tudent ID number: Section A: Multiple choice. 24 points 1. The smallest period with which a signal is periodic is called the .......... a) Fundamental frequency b) Fundamental Period c) unit step d) Basis signal d) Basis sign 2. Signals are classified into the following categories except? a) Even and Odd b) Periodic and Aperiodic c) Energy and Power d) Real and Imaginary 3. A signal is said to be if there is no uncertainty with respect to its value at any instant of ti a) Discrete b) Deterministic c) Periodic d) Real e) None 4. A signal is said to be odd when it satisfies the condition x(t)=x(-t) a) True B) False 5. Basic operations on signal are based on: b) scaling & shifting c) Amplitude & time d) frequency & period a) Vertical & horizontal 6. Systems are classified into the following categories except? c) Causal & Non-causal a) Liner & Non-liner b) Static & Dynamic d) Deterministic & Non -deterministic e) None of the above 7. A system is said to be time variant if its input and output characteristics vary with tim system is considered as time invariant. a) True b) False e) None

Question

tudent ID number: Section A: Multiple choice. 24 points 1. The smallest period with which a signal is periodic is called the .......... a) Fundamental frequency b) Fundamental Period c) unit step d) Basis signal d) Basis sign 2. Signals are classified into the following categories except? a) Even and Odd b) Periodic and Aperiodic c) Energy and Power d) Real and Imaginary 3. A signal is said to be if there is no uncertainty with respect to its value at any instant of ti a) Discrete b) Deterministic c) Periodic d) Real e) None 4. A signal is said to be odd when it satisfies the condition x(t)=x(-t) a) True B) False 5. Basic operations on signal are based on: b) scaling & shifting c) Amplitude & time d) frequency & period a) Vertical & horizontal 6. Systems are classified into the following categories except? c) Causal & Non-causal a) Liner & Non-liner b) Static & Dynamic d) Deterministic & Non -deterministic e) None of the above 7. A system is said to be time variant if its input and output characteristics vary with tim system is considered as time invariant. a) True b) False e) None

Answer 1

Section A: Multiple choice. 24 points1. The smallest period with which a signal is periodic is called the............ - a) Fundamental frequency - b) Fundamental Period - c) unit step - d) Basis signal - e) None of the above **Answer: b) Fundamental Period**2. Signals are classified into the following categories except? - a) Even and Odd - b) Periodic and Aperiodic - c) Energy and Power - d) Real and Imaginary - e) None of the above **Answer: e) None of the above**3. A signal is said to be __ if there is no uncertainty with respect to its value at any instant of time. - a) Discrete - b) Deterministic - c) Periodic - d) Real - e) None **Answer: b) Deterministic**4. A signal is said to be odd when it satisfies the condition \( x(t) = x(-t) \). - a) True - b) False - c) None of the above - d) Not applicable **Answer: a) True**5. Basic operations on signal are based on: - a) Vertical & horizontal - b) scaling & shifting - c) Amplitude & time - d) frequency & period - e) None of the above **Answer: b) scaling & shifting**6. Systems are classified into the following categories except? - a) Linear & Non-linear - b) Static & Dynamic - c) Causal & Non-causal - d) Deterministic & Non-deterministic - e) None of the above **Answer: e) None of the above**7. A system is said to be time variant if its input and output characteristics vary with time. The system is considered as time invariant. - a) True - b) False - c) None of the above - d) Not applicable **Answer: b) False**

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