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Lexical analysis, Parsing, Syntax-directed translation, Runtime environments, Intermediate code generation.

$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{2020}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 2&1&2&2&2&1&2&2&1&1&1&1.6&2
\\\hline\textbf{2 Marks Count} & 1 &3&2&1&2&2&2&1&3&2&1&1.9&3
\\\hline\textbf{Total Marks} & 4&7&6&4&6&5&6&4&7&5&\bf{4}&\bf{5.4}&\bf{7}\\\hline
\end{array}}}$$

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Recent questions in Compiler Design

1 votes
0 answers
151
#self doubt
My question is here that...we know what is static single assignment code ...that the left side we will be a new variable...and in 3 address code there is no such thing...now my question is if we use simply 3 address code then what will be the minimum number of temporary variables?
My question is here that...we know what is static single assignment code ...that the left side we will be a new variable...and in 3 address code there is no such thing......
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0 votes
0 answers
152
#self doubt
float a =10 is not a semantic error but in the semantic phase int a =10.0 will be a semantic error or not bcz compiler cannot do explicit type conversion..so it must be an error...but when I am running this program this is showing no error...
float a =10 is not a semantic error but in the semantic phase int a =10.0 will be a semantic error or not bcz compiler cannot do explicit type conversion..so it must be a...
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1 votes
0 answers
153
#self doubt
int 7=10; It is a semantic error or syntax error? My thinking is that it can be tokenized as id id = id ;….So it is valid statement...so it must be semantic error? Correct me if I am wrong.
int 7=10;It is a semantic error or syntax error?My thinking is that it can be tokenized as id id = id ;….So it is valid statement...so it must be semantic error?Correct...
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0 votes
0 answers
154
#self doubt
Assembler,Linker,Macros are there in compiler design?
Assembler,Linker,Macros are there in compiler design?
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0 votes
0 answers
155
NPTEL Assignment Question
NPTEL Assignment Question https://nptel.ac.in/content/storage2/courses/downloads/106105190/noc19_cs01_Assignment12.pdf
NPTEL Assignment Questionhttps://nptel.ac.in/content/storage2/courses/downloads/106105190/noc19_cs01_Assignment12.pdf
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0 votes
0 answers
156
NPTEL Assignment Question
Kindly Solve this sir, My answer is wrong.
Kindly Solve this sir, My answer is wrong.
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0 votes
0 answers
157
NPTEL Assignment Question
Question may be incorrect I guess. Kindly look into it. Sir please solve this.
Question may be incorrect I guess. Kindly look into it. Sir please solve this.
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1 votes
1 answer
159
NPTEL Assignment Question
Natural language constructs are (A) Unambiguous (B) Ambiguous (C) May be unambiguous or ambiguous (D) None of the other options
Natural language constructs are(A) Unambiguous (B) Ambiguous (C) May be unambiguous or ambiguous (D) None of the other options
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0 votes
2 answers
160
lexical and syntax error
what is the difference between lexical error and syntax error?
what is the difference between lexical error and syntax error?
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1 votes
0 answers
161
# Exam name: university exam
Find first & follow for the given grammar S → AB / DC A → a / Aa B → bc / Bbc D → ab / aDb C → c / CC
Find first & follow for the given grammarS → AB / DCA → a / AaB → bc / BbcD → ab / aDbC → c / CC
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0 votes
0 answers
162
Made Easy Test Series
The answer is given as option B,C,D. Can anyone kindly explain how to find ‘In’ and ‘Out’ set for each of the block.
The answer is given as option B,C,D. Can anyone kindly explain how to find ‘In’ and ‘Out’ set for each of the block.
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0 votes
1 answer
163
#self doubt
What is the difference between recursive descent parser and ll(1) parser, since in both no left recursion and left factoring is allowed…..then what is the advantage of using recursive descent parser??
What is the difference between recursive descent parser and ll(1) parser, since in both no left recursion and left factoring is allowed…..then what is the advantage of ...
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1 votes
4 answers
164
#self doubt
Every unambiguous grammar is LR(0) grammar?
Every unambiguous grammar is LR(0) grammar?
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0 votes
2 answers
165
#Selfdoubt How L-attributed semantic rules are evaluated? Whether they are evaluated simultaneously during parsing?
If the grammar has only S-attributed semantic definitions, in a top down parser we will add the semantic action at the end of production and it will we executed when we...
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1 votes
2 answers
166
Applied Test Series
Consider the following code 1. location = -1 2. i=0 3. if (i<100) goto 5 4. goto 13 5. t1 = 4*i 6. go to 3 7. t2 = A[t1] 8. if t2 = x goto 10 9. goto 11 10.location = i 11.t3 = i+1 12.i = t3 13.goto 3 The number of basic blocks from the given code are______
Consider the following code 1. location = -12. i=03. if (i<100) goto 54. goto 135. t1 = 4*i6. go to 37. t2 = A[t1]8. if t2 = x goto 109. goto 1110.location = i11...
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0 votes
0 answers
167
DAG ( compiler Design)
How Directed acyclic graph would be constructed for this instruction? b[j] = a ;
How Directed acyclic graph would be constructed for this instruction?b[j] = a ;
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1 votes
1 answer
170
Made Easy Test Series
According to the solution, there is no error in the program. And I ran the program there is no error. But how the rank is declared as int and initialized by 10.3 which is float. So, there should be a semantic error.
According to the solution, there is no error in the program. And I ran the program there is no error. But how the rank is declared as int and initialized by 10.3 which is...
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