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MCQ

Q.

__________ are used to keep track of memory locations where the values of identifiers are stored.

A

Register descriptor

B

Address descriptor

C

Both A and B

D

None of the above

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Similar Questions

MCQ

1.

How many descriptors are used for track both the registers (for availability) and addresses (location of values) while generating the code?

A

2

B

3

C

4

D

5

Discussion

MCQ

2.

___________ is a tool that depicts the structure of basic blocks, helps to see the flow of values flowing among the basic blocks, and offers optimization too.

A

DAG

B

CAG

C

SAG

D

PAG

Discussion

MCQ

3.

x * 2 can be replaced by x << 1 is an example of?

A

Algebraic expression simplification

B

Accessing machine instructions

C

Strength reduction

D

Code Generator

Discussion

MCQ

4.

System program such as compiler are designed so that they are

A

Re-enterable

B

Non reusable

C

Serially usable

D

None of the mentioned

Discussion

MCQ

5.

Which of these does not belong to CFG?

A

Terminal Symbol

B

Non terminal Symbol

C

Start symbol

D

End Symbol

Discussion

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