

InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the purpose of memory refresh register of Z80?(a) To control on-chip DRAM(b) To control on-chip SRAM(c) To control ROM(d) Toclear cacheThe question was asked in an interview for job.My question is based upon Microprocessor of Embedded System topic in division Embedded System of Embedded Systems |
Answer» Right OPTION is (a) To control on-chip DRAM |
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2. |
In the below diagram, identify the register of MC68HC05(a) CCR(b) PC(c) SP(d) IVThe question was posed to me in an interview for internship.My question is taken from Microcontroller of Embedded System topic in division Embedded System of Embedded Systems |
Answer» Right choice is (a) CCR |
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3. |
What is done in mode1 of Z80?(a) Interrupt vector is supplied via the external bus(b) Interrupt vector is supplied via the peripherals(c) NMI gets started(d) Interrupt gets acknowledge from peripheralI had been asked this question during an online exam.I would like to ask this question from Microprocessor of Embedded System in division Embedded System of Embedded Systems |
Answer» The correct answer is (a) INTERRUPT vector is SUPPLIED via the external bus |
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4. |
How an alternate set of the register can be identified in Z80?(a) ‘Suffix(b) ‘Prefix(c) ,suffix(d) ,prefixThe question was asked in exam.This key question is from Microprocessor of Embedded System in division Embedded System of Embedded Systems |
Answer» RIGHT OPTION is (a) ‘Suffix The explanation: In order to IDENTIFY the MAIN REGISTER and alternate register ‘ is used in the suffix. |
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5. |
What is the clock frequency of Z80?(a) 6 MHz(b) 8 MHz(c) 4 MHz(d) 2 MHzThis question was posed to me in unit test.The above asked question is from Microprocessor of Embedded System in chapter Embedded System of Embedded Systems |
Answer» RIGHT option is (c) 4 MHz The BEST I can explain: It is the maximum CLOCK frequency or runs a time of the PROCESSOR. |
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6. |
The initial routine is often referred to as(a) Initial program(b) Bootstrap program(c) Final program(d) Initial embedded programThis question was posed to me by my school teacher while I was bunking the class.Enquiry is from Memory and Peripherals of Embedded System in division Embedded System of Embedded Systems |
Answer» The correct answer is (b) Bootstrap program |
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7. |
Which one of the following is a microcontroller from Motorola?(a) MC68HC05(b) 4004(c) MIPS(d) 8080The question was posed to me in my homework.My question comes from Microcontroller of Embedded System topic in chapter Embedded System of Embedded Systems |
Answer» The CORRECT OPTION is (a) MC68HC05 |
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8. |
How an embedded system communicate with the outside world?(a) Peripherals(b) Memory(c) Input(d) OutputI have been asked this question in semester exam.I would like to ask this question from Memory and Peripherals of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» The CORRECT choice is (a) Peripherals |
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9. |
What is CISC?(a) Computing instruction set complex(b) Complex instruction set computing(c) Complimentary instruction set computing(d) Complex instruction set complementaryThe question was posed to me in an interview.My question comes from Processor of Embedded System in section Embedded System of Embedded Systems |
Answer» The CORRECT choice is (b) Complex INSTRUCTION SET computing |
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10. |
How many bytes of EPROM does MC68HC7054A possess?(a) 176 bytes(b) 240 bytes(c) 4144 bytes(d) 1024 bytesThe question was asked during an internship interview.The question is from Microcontroller of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The correct CHOICE is (C) 4144 bytes |
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11. |
Which one of the following is an asynchronous communication channel?(a) SPI(b) MUDs(c) MOO(d) VOIPThe question was asked in an interview for job.My question is taken from Microcontroller of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The correct answer is (a) SPI |
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12. |
Z80 is mainly based on(a) Intel 8080(b) MIPS(c) TIMS(d) 8051I had been asked this question in an interview for internship.My doubt stems from Microprocessor of Embedded System in section Embedded System of Embedded Systems |
Answer» Correct ANSWER is (a) Intel 8080 |
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13. |
