little or nothing would be taking place, so the downside would be if you forgot the passcode you would have to finish up calling the company to come and reset your security password.

Testing the touch screen

To test this you’ll have to push what you would like, for example, cotton, with 50 degrees Celsius and then on high spin, if the system is working properly it could input the materials first and then the temperatures and then lastly the amount of spins it’ll be doing. The touch screen with the options pays to because it’s easy to use and you may adjust it to the way you want it and won’t have to clock the washing machine knob to the way you want it, you merely have to type the items you want with a touch of a button.

The big disadvantage to having an impression screen is the fact that if it’s dented or busted it’ll be not be working properly, it probably won’t even be functioning at all, which means you won’t be in a position to type anything.

Task 6 (P6)

Bionic vision was once the keep of futuristic technology shows. However, those “Tomorrow’s World” days and nights could soon be certainty with a set of glasses associated with a pc offering hope to thousands of aesthetically impaired people in Britain.

Current technology that can provide profoundly aesthetically impaired people a form of sight through a retinal implant is expensive and invasive, so developing an inexpensive, non-invasive alternative would be a pleasant improvement.

And this is precisely what experts at the School of Oxford will work on. The technology functions by having a tiny video camera attached on to a set of glasses, which relays information to a tiny computer in the user’s pocket. The computer recognises items or people and relays the info to the lenses via very small LED lamps. (Light-emitting diode).

“People would see a bright light within the lens themselves to point an object. The brightness of the light would then suggest how close, or how far away the thing was and that may be enough for the wearer to understand their way around. Using a computer to interpret the entire world on behalf of the wearer means we could use different coloured lighting in the lenses to allow different types of information to be fed back to the wearer” explains Dr. Stephen Hicks, research associate in the Section of Clinical Neurosciences at the College or university of Oxford.

“The innovations in mobile phone and computer game technology, such as face reputation, tracking software and depth detectors enable the visually impaired to gain access to a whole new variety of possibilities”. (Extract from Metro, Sept 19, 2001)

Explain how you would design these devices and doc how you would consider the type, outcome, the quantitative steps and qualitative actions of efficiency of your product.

This would be designed on a set of eyeglasses with a lens that is 5cm heavy, it would have to be sort of solid to squeeze in a pair of small LCD display screen into each one of the lens.

The suggestions and out put works in ways with different excellent colours, for example if the area is clear of objects and folks it might be a dark-colored light with a blue light highlighting the surfaces so that the consumer of the eyeglasses doesn’t bump in to the walls, if an individual is near people it might be a black light with inexperienced light highlighting about where the object or person is so that the consumer doesn’t bump into them.

If it’s dark at night rather than the backgrounds being black they would be white and objects, people and wall surfaces would be outlined with crimson.

The eyeglasses would also be put in place with a vibrator and a reasonable greeting card to make beeping noises when someone gets near to an object in just a close radius of 50 centre meters, and depending on how low/high the thing is, it’ll make a beep & vibrate, the user has the capacity to switch one of these of. Each beep and vibrate will have another type of interpretation for example when a object is really close to the individual and they can walk over it, it could simple beep double and vibrate double, just in case they didn’t notice the beep.

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Ear piece mounted on the glasses that goes into the users ear, it directs beeping signals with respect to the diameter of how close they are to a subject, they can receive the settings improved from where they where given the product, in the event the beeping gets aggravating or they want to change the rate of recurrence of the beeping.

LCD screen projecting lights, dark-colored background, with green to symbolize a thing. If the person that is perspective impaired isn’t impaired terribly, then they can ask you to definitely change the settings of the display screen so the black qualifications is taken away and it is merely see through but it could still highlight objects as green.

If the individual that is vision impaired is badly impaired, you don’t need to be anxious their is a ear piece that also helps, with beeping when coming in close contact to a thing.

Submission Day: Week commencing, 22nd October 2012 in class


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Example Bibliography


Grbich, C. (2007). Qualitative Data Evaluation: an release. London, Sage Magazines Ltd.

Hart, C. (2005). Doing all your Masters Dissertation. London, Sage Publications Ltd.

Journal Articles

Abdullah, F. (2006). “Measuring Service Quality in higher education: HEdPERF versus SERVPERF. ” Marketing Intelligence and Planning 24(1): 31-47.

Bignold, D. (2006). “Schooled and Tooled. ” Caterer & Hotelkeeper 10th August 2006: 23-26.