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Sunday, December 25, 2011

on screen keyboard (osk)

hello every body, hope all is well. now i provide a very interesting & funny tutorial for you.
when your keyboard does not work properly. you need to change it. but you fallen this type problem but in hurry, you need to finish your work quickly. so, don't worry click start menu click run. 

run window will be appear. now compose in open : osk. and click ok. on-screen keyboard window will be appear. 
now you can every thing which you can doing your keyboard. 
ok let's we will be learn about osk.
on screen keyboard is a welcome edition and has proved useful for huge of my clients. but like most of windows accessibility options and utilities there are limitations meaning that many users will need to upgrade to a commercial on-screen keyboard.
the above is a screenshot of windows xp's osk displayed original size. it is lightly straight forward but does have some features and limitations that require some further investigation.
it is very important to adapt a computer screen so that it is visually accessible and comfortable for your pupil. only limited adjustments can be made to this on-screen keyboard mostly because the window is a fixed size. it is possible to enlarge and change the font typeface by selecting 'fonts' from the settings menu but the size of the letters is limited by the fixed size of the keys.
it is not easy/possible to change the colors of the letters or the keys with in the program itself but one can resort to using the windows control panel to define a new 'global' color scheme across windows as a whole. for some reason known only to microsoft, the osk keys use '3d objects' to define fore color and 'menus' for the background. these can be set in the advanced section under appearance in the control panel's display applet. try not to be put off by the word 'advanced', i have more information on this in my guide to fine-tuning the windows display.
i was quite surprised when i first received windows xp and found that it had an on-screen keyboard bundled with it. i found out that it could be accessed using a switch although it has some limitations the windows osk is free and can prove capable for many users, especially for those who are struggling to find the resources needed to purchase the fairly expensive commercial keyboards.
the keyboard can be put into a 'block' mode where each row of keys is divided into three columns. this allows more efficient row-column scanning as a pupil wouldn't have to scan all the way from 'a' through 'o' in order to get 'p'. for some users it might be best to keep the regular layout.
windows xp can accept joystick input or from the keyboard it accepts space, enter or any one of the f1--f12 keys. the first input starts the scan and the second then selects the group with the third accepting the desired key. this can be seen in the image above, where the scanning highlight has reached the rtyui block. this is a fairly basic type of single-switch scanning - the keyboard does not accept two-switch scanning.
for these users you would need to use commercial software like clicker or the grid, the latter especially offers many advanced and intuitive switch access techniques but isn't, quite understandably. another xp limitation is the layout of the letters. they have been set out to emulate a standard keyboard which makes it faster for mouse users who are already familiar with the qwerty layout. switch users will find this very frustrating, however, as they would often be better off with a layout that corresponds with frequency of use, starting with the letter 'e' in the top left corner and working down.
many on-screen keyboards can be customized. extra keys can be added to provide whole words or sentences or 'macro' scripts that perform a function such as turning on a lamp or shutting down the computer. keys can even link to extra 'pages' of the keyboard that provide whole new layouts of custom-made keys.
most on-screen keyboards such as the grid, penfriend and click n type provide space on the keyboard for prediction. the prediction software works by analysing your high frequency words and providing suggestions as you type the first one or two letter, or even as you complete the previous word. this can be of enormous benefit to on-screen keyboard users as the number of virtual keystrokes saved cuts down on physical exertion and greatly accelerates the overall typing rate.
many on-screen keyboards provide audio output of the keys as they are highlighted through the scanning. this is very useful for reading difficulties.
the windows xp on-screen keyboard has no audio output other than an optional 'click' noise each time a key is pressed. this audio feedback can help some users as they don't need to move their eyes to check that their letter has appeared in the client application, but the program does not support audio curing while scanning or hovering over keys.
the keys on the windows xp osk automatically scale up to fill the window when it is forcibly resized. this when i set the menu fonts to extra large and noticed that the keys all remained within the fixed window and reduced in size equal to one another.
it is possible to maximise the osk even though there isn't a maximise button. this can be accomplished through the windows task manager which can usually be accessed by pressing: ctrl + alt + del
unfortunately it is then impossible to see any other program in windows whilst using the keyboard. you can return the keyboard to its standard size by double-clicking on the title bar.
i might be able get round this problem by temporarily adjusting the screen work area as dockable windows such as the taskbar and google's sidebar manage, but unfortunately the osk is not well behaved and does not check this system parameter when it is maximized.
thanks & enjoy.

written by: md. faisal (follower g3leads)

19 comments:

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Item Reviewed: on screen keyboard (osk) Rating: 5 Reviewed By: Unknown