Phases of Compiler Design Mcqs

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10.
Which of these is not a part of Synthesis phase

Obtain machine code corresponding to the mnemonic from the Mnemonics table

Obtain address of a memory operand from the symbol table

Perform LC processing

Synthesize a machine instruction or the machine form of a constant

11.
The following features are needed to implement top down parsing

Source string marker

Prediction making mechanism

Matching and Backtracking mechanism

All of the above

14.
Which of the following derivation a top-down parser use while parsing an input string? The input is assumed to be scanned in left to right order ?

Leftmost derivation

Leftmost derivation traced out in reverse

Rightmost derivation

Rightmost derivation traced out in reverse

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