Embedded Systems MCQ Multiple Choice Questions Answers for Practice

Q: 2. How are negative numbers stored in a coprocessor?

Correct Answer is: 2s complement

Q: 3. How buffers are enabled in the parallel ports?

Correct Answer is: by data direction register

Q: 4. How is baud rate supplied?

Correct Answer is: external timer

Q: 6. How is memory accessed in RISC architecture?

Correct Answer is: load and store instruction

Q: 15. How much time period is necessary for the slave to receive the interrupt and transfer the data?

Correct Answer is: 8 clock time period

Q: 17. In which design activity, the loops are interchangeable?

Correct Answer is: high-level transformation

1. Which of the following is a coprocessor of 80386?

80387
8087
8089
8088

2. How are negative numbers stored in a coprocessor?

1s complement
2s complement
decimal
gray

3. How buffers are enabled in the parallel ports?

by the data register
by data direction register
by individual control register
by data and individual control register

4. How is baud rate supplied?

baud rate voltage
external timer
peripheral
internal timer

5. How is data detected in a UART?

counter
timer
clock
first bit

6. How is memory accessed in RISC architecture?

load and store instruction
opcode instruction
memory instruction
bus instruction

7. How many areas does the serial interface have?

8. How many bits are used for storing signed integers?

9. How many categories are there for the low-level simulation?

10. How many main signals are used with memory chips?

11. How many numbers of ways are possible for allocating the memory to the modular blocks?

12. How many pins does 8087 have?

40 pin DIP
20 pin DIP
40 pins
20 pins

13. How many registers are there to control the parallel port in the basic form?

14. How many stack register does an 8087 have?

15. How much time period is necessary for the slave to receive the interrupt and transfer the data?

4 clock time period
8 clock time period
16 clock time period
24 clock time period

16. How much voltage does the MC1489 can take ?

12V
5V
3.3V
2.2V

17. In which design activity, the loops are interchangeable?

compilation
scheduling
high-level transformation
hardware/software partitioning

18. In which memory, the signals are multiplexed?

DRAM
SRAM
EPROM
EEPROM

19. In which register does the data is written in the master device?

index register
accumulator
SPDR
status register

20. Name the processor which helps in floating point calculations

microprocessor
microcontroller
coprocessor
controller

21. Princeton architecture is also known as

von Neumann architecture
Harvard
RISC
CISC

22. The RS232 is also known as

UART
SPI
Physical interface
Electrical interface

23. The special tale in the multitasking operating system is also known as

task control block
task access block
task address block
task allocating block

24. What are the two major sections in a coprocessor?

control unit and numeric control unit
integer unit and control unit
floating point unit and coprocessor unit
coprocessor unit and numeric control unit

25. What can be done for the fine grain protection of the processor?

add extra description bit
add error signal
add wait stage
remains unchanged

26. What does ADS indicate in 8250 UART?

address signal
address terminal signal
address strobe signal
address generating signal

27. What does API stand for?

address programming interface
application programming interface
accessing peripheral through interface
address programming interface

28. What does SPI stand for?

serial parallel interface
serial peripheral interface
sequential peripheral interface
sequential port interface

29. What does the processor fetches from the EPROM if the board is powered?

reset vector
ready vector
start vector
acknowledge vector

30. What does UART stand for?

universal asynchronous receiver transmitter
unique asynchronous receiver transmitter
universal address receiver transmitter
unique address receiver transmitter

Embedded Systems Multiple Choice Questions (MCQs) are essential practice tools for students and exam aspirants. These questions help reinforce key concepts and prepare you for various assessments and interviews.

About Embedded Systems MCQ Questions

Embedded Systems MCQs cover a wide range of topics, including microcontrollers, real-time operating systems, hardware interfacing, and system design. These questions are designed to test your understanding of both theoretical and practical aspects of embedded systems, ensuring you have a comprehensive grasp of the subject.

Why Practice Embedded Systems Objective Questions?

Practicing Embedded Systems MCQs offers several benefits. They help you prepare for school and college exams, competitive exams, and technical interviews. Regular practice improves your problem-solving skills, enhances your knowledge retention, and boosts your confidence in tackling complex problems related to embedded systems.

Who Should Use These MCQs?

Students preparing for school or college exams
Competitive exam aspirants
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