EMJ26103 Formative1

EMJ26103 Signal & Linear System

Formative Assessment I

​Dr. Abdul Halim Ismail

​S1-2023/2024

Open Ended

Type in your name & matric number in this format:

Name (Matric No.)

Example: Ali Bin Abu (231060001)

Multiple Choice

The following are TRUE about signal except

• It is a function that conveys information about a phenomenon

• It can be defined as function of one or more variable

• The information carried by a signal will be a function of an independent variable

• Signal only for voltage or current in electrical circuit

Multiple Choice

____ circle is the basis of trigonometry.

• Unit
• Small

• Full

• Big

Multiple Choice

The signal of an ECG in the image can be used to define a signal, which is

• Signal exists in time domain only

• Signal exist in frequency domain only

• Analysis on the signal can be done in both time and frequency domain

• Heartbeat can be measure using smartwatch

Multiple Choice

The following are the CORRECT application of signal except

• Medical data and analysis

• Stock market fluctuation

• Weather forecast

• Sensors reading from robotic arm output.

• Riding a motorbike

Multiple Choice

The image is

• continuous time, continuous value signal.

• continuous time, discrete value signal.

• discrete time, continuous value signal.

• discrete time, discrete value signal.

Multiple Choice

Discrete signal is also known as digital signal

• True

• False

Multiple Choice

The nature of all signal are continuous.

• True

• False

Multiple Choice

Which of the following is a CORRECT form of continous/analog signal?

• Image taken using iPhone

• Whatsapp voice recording

• Video in Youtube Shorts

• Sending picture in Telegram apps

Multiple Choice

Select the most accurate application of a digital signal.

• RF Radio transmission (radio fm)

• Measurement of voltage in a solar panel

• Prompting ChatGPT

• Measurement of fluid flow in gas pipeline