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Section A: Multiple choice 24 points 1. The smallest period with which a signal is periodic is called the __ d) Basis signal a) Fundamental frequency b)Fundamental Period c) unit step 2. Signals are classified into the following categories except? c) Energy and Power d) Real and Imaginary e) None a) Even and Odd b) Periodic and Aperiodic 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 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: c) Amplitude & time d) frequency & period e) None a) Vertical & horizontal b) scaling & shifting 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 time. Otherwise, the system is considered as time invariant. a) True b) False 8. Is the system y(t)=x(t)x(n-2) memoryless? a) True b) False e) None

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Section A: Multiple choice 24 points
1. The smallest period with which a signal is periodic is called the
__
d) Basis signal
a) Fundamental frequency b)Fundamental Period
c) unit step
2. Signals are classified into the following categories except?
c) Energy and Power d) Real and Imaginary
e) None
a) Even and Odd
b) Periodic and Aperiodic
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
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:
c) Amplitude & time d) frequency & period e) None
a) Vertical & horizontal
b) scaling & shifting
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 time. Otherwise, the
system is considered as time invariant.
a) True
b) False
8. Is the system
y(t)=x(t)x(n-2)
memoryless?
a) True
b) False
e) None

Section A: Multiple choice 24 points 1. The smallest period with which a signal is periodic is called the __ d) Basis signal a) Fundamental frequency b)Fundamental Period c) unit step 2. Signals are classified into the following categories except? c) Energy and Power d) Real and Imaginary e) None a) Even and Odd b) Periodic and Aperiodic 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 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: c) Amplitude & time d) frequency & period e) None a) Vertical & horizontal b) scaling & shifting 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 time. Otherwise, the system is considered as time invariant. a) True b) False 8. Is the system y(t)=x(t)x(n-2) memoryless? a) True b) False e) None

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1. The smallest period with which a signal is periodic is called the<br />b) Fundamental Period<br /><br />2. Signals are classified into the following categories except?<br />c) Energy and Power<br /><br />3. A signal is said to be<br />b) Deterministic<br />if there is no uncertainty with respect to its value at any instant of time.<br /><br />4. A signal is said to be odd when it satisfies the condition<br />$x(t)=x(-t)$<br />b) False<br /><br />5. Basic operations on signal are based on:<br />b) scaling & shifting<br /><br />6. Systems are classified into the following categories except?<br />d) Deterministic & Non-deterministic<br /><br />7. A system is said to be time variant if its input and output characteristics vary with time. Otherwise, the<br />system is considered as time invariant.<br />a) True<br /><br />8. Is the system<br />$y(t)=x(t)x(n-2)$<br />memoryless?<br />b) False
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