B.Tech 3 CSE & IT II Sem - Mid-II Test - 2019-20

Compiler Design

1. This test contains 20 multiple choice questions
2. Each question carries one mark
3. Maximum marks : 20
4. Duration : 30 minutes
5. This test can be attempted only once. If there are multiple attempts by creating different logins, all your tests stand cancelled, and no marks will be awarded.

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Which of the following parsers is the most powerful?

The three-address code involves

___________ optimizes the code by removing unnecessary lines so that the number of lines in the program get reduced

Any basic block contain _____ entry point and ____ exit point

In _________ technique always replaces the redundant expression each time it is encountered

A _________ is a directed graph in which the control information is added to the basic blocks

Which of the following is a loop optimization technique

__________ is a node through which all paths will go through it to reach end node

_________ is a flowgraph in which it has both forward and backward edges

______ is used to keep track of which variable is stored in a register

The variables that are declared and used at some point in the program are called______

The action of parsing the source program into proper syntactic classes is called

The method which merges the bodies of two loops is

Which of the following techniques is used to replace run-time computations by compile time computations?

A compiler is preferable to an interpreter because

A grammar that produces more than one parse tree for some sentence is called as

PeeHole optimization __________

When will the relationship between ‘<’ and ‘>’ be

_________ is the most general phase structured grammar