What kind of memory does an OTP have?(a) SRAM(b) RAM(c) EPROM(d) DRAMThis question was posed to me by my school teacher while I was bunking the class.This interesting question is from Memory and Peripherals of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The correct ANSWER is (c) EPROM |
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14. |
Which of the following is a 4-bit architecture?(a) MC6800(b) 8086(c) 80386(d) National COP seriesThis question was posed to me in my homework.I would like to ask this question from Processor of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» RIGHT option is (d) NATIONAL COP series Easy explanation: National COP series is a 4-bit PROCESSOR whereas MC6800 is an 8-bit processor, 8086 is a 16-bit processor and 80386 is a 32-bit processor. |
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15. |
How many bits does MC68HC05 possess?(a) 4(b) 8(c) 16(d) 32I got this question by my college director while I was bunking the class.My question is from Microcontroller of Embedded System in section Embedded System of Embedded Systems |
Answer» Right ANSWER is (b) 8 |
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16. |
What type of memory is suitable for medium volume production?(a) Umbrella devices(b) OTP(c) ROM(d) RAMI have been asked this question during an online exam.My question is based upon Memory and Peripherals of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The correct option is (B) OTP |
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17. |
VME bus stands for(a) Versa module Europa bus(b) Versa module embedded bus(c) Vertical module embedded bus(d) Vertical module Europa busI had been asked this question in my homework.My doubt stems from Processor of Embedded System in chapter Embedded System of Embedded Systems |
Answer» RIGHT answer is (a) Versa MODULE EUROPA bus Explanation: A computer bus standard in Eurocard sizes mainly developed for Motorola MC6800 FAMILY and LATER on used in many applications and approved by IEEE. |
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18. |
Which one of the following is UV erasable?(a) Flash memory(b) SRAM(c) EPROM(d) DRAMThis question was posed to me in an interview for job.I would like to ask this question from Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems |
Answer» The correct option is (c) EPROM |
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19. |
Which of the following microcontroller is used in engine management system?(a) MC68HC05(b) MC68HC11(c) Intel 80286(d) Intel 8086This question was addressed to me by my school principal while I was bunking the class.The origin of the question is Microcontroller of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» Correct choice is (b) MC68HC11 |
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20. |
Which type of memory is suitable for low volume production of embedded systems?(a) ROM(b) Volatile(c) Non-volatile(d) RAMI got this question in a national level competition.My question comes from Memory and Peripherals of Embedded System in section Embedded System of Embedded Systems |
Answer» The correct answer is (c) Non-volatile |
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21. |
Name a nonvolatile memory.(a) ROM(b) RAM(c) SRAM(d) DRAMThis question was posed to me during a job interview.Query is from Memory and Peripherals of Embedded System in section Embedded System of Embedded Systems |
Answer» Right option is (a) ROM |
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22. |
Which of the following offers external chips for memory and peripheral interface circuits?(a) Microcontroller(b) Microprocessor(c) Peripheral system(d) Embedded systemThe question was posed to me in unit test.Origin of the question is Processor of Embedded System topic in division Embedded System of Embedded Systems |
Answer» CORRECT answer is (B) MICROPROCESSOR The best explanation: Microcontrollers are the CPUS which have integrated memory and peripherals whereas microprocessor offers EXTERNAL chips for memory. |
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23. |
Which of the following can be a paired set of 16-bit register?(a) CD(b) HL(c) AB(d) EHI got this question in final exam.This is a very interesting question from Microprocessor of Embedded System in division Embedded System of Embedded Systems |
Answer» Right ANSWER is (b) HL |
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24. |
Which are the two additional registers of Z80?(a) Interrupt and NMI(b) NMI and PSW(c) Interrupt vector and memory refresh(d) NMI and memory refreshThis question was addressed to me during an interview.Asked question is from Microprocessor of Embedded System topic in chapter Embedded System of Embedded Systems |
Answer» Correct OPTION is (c) Interrupt vector and memory refresh |
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25. |
