The type of system software that performs a specific task, usually related to managing a computer, it's devices or its programs is known as _____________.

Statements:          N # L,      L @A,     A % I,     I & E

Conclusions :         

Statements: H > S ≥ F = B ≤ U≤ T; E ≤ K ≤ B

Conclusions:I. U ≥ E II. S > T

Statements: B < C ≥ D > E; F < A ≥ C; Q < F = G

Conclusions:

I. B < A

II. D ≤ F

III. G > E

Statements: J < K, J < L, L > M

Conclusions: I. J < M II. L = J

Statements:Q ≥ R,R < S,S < T

Conclusions: I. T > R II. Q ≥ T

Statements: S ≥ U < N = A; D > U ≥ C

Conclusions: I. A > D II. C < A

In which of these expression ‘J > B’ is definitely True?

Statements: A < B ≤ C, A > E, F ≤ B < D

Conclusions:

I. D > A

II. E < B

III. C > E

IV. D > C