define keyboard and variable
Answers
Answer:
As the name implies, a keyboard is basically a board of keys. Along with the mouse, the keyboard is one of the primary input devices used with a computer.
Explanation:
Keyboard is a set of keys that enables you to enter data into computer. It is the main input device of the computer.
VARIABLES ARE data values that can change when the user is asked a question, for example, their age. Variables may change during program execution. A variable is a memory location . It has a name that is associated with that location. The memory location is used to hold data.
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Correct answer
Keyboard:
A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
Variable:
In mathematics, a variable is a symbol which functions as a placeholder for varying expression or quantities, and is often used to represent an arbitrary element of a set. In addition to numbers, variables are commonly used to represent vectors, matrices and functions
Keyboard variables:
You can specify one or more KEYBOARD variables. Attributes that you can set are identified by one or more sets of keywords and associated values, separated from each other by spaces or tabs; the syntax is: KEYBOARD keyword=value [keyword=value]...
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