The set of strings with an equal number of a's, b's, c's and d's, in any random order, can be described by which kind of grammar? OA. A regular grammar OB. A context-free grammar but not by any regular grammar OC. A context-sensitive grammar but not by any context-free grammar OD. None of the above, since no grammar can generate this language

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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The set of strings with an equal number of a's, b's, c's and d's, in any random
order, can be described by which kind of grammar?
OA. A regular grammar
B. A context-free grammar but not by any regular grammar
C. A context-sensitive grammar but not by any context-free grammar
OD. None of the above, since no grammar can generate this language
Transcribed Image Text:The set of strings with an equal number of a's, b's, c's and d's, in any random order, can be described by which kind of grammar? OA. A regular grammar B. A context-free grammar but not by any regular grammar C. A context-sensitive grammar but not by any context-free grammar OD. None of the above, since no grammar can generate this language
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