Embedded Systems MCQ Questions & Answers
Embedded Systems MCQ : This section focuses on "basic" of Embedded Systems. These Multiple Choice Questions (MCQ) should be practiced to improve the Embedded Systems skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.
1. Embedded system as a _______________ to perform a specific task
A. microcontroller-based
B. software-driven
C. real-time control system
D. All of the above
View Answer
Ans : D
Explanation: Embedded system as a microcontroller-based, software-driven, reliable, real-time control system, designed to perform a specific task.
2. An embedded system has ____________ components.
A. 1
B. 2
C. 3
D. 4
View Answer
Ans : C
Explanation: An embedded system has three components : hardware, application software and RTOS.
3. RTOS stands for?
A. Reliable Tightly Operating system
B. Real Time Operating system
C. Reactive Tightly Operating system
D. Real Time Output system
View Answer
Ans : B
Explanation: Real Time Operating system (RTOS) that supervises the application software and provide mechanism to let the processor run a process as per scheduling by following a plan to control the latencies.
4. Which of the following is an Advantages of Embedded Systems?
A. Easily Customizable
B. Low power consumption
C. Low cost
D. All of the above
View Answer
Ans : D
Explanation: All of the above is an Advantages of Embedded Systems.
5. A ______________ converts the digital data fed by the processor to analog data.
A. A-D Converter
B. Sensor
C. D-A Converter
D. None of the above
View Answer
Ans : C
Explanation: A digital-to-analog converter converts the digital data fed by the processor to analog data
6. Which of the following is an Disadvantages of Embedded Systems?
A. Low development effort
B. Larger time to market
C. Both A and B
D. None of the above
View Answer
Ans : B
Explanation: Disadvantages : High development effort and Larger time to market
7. An actuator compares the output given by the D-A Converter to the actual (expected) output stored in it and stores the approved output.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
View Answer
Ans : A
Explanation: True, An actuator compares the output given by the D-A Converter to the actual (expected) output stored in it and stores the approved output
8. Embedded System must be ?
A. microprocessor based
B. microcontroller based
C. Both A and B
D. None of the above
View Answer
Ans : C
Explanation: It must be microprocessor or microcontroller based
9. Which of the following is true about Embedded System?
A. An embedded system usually performs a specialized operation and does the same repeatedly
B. It must have a memory, as its software usually embeds in ROM
C. It must have connected peripherals to connect input and output devices.
D. All of the above
View Answer
Ans : D
Explanation: All of the above is true about Embedded System.
10. Processors process the data to measure the output and store it to the memory.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
View Answer
Ans : A
Explanation: True, Processors process the data to measure the output and store it to the memory.
Discussion