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Adobe Acrobat, FoxIt PDF editor 11, and Kofax Power PDF all have onboard text recognition or OCR tools.
\n <\/p>\n","answer":"

Answer: True.<\/p>\n\n

Feedback: Each of the aforementioned tools have onboard text recognition or OCR tools. <\/p>\n","tips":{}},{"text":"

You should avoid using symbols and wingdings to represent checkboxes or radio buttons.
\n <\/p>\n","answer":"

Answer: True. <\/p>\n\n

Feedback: Just as you think about what type of styles you're going to be using in a document, you need to think about the different form controls that you're going to use in a PDF document. There are some basic rules. Avoid using symbols and wingdings to represent checkboxes or radio buttons. You're only going to have to art affect those in the PDF and it may create an accessibility barrier in that you're going to have to cover those up in your PDF form. <\/p>\n","tips":{}},{"text":"

Tables can be used for document design layout.<\/p>\n","answer":"

Answer: False. <\/p>\n\n

Feedback: In most cases, it is not a good idea to use tables for document design layout. It has been a rule, a guideline, a best practice, since the beginnings of HTML even though people ignore it, but in documents you can't ignore it. We don't have the ability in a PDF document to say ignore the table. The other reason we don't generally use tables for design layout is because those of us who do use the keyboard with or without adaptive technology such as screen readers have separate reading and navigation commands for tables. <\/p>\n","tips":{}}],"behaviour":{"enableRetry":true,"disableBackwardsNavigation":false,"scaleTextNotCard":false,"randomCards":false,"maxProficiency":5,"quickProgression":false},"answer":"Turn","next":"Next","prev":"Previous","retry":"Retry","correctAnswer":"I got it right!","incorrectAnswer":"I got it wrong","round":"Round @round","cardsLeft":"Cards left: @number","nextRound":"Proceed to round @round","startOver":"Start over","showSummary":"Next","summary":"Summary","summaryCardsRight":"Cards you got right:","summaryCardsWrong":"Cards you got wrong:","summaryCardsNotShown":"Cards in pool not shown:","summaryOverallScore":"Overall Score","summaryCardsCompleted":"Cards you have completed learning:","summaryCompletedRounds":"Completed rounds:","summaryAllDone":"Well done! You got all @cards cards correct @max times in a row!","progressText":"Card @card of @total","cardFrontLabel":"Card front","cardBackLabel":"Card back","tipButtonLabel":"Show tip","audioNotSupported":"Your browser does not support this audio","confirmStartingOver":{"header":"Start over?","body":"All progress will be lost. Are you sure you want to start over?","cancelLabel":"Cancel","confirmLabel":"Start over"},"description":"","title":""}

Module 2: Knowledge Check - The Basics of Accessible Form Design

Brian Gould