engineering recuitment BEL Probationary Engineers Mock Test 2025 Signals and Systems Introduction To Signals and Systems Classification of Signals
Match List-I with List-II and select the correct answer using the code given below the Lists:
|
List - I |
List – II |
|
A. Even signal |
1. \((\frac{1}{4})^{n} ~u(n)\) |
|
B. Casual signal |
2. x(-n) = x(n) |
|
C. Periodic signal |
3. x(t) u(t) |
|
D. Energy signal |
4. x(n) = x(n + N) |
1
A – 2, B – 3, C – 4, D - 1
2
A – 1, B – 3, C – 4, D - 2
3
A – 2, B – 4, C – 3, D - 1
4
A – 1, B – 4, C – 3, D - 2