WGU D278 Scripting and Programming -
Foundations (Latest 2024/ 2025 Update) |
Questions and Verified Answers| 100% Correct|
Grade A
What is an editor? - ANSWER A program that allows you to
write code
What is a compiler? - ANSWER A program that produces
other programs. The compiler does all the work at once and then runs the new
program. We're translating the code we wrote to computer code all at once. This
is often when we produce an .exe (executable) file.
What is an interpreter? - ANSWER A program that runs code
one line at a time. Instead of converting all of the code at once it runs each line as
it's needed. It interprets that specific line from your code to computer code.
,What is an operator and what does it do? - ANSWER An
operator takes two operands (values) and does something with them. It is an
object capable of manipulating a value. If it is a comparison or logical operator it
would compare to see if they are similar or dissimilar. If it is a mathematical
operator it would perform mathematical calculations.
What is an expression? - ANSWER something that has a
value.
What is the difference in a terminal and non-terminal expression? - ANSWER
A terminal is a final value, while a non-terminal can be reduced further.
What is proper Python grammar for making an expression? - ANSWER
Expression → Expression Operator Expression
The Expression non-terminal that appears on the left side can be replaced by an
Expression, followed by an Operator, followed by another Expression. For
example, 1 + 1 is an Expression Operator Expression.
What is a variable? - ANSWER a name that refers to a value
, What are the three main types of data covered? How do you declare each one? -
ANSWER string is a sequence of characters surrounded by
quotes, either single or double
example: myVar = "string data"
Integer is a number - ANSWER example: myVar = 33
Boolean is a true or false value - ANSWER example: myVar =
True
What is grammar used for in programming? - ANSWER In a
programming language like Python, the code must match the language grammar
exactly. When programming language grammar is not followed the interpreter will
return a Syntax Error message. This means that the structure of the code is
inconsistent with the rules of the programming language.
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