unit 3 part 1 c | Quizalize

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unit 3 part 1 c | Quizalize

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unit 3 part 1 c

Quiz by Eleni

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Q 1/10
Score 0
αεροπλάνο
30
Users re-arrange answers into correct order
Q 2/10
Score 0
πολλοί/πολλές/πολλά
30
Users re-arrange answers into correct order

10 questions

Q.

αεροπλάνο

1

30 sec

Q.

πολλοί/πολλές/πολλά

2

30 sec

Q.

πάρκο

3

30 sec

Q.

ζωολογικός κήπος

4

30 sec

Q.

λουλούδι

5

30 sec

Q.

ζώο

6

30 sec

Q.

ελέφαντας

7

30 sec

Q.

μυρμήγκι

8

30 sec

Q.

μόνο

9

30 sec

Q.

μυστικός

10

30 sec

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Here’s a **quiz on Lesson 1: Introduction to Analog Communication (Unit 8)** based on your file 👇 --- # 🧠 **Quiz – Lesson 1 (Analog Communication)** **Marks:** 20 --- ## ✍️ **Part 1: Choose the correct answer (8 marks)** 1. A signal is: a) A device b) A physical quantity that carries information c) A type of wire d) A computer 2. A continuous signal is defined over: a) Discrete values b) Infinite real values c) Only integers d) Binary values 3. Digital signals have: a) Infinite values b) Two values (0 and 1) c) Random values d) Analog values 4. Sampling is used to: a) Increase noise b) Convert analog to digital c) Amplify signals d) Reduce bandwidth 5. A deterministic signal: a) Cannot be predicted b) Has known values c) Is always random d) Has no pattern 6. Even signal satisfies: a) x(t) = -x(-t) b) x(t) = x(-t) c) x(t) = 0 d) x(t) ≠ x(-t) 7. Periodic signal repeats after: a) Time T b) Infinite time c) No time d) Random time 8. A system is: a) A signal only b) Input only c) Takes input and gives output d) A wire --- ## ✍️ **Part 2: Complete (6 marks)** 1. A signal can be represented as __________. 2. Continuous signals are defined over __________ values. 3. Digital signals take values like __________ and __________. 4. A random signal cannot be __________ easily. 5. Odd signal satisfies __________. 6. A periodic signal repeats every __________. --- ## ✍️ **Part 3: True or False (6 marks)** 1. Analog signals are continuous. ( ) 2. Digital signals can take infinite values. ( ) 3. Sampling converts analog to digital signal. ( ) 4. Deterministic signals are predictable. ( ) 5. Odd signals pass through origin. ( ) 6. Aperiodic signals repeat over time. ( ) --- ## 🎯 **Bonus Question (Optional)** Give one example of: * Analog signal * Digital signal -