What Braille hardware devices can be used with Linux?
What will be an ideal response?
Linux can be used with Braille hardware devices, including the following:
Braille Display: Converts the contents of the standard display terminal into impulses that are sent to a series of pins. These pins form Braille symbols that the user experiences tactilely.
Braille Embosser: Prints a hard copy of a text document using embossed Braille characters.
BRLTTY is a Linux service (daemon) which provides access to the Linux console in text mode for users using Braille displays. It drives the braille display and provides screen review functionality.
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Suppose we write a function for a class which is not supposed to change any data members in the class. When we test the class, we get a runtime error. After tracking down the source of the runtime error, we realize that this function mistakenly changed the value of a data member. To make things easier, we should have:
A. passed parameters into the function using const reference B. declared all the data members as constant (using const at the front of their declarations) C. used const at the end of the function prototype D. used a Peterson Language Modifier
Servers are essential in today's business world because they can centralize security and other resources
Indicate whether the statement is true or false
_________ attacks are becoming less common in modern operating systems
a. Denial of service b. SYN flood c. Buffer overflow d. None of the above.
To print a wide database table, a table whose contents do not fit on the screen, you will need portrait orientation.
Answer the following statement true (T) or false (F)