1. . What is text preprocessing in the context of operating systems?
(A) Cleaning and preparing text data before it is processed by the operating system
(B) Parsing and analyzing text data in an operating system
(C) Converting text data into machine-readable format
(D) Generating natural language outputs from text data in an operating system
2. . Which of the following is NOT a step in text preprocessing in operating systems?
(A) Syntax analysis
(B) Lemmatization
(C) Tokenization
(D) Stop word removal
3. . Which of the following is an example of text cleaning in operating systems?
(A) Removing HTML tags from text
(B) Removing stopwords from text
(C) Converting text to lowercase
(D) All of the above
4. . How many modes are there in Vi editor?
(A) One
(B) Two
(C) Three
(D) Four
5. . Which of the following is a mode of Vi editor?
(A) Insert
(B) a & c
(C) Command
(D) Eject
6. . Following command is used to display line number?
(A) display
(B) set no
(C) set numb
(D) set nu
7. . _________ Key is used to move one line up?
(A) u
(B) k
(C) d
(D) l
8. . _________ Key is used to delete character?
(A) x
(B) y
(C) z
(D) c
9. . _________ Key is used to undo last change?
(A) Q
(B) d
(C) m
(D) u
10. . Which technique is used to handle misspelled words in text data for operating systems?
(A) Tokenization
(B) Stemming
(C) Spell checking and correction
(D) Lemmatization