Explain storage organization
The executing target program runs in its own logical address space in which each program value has a location. The …
Differentiate between Static, Stack, and Heap allocation strategies
Static Allocation: The simpler form of allocation is static allocation. Storage space once allocated was never released. So a very …
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Define the term activation record? Explain different fields in the activation record.
Activation Records Procedure calls and returns are managed by a runtime stack called control stack. Each live activation has an …
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Explain different runtime storage allocation strategies
Stack storage: Names local to a procedure are allocated space on a stack. The stack supports the normal call/ return …
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Write short notes on – Parameter passing technique, Symbol table.
Parameter Passing Technique Step after procedure call is to pass the actual parameters up to the activation record being created. …
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Write the difference between a parse tree and the syntax tree.
Syntax trees resemble parse trees to an extent. In the syntax tree, interior nodes represent programming constructs while in the …
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What is the different error recovery technique used in parsing? Explain them in brief.
There is three type of error recovery technique used in parsing Panic-Mode Recovery Phrase-Level Recovery Error Productions Panic-Mode Recovery: With …
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Differentiate between top-down and bottom-up parsing.
Bottom-Up Parsing Bottom-up parsers build a parse tree from the bottom (leave) to top (root). The top-down parser starts with …
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Role of Lexical Analyzer
Works as an interface between the source program and parser. It examines input text character by character and separates the …
Explanation of Backpatching, Lexical Analysis, and Syntex Analysis
Backpatching If the output of a phase cannot be determined without looking at the remainder of the phase’s input, the …
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