Embedded Systems MCQ Questions and Answers for Practice

1. How many stack register does an 8087 have?

1. 4
2. 8
3. 16
4. 32

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

1. 4 clock time period
2. 8 clock time period
3. 16 clock time period
4. 24 clock time period

3. How much voltage does the MC1489 can take ?

1. 12V
2. 5V
3. 3.3V
4. 2.2V

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

1. compilation
2. scheduling
3. high-level transformation
4. hardware/software partitioning

5. In which memory, the signals are multiplexed?

1. DRAM
2. SRAM
3. EPROM
4. EEPROM

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

1. index register
2. accumulator
3. SPDR
4. status register

7. Name the processor which helps in floating point calculations

1. microprocessor
2. microcontroller
3. coprocessor
4. controller

8. Princeton architecture is also known as

1. von Neumann architecture
2. Harvard
3. RISC
4. CISC

9. The RS232 is also known as

1. UART
2. SPI
3. Physical interface
4. Electrical interface

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

1. task control block
2. task access block
3. task address block
4. task allocating block

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

1. control unit and numeric control unit
2. integer unit and control unit
3. floating point unit and coprocessor unit
4. coprocessor unit and numeric control unit

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

1. add extra description bit
2. add error signal
3. add wait stage
4. remains unchanged

13. What does ADS indicate in 8250 UART?

1. address signal
2. address terminal signal
3. address strobe signal
4. address generating signal

14. What does API stand for?

1. address programming interface
2. application programming interface
3. accessing peripheral through interface
4. address programming interface

15. What does SPI stand for?

1. serial parallel interface
2. serial peripheral interface
3. sequential peripheral interface
4. sequential port interface