ISRO Scientist or Engineer Computer Science 2015

$$D_{1} \oplus D_{2} \oplus ...........\oplus D_{n}$$

$$D_{1} \times D_{2} \times ...........\times D_{n}$$

$$D_{1} \cup D_{2} \cup ...........\cup D_{n}$$

$$D_{1} \cap D_{2} \cap ...........\cap D_{n}$$

Find the namesof all suppliers who have supplied a non-blue part

Find the namesofall suppliers who have not supplied a non-blue part

Find the namesofall suppliers who have supplied only non-blue parts

Find the namesofall suppliers who have not supplied only non-blue parts

Average salary of male employeeis the average salary of the organization

Average salary of male employeeis less than the average salary of the organization

Average salary of male employee is equal to the average salary of the organization

Average salary of male employees is more than the average salary of the organization

*has higher precedence than +

—has higher precedence than *

+and—have same precedence

+has higher precedence than *

13

6

10

11

(i) only

(i) and (ii)

(i) and (iii)

(i) and (iv)

Recursive descent parser

Shift left associative parser

SLR (k) parser

LR (k) parser

yet accept compiler constructs

yet accept compiler compiler

yet another compiler constructs

yet another compiler compiler

LALR parser is most powerful and costly as compare to other parsers

All CFG’s are LP andnot all grammarsare uniquely defined

Every SLR grammaris unambiguous butnot every unambiguous grammar is SLR

LR(K) is the most general back tracking shift reduce parsing method

(i) and(ii)

(i) and (iii)

All of the above

None of the above