Which of the following is a RISC architecture?(a) 80286(b) MIPS(c) Zilog Z80(d) 80386I had been asked this question during an online exam.This key question is from Processor of Embedded System in division Embedded System of Embedded Systems |
Answer» RIGHT option is (B) MIPS The explanation: MIPS POSSESS a RISC architecture whereas 80386, 80286 and Zilog Z80 areCISC architectures. |
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26. |
Name a volatile memory.(a) RAM(b) EPROM(c) ROM(d) EEPROMThe question was posed to me in an online interview.Question is taken from Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems |
Answer» Right option is (a) RAM |
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27. |
Which of the following is an 8-bit command in MC68HC11?(a) Add(b) Shift(c) Multiply(d) SubtractThe question was posed to me in examination.This intriguing question comes from Microcontroller of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» Correct answer is (C) Multiply |
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28. |
It retains its content when power is removed. What type of memory is this?(a) Volatile memory(b) Nonvolatile memory(c) RAM(d) SRAMI got this question in exam.I'm obligated to ask this question of Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems |
Answer» Right option is (B) Nonvolatile memory |
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29. |
Which is the concatenated register of MC68HC11?(a) D(b) X(c) IP(d) DII got this question in my homework.Question is taken from Microcontroller of Embedded System in chapter Embedded System of Embedded Systems |
Answer» RIGHT ANSWER is (a) D The best explanation: The MC68HC11 architecture is similar to that of the 6800 and has two 8 bit accumulators referred to as registers A and B.They are CONCATENATED to provide a 16-bit double accumulator CALLED REGISTER D. |
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30. |
What kind of socket does an external EPROM to plugged in for prototyping?(a) Piggyback(b) Single socket(c) Multi-socket(d) Piggyback reset socketThis question was posed to me in final exam.The above asked question is from Memory and Peripherals of Embedded System in division Embedded System of Embedded Systems |
Answer» The correct choice is (a) Piggyback |
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31. |
What kind of visual panel is used for seven segmented display?(a) LED(b) LCD(c) Binary output(d) Analogue outputThe question was posed to me in examination.The doubt is from Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems |
Answer» | |
32. |
Which one of the following offers CPUs as integrated memory or peripheral interfaces?(a) Microcontroller(b) Microprocessor(c) Embedded system(d) Memory systemI have been asked this question in a job interview.This question is from Processor of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» Correct option is (a) Microcontroller |
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33. |
Which one of the following is board based system?(a) Data bus(b) Address bus(c) VMEbus(d) DMA busThe question was posed to me in an international level competition.This interesting question is from Processor of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» The correct answer is (c) VMEbus |
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34. |
Which of the following are external pins whose logic state can be controlled by the processor to either be a logic zero or logic one is known as(a) Analogue value(b) Display values(c) Binary values(d) Time derived digital outputsI have been asked this question during an interview for a job.This is a very interesting question from Memory and Peripherals of Embedded System in chapter Embedded System of Embedded Systems |
Answer» The CORRECT option is (c) Binary values |
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35. |
Which of the following microprocessor is designed by Zilog?(a) Z80(b) Zigbee(c) 80386(d) 8087I got this question in quiz.The question is from Microprocessor of Embedded System in portion Embedded System of Embedded Systems |
Answer» Right answer is (a) Z80 |
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36. |
What type of memory is suitable for high volume production?(a) RAM(b) ROM(c) EPROM(d) EEPROMI have been asked this question in quiz.My question is based upon Memory and Peripherals of Embedded System topic in division Embedded System of Embedded Systems |
Answer» The correct ANSWER is (B) ROM |
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37. |
Which of the following possesses a CISC architecture?(a) MC68020(b) ARC(c) Atmel AVR(d) BlackfinThe question was asked in an internship interview.The query is from Processor of Embedded System in division Embedded System of Embedded Systems |
Answer» Right answer is (a) MC68020 |
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38. |
