1.2.13+Identify+a+range+of+usability+problems+with+commonly+used+digital+devices

= **Pc Usability Issues** =
 * If you are blind, you cannot see the screen
 * If you have no hands, you cannot use the keyboard or mouse
 * If you have only one hand, you can only use either the mouse or keyboard.
 * If you do not have the technical knowledge, device connection may be difficult.

=Cell Phone Usability Issues= =Digital Camera=
 * * If the OS is too complex then users may have issues navigating through the OS
 * If the user as bad eye sight then they may find it hard to see the screen if it is too small and if the text is too small a size.
 * If the user has certain health issues and limited hand mobility such as arthritis then the user input method may pose various issues such as small qwerty keyboard wont be usable.
 * If the user has bad hearing then it would be hard to use a phone with low speaker volumes.
 * If the user is outdoors in the sun then the screen brightness must be high to be visible.
 * The phone must fit in your hand comfortably and should not slip. || [[image:http://r3.whistleout.co.uk/public/images/phones/Apple-iPhone-5-64GB/Apple-iPhone-5-64GB-4-xl.jpg width="204" height="204"]] ||
 * Blindness or partial sightedness can mean using digital cameras is very difficult as the user can’t or will struggle to see what is on the screen as well as connecting them to a computer to transfer files.
 * People with physically debilitating conditions may not be able to hold a camera or push the shutter button.
 * Users with conditions such as Parkinson’s Disease may be unable to hold a digital camera steady.

= Game Consoles =

[|__http://www.answers.com/topic/deafness__] Depending on the severity, could be referred to as "deafness" or "hard of hearing". || • Prevents gamer from following cut scenes that may contain plot information. • Could prevent gamer from receiving game cues such as footsteps or other sounds. || [|__http://www.answers.com/topic/blindness__] The term "low vision" is often used for the ability to see using magnification. Color blindness refers to the inability to see certain colors. || • Color schemes may make it difficult for the color blind to see the game. • Small objects on the screen may not be visible to those with low vision. • Visually based games will not be accessible to the blind. || • A lack of configurable difficulty levels could prevent gamers from being able to set a usable level. || • A large printed manual may be useless for gamers with ADD or ADHD. • Games that require a lot of micro-management will be difficult for those with memory loss. ||
 * Name ||  Definition  ||  Effect on Games  ||
 * Auditory - Deaf or Hard of Hearing ||  "Partial or total lack of hearing".
 * Visual - Blindness, Low Vision, or Color Blindness ||  "Partial or total loss of sight".
 * Mobility ||  Accidents, birth defects, or degenerative neurological diseases could lead to problems moving a mouse or other input device. We are also beginning to see older gamers having problems with games that have high coordination requirements.  ||  • Games that do not support alterative input devices may be inaccessible.
 * Cognitive ||  A variety of different problems could be seen in this category:
 * [|__Dyslexia__]
 * [|__ADD or ADHD__]
 * [|__Asperger Syndrome__]
 * [|__Memory loss__] || • Lack of a tutorial mode could be a problem for dyslexics.

= MP3 Player usability =

Ergonomics >
 * Some MP3 players have relatively small screens. People with limited eyesight
 * Buttons and controls may be too small and users with less mobility on their hands may find it challenging and difficult.