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Exam (elaborations)
COS3701 Theoretical Computer Science III Exam 
Preparation Pack 2026–2027 | Comprehensive 
Theoretical Computer Science III Practice Questions 
with Verified Answers & Explanations | Latest 
COS3701 Syllabus & Exam Prep
COS3701 Theoretical Computer Science III Exam 
Preparation Pack 2026–2027 | Comprehensive 
Theoretical Computer Science III Practice Questions 
with Verified Answers & Explanations | Latest 
COS3701 Syllabus & Exam Prep
Exam (elaborations)
COS3701 ASSIGNMENT 3 2025
PopularQuestion 1 [10 Marks] 
You are given two languages: 
 L1 = (aa)* 
This means strings with zero or more repetitions of “aa”. Examples include: ε 
(empty string), aa, aaaa, aaaaaa, etc. 
 L2 = (a + b)*ab(a + b)* 
This language includes all strings that contain the substring "ab" somewhere in 
the middle, surrounded by any number of a’s and b’s on either side. 
Grammar for L1: 
We need to create a grammar G1 = (V, Σ, R, S) that generates only strings in (aa)*
Exam (elaborations)
Test Bank for International Economics.
Test Bank for International Economics.
Exam (elaborations)
COS3701
COS3701
Exam (elaborations)
COS3701 Assignment 2 (COMPLETE ANSWERS) 2025
COS3701 Assignment 2 (COMPLETE ANSWERS) 2025
Exam (elaborations)
STA1610 Assignment 2 Solutions 2022 [Unique No.: 650587] COS3701 Assignment 4 2022
STA1610 Assignment 2 Solutions 2022 [Unique No.: 650587] 
 
 
COS3701 
 
 
Assignment 4 
 
 
2022 
 
 
 
Unique No.: 830436 
 
 
Due Date: 29 September 2022 
 
In this document you will find 
 
 
1.The complete suggested solutions to COS3701 Assignment 4 2022 
 
 
 
2.As a bonus you will have access to download the COS3701 prescribed textbook(Introduction to computer theory 2nd edition Daniel I.A. Cohen) completely free of charge by clicking the google drive link on the last page of this documen...