1
GATE CSE 1990
True or False
+1
-0
State whether the following statement is TRUE / FALSE.

Regularity is preserved under the operation of string reversal.

A
TRUE
B
FALSE
2
GATE CSE 1990
True or False
+1
-0
State whether the following statement is TRUE / FALSE.

All subjects of regular sets are regular.

A
TRUE
B
FALSE
3
GATE CSE 1990
True or False
+1
-0
State whether the following statement is TRUE / FALSE.

The intersection of two $$CFL's$$ is also $$CFL.$$

A
TRUE
B
FALSE
4
GATE CSE 1990
True or False
+1
-0
State whether the following statement is TRUE / FALSE.

A is recursive if both a and its complement are accepted by Turing Machine M accepts.

A
TRUE
B
FALSE
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