ud-chaining is useful for – McqOptions

MCQOPTIONS

1.	ud-chaining is useful for
A.	Determining whether a particular definition is used anywhere or not
B.	Constant folding
C.	Checking whether a variable is used,without prior assignment
D.	All of these
Answer» E.

Discussion

No Comment Found

Related MCQs

What is the output of this program? import java.io.*; public class filesinputoutput { public static void main(String[] args) { String obj = "abc"; byte b[] = obj.getBytes(); ByteArrayInputStream obj1 = new ByteArrayInputStream(b); for (int i = 0; i < 2; ++ i) { int c; while ((c = obj1.read()) != -1) { if(i == 0) { System.out.print((char)c); } } } } }
In which addressing mode the operand is given explicitly in the instruction ?
Which of the following are language processors
An assembly program contains
Assembly language uses
The length of the one-byte machine language instruction is
A system program that combines the separately compiled modules of a program into a form suitable for execution ?
Which of the following is not a feature of compiler ?
Input of Lex is ?
Yacc semantic action is a sequence of ?