What does m1 signal in Z80 describes?(a) I/O operation status(b) Memory refresh output(c) Output pulse on instruction fetch cycle(d) Interrupt request inputI got this question in an online quiz.The above asked question is from Microprocessor of Embedded System in portion Embedded System of Embedded Systems |
Answer» Right choice is (c) Output pulse on instruction fetch cycle |
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39. |
By which instruction does the switching of registers take place?(a) Instruction opcodes(b) AXX instruction(c) EXX instruction(d) Register instructionI got this question during an interview.My question comes from Microprocessor of Embedded System topic in chapter Embedded System of Embedded Systems |
Answer» Correct option is (c) EXX instruction |
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40. |
Flag register of Z80 is also known as(a) Program status register(b) Program status address(c) Program status word(d) Program address registerThis question was addressed to me by my college professor while I was bunking the class.Asked question is from Microprocessor of Embedded System topic in chapter Embedded System of Embedded Systems |
Answer» Correct choice is (C) Program status word |
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41. |
What does CCR stand for?(a) Condition code register(b) Computing code register(c) Complex code register(d) Code control registerThis question was posed to me in an online interview.This key question is from Microcontroller of Embedded System in division Embedded System of Embedded Systems |
Answer» Right ANSWER is (a) Condition CODE register |
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42. |
Which signal is used to differentiates the access from a normal memory cycle?(a) HALT(b) RESET(c) MREQ(d) IORQThe question was posed to me in an international level competition.I'd like to ask this question from Microprocessor of Embedded System in portion Embedded System of Embedded Systems |
Answer» Right option is (d) IORQ |
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43. |
What is the bit size of the program counter in MC68HC05?(a) 7(b) 9(c) 13(d) 17The question was asked in unit test.Enquiry is from Microcontroller of Embedded System in portion Embedded System of Embedded Systems |
Answer» The correct ANSWER is (C) 13 |
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44. |
How many bits does an MC6800 family have?(a) 16(b) 32(c) 4(d) 8I have been asked this question in an online interview.My question is from Processor of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The CORRECT OPTION is (d) 8 |
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45. |
What are the two register sets used in Z80?(a) C’D’ and BC’(b) CD and BD(c) IV and MR(d) Main and alternateI had been asked this question at a job interview.This interesting question is from Microprocessor of Embedded System in portion Embedded System of Embedded Systems |
Answer» The CORRECT answer is (d) Main and alternate |
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46. |
Which is the first microcontroller?(a) 8051(b) Arm(c) TMS1000(d) Intel 4004I have been asked this question during an interview.I would like to ask this question from Microcontroller of Embedded System topic in division Embedded System of Embedded Systems |
Answer» CORRECT choice is (c) TMS1000 Explanation: TMS1000 is the first MICROCONTROLLER which was done in April 1971 but Intel4004was designed in NOVEMBER 1971. |
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47. |
How is the protection and security for an embedded system made?(a) OTP(b) IPR(c) Memory disk security(d) Security chipsThis question was posed to me during an interview.My question comes from Processor of Embedded System topic in portion Embedded System of Embedded Systems |
Answer» The correct ANSWER is (b) IPR |
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48. |
How the input terminals are associated with external environments?(a) Actuators(b) Sensors(c) Inputs(d) OutputsI have been asked this question during an interview for a job.My question is taken from Memory and Peripherals of Embedded System topic in section Embedded System of Embedded Systems |
Answer» The correct choice is (b) Sensors |
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49. |
Which is the single device capable of providing prototyping support for a range of microcontroller?(a) ROM(b) Umbrella device(c) OTP(d) RAMThis question was posed to me in an online quiz.Question is from Memory and Peripherals of Embedded System in section Embedded System of Embedded Systems |
Answer» CORRECT choice is (b) Umbrella device The best I can EXPLAIN: Umbrella device is capable of providing prototyping SUPPORT for a range of MICROCONTROLLERS. |
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