# Languages-Assembly Language [Hughes Placement]: Sample Questions 1 - 2 of 6

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## Question 1

Assembly Language

### Write in Short

Considering the analog signal 3cos200 t, determine the minimum sampling rate required to avoid aliasing.

### Explanation

• Nyquist criteria says that if we want to transmit any signal through the channel without any type of distortion, then sampling frequency should be at least twice or greater then signal frequency.
• If signal frequency is fc and sampling frequency is fm then,
• If this criteria is not fulfilled then aliasing effect will take place where, signal will not be received as it was transmitted from the transmitter side and lower frequency components will be irretrievably lost.
• Here, the given signal is 3cos200πt,
• Comparing it with the general sinusoidal signal,

s (t) = Acos2πft

A = 3 and 2f = 200

So, f = 100 Hz

• So, to avoid aliasing Nyquist criteria should be fulfilled.

## Question 2

Assembly Language
Edit