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Q.

In the compiler, the function of using intermediate code is:

A

to improve the register allocation

B

to increase the error reporting & recovery.

C

to make semantic analysis easier.

D

to increase the chances of re-using the machine-independent code optimizer in other compilers.

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MCQ

1.

Which of the following is not a characteristic of the compiler?

A

More execution time

B

Debugging process is slow

C

The execution takes place after the removal of all syntax errors

D

Firstly scans the entire program and then transforms it into machine-understandable code

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2.

The compiler can detect what type of errors?

A

neither logical nor grammatical error

B

logical errors only

C

grammatical errors only

D

both grammatical and logical errors

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3.

In which parsing, the parser constructs the parse tree from the start symbol and transforms it into the input symbol.

A

Bottom-up parsing

B

Top-down parsing

C

None of the above

D

Both a and b

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4.

Which of the following are labeled by operator symbol?

A

Root

B

Interior nodes

C

Leaves

D

Nodes

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5.

Which algorithm invokes a function GETREG()?

A

Code motion algorithm

B

Code optimization algorithm

C

Intermediate Code

D

Code generation algorithm

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