Answer: a)Proprietary OS
Explanation: Proprietary operating system is the system that is designed for the certain organizations to serve the purpose of designing,development, concepts production etc activities.
Proprietary operating system is constructed and then sold by the companies itself but no alteration can be done by the user in it.E.g.-Mac OS X.Therefore , the correct answer is option (a).
Answer: Pseudo code
Explanation:Pseudo code is a false code that is written in the textual story board to make the fictional plot of the story more understandable in the layman terms for everyone.This is done to increase the readability of the code , which cannot be understood easily by the actual code.
It is implemented on the algorithms of a program in computer field so that the complex coding statements can be understood by the programmer.
You would want to configure to show file extensions for a couple different reasons. First if you have a couple files and they are have the same name but one is say a PDF while the other is a DOCX file. Another reason, mainly for development, programming, graphic design, ect. you may need to know different extensions to determine the language a file is written in such as PHP, HTML, ect. or to know an image type such as jpg, png, gif, ect.
Answer:
Explanation:
a) The Left-most derivataion for ababccddcc
S ⇒ AB
L.M.D
→ aAbB
→ aabbB
→ aabb CBd
→ aabb CCdd
b) Derivation tree for the derivation in part(a)
The attached diagram ilustrate the three derivation
c) To define L(G) with set notation
L(G) = {a
∧n
b
∧n
|n ≥ 0}.