IT404JUNE 2025, IT404DEC 2024,, IT403JUNE 2024,, IT403NOV 2023, IT403JUNE 2023

1. Signals

Subtopics:

• Signal definition

• Types of signals:

  • Continuous signal
  • Discrete signal
  • Deterministic signal
  • Non-deterministic signal
  • Periodic signal
  • Non-periodic signal
  • Energy signal
  • Power signalvc
  • Analog signal
  • Digital signal

  

  JUNE 2025—ENERGY AND POWER SIGNAL

  

  DEC 2024—ANALOG AND DIGITAL SIGNAL

  

  JUNE 2024

  

  NOV 2023

2. Communication System

Subtopics:

• Block diagram of communication system

• Components:

  • Information source
  • Transmitter
  • Channel
  • Noise
  • Receiver
  • Destination

  

  DEC 2024

3. Electromagnetic Spectrum

Subtopics:

• Definition
• Frequency ranges
• Applications in communication

4. Standard Signals

Subtopics: