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What is a label instruction?
The LABEL instruction adds metadata to an image. A LABEL is a key-value pair. To include spaces within a LABEL value, use quotes and backslashes as you would in command-line parsing. A few usage examples: LABEL “com.
What are WCAG 2.1 standards?
Web Content Accessibility Guidelines (WCAG) 2.1 defines how to make Web content more accessible to people with disabilities. Accessibility involves a wide range of disabilities, including visual, auditory, physical, speech, cognitive, language, learning, and neurological disabilities.
What types of labels must be used in case labels?
Two types of labels can be put in a switch statement. A case label consists of the keyword case , followed by an expression that evaluates to integer constant. A default label consists of the keyword default . Case labels are used to associate an integer value with a statement in the code.
How do you define an arm label?
A label is a symbol that represents the memory address of an instruction or data. The address can be PC-relative, register-relative, or absolute. Labels are local to the source file unless you make them global using the EXPORT directive. The address given by a label is calculated during assembly.
What is wcag21?
Principle 1: Perceivable This means you need to do things like: provide text alternatives (‘alt text’) for non-text content. provide transcripts for audio and video. not use images of text. make sure your service is responsive – for example to the user’s device, page orientation and font size they like to use.
What are the four principles of WCAG?
Perceivable, Operable, Understandable, Robust (POUR). The WCAG approach to creating accessible digital content is based on these four principles.
What is a label and how does the assembler differentiates between code labels and data labels?
A label merely names a single point in either code or data. Labels are used to name the entry point of a subroutine, to name the beginning of some data, to name points in the code for construction of control flow constructs, like if-then-else, while-do..
When do you need labels in WCAG 2.1?
WCAG 2.1 – SC 3.3.2 Labels or Instructions Labels and/or instructions are necessary when the content requires user input. The instructions need to be clear and simple, and should not contain information unnecessary to complete the task at hand.
What are the required fields in wuhcag level a?
Things like ‘First name’, ‘Email’ and ‘Your message’ are fine. The same goes for instructions, ‘Required fields are in red and have a * symbol’ works great. So does ‘Fill in this form and click ‘Submit’ to get in touch’.
What are the labels for the three fields?
Visual labels for the fields (beyond the punctuation) cannot be provided in the design, so invisible labels are provided with the “title” attribute to each of the three fields. The value of this attribute for the three fields are, respectively, “Area Code”, “Exchange”, and “Number”.
Can a single phone number label Label all three fields?
The single “Phone number” label also cannot label all three fields. To address this, the three fields are grouped in a fieldset with the legend “Phone number”. Visual labels for the fields (beyond the punctuation) cannot be provided in the design, so invisible labels are provided with the “title” attribute to each of the three fields.