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    Embedded System

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    EMBEDDED SYSTEM MCQ

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    Embedded System

    Uploaded by

    Bro thers
    86 views3 pages
    EMBEDDED SYSTEM MCQ

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    EMBEDDED SYSTEM

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    EMBEDDED SYSTEM MCQ

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    86 views3 pages

    Embedded System

    Uploaded by

    Bro thers
    EMBEDDED SYSTEM MCQ

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    You are on page 1of 3

    1. Name the processor which helps in floating point calculations.

    a) microprocessor
    b) microcontroller
    c) coprocessor
    d) controller
    2. How are negative numbers stored in a coprocessor?
    a) 1’s complement
    b) 2’s complement
    c) decimal
    d) gray
    3. How many bits are used for storing signed integers?
    a) 2
    b) 4
    c) 8
    d) 16
    4. What are the two major sections in a coprocessor?
    a) control unit and numeric control unit
    b) integer unit and control unit
    c) floating point unit and coprocessor unit
    d) coprocessor unit and numeric control unit
    5. What is 80/20 rule?
    a) 80% instruction is generated and 20% instruction is executed
    b) 80% instruction is executed and 20% instruction is generated
    c) 80%instruction is executed and 20% instruction is not executed
    d) 80% instruction is generated and 20% instructions are not generated
    6. How is memory accessed in RISC architecture?
    a. load and store instruction
    b. opcode instruction
    c. memory instruction
    d. bus instruction
    7. Which of the following has a Harvard architecture?
    a) EDSAC
    b) SSEM
    c) PIC
    d) CSIRAC

    8. Which is the most basic non-volatile memory?


    a) Flash memory
    b) PROM
    c) EPROM
    d) ROM
    9. Who has invented flash memory?
    a) Dr.FujioMasuoka
    b) John Ellis
    c) Josh Fisher
    d) John Ruttenberg
    10. Which of the following is serial access memory?
    a) RAM
    b) Flash memory
    c) Shifters
    d) ROM
    11. Which is the early form of non-volatile memory?
    a) magnetic core memory
    b) ferrimagnetic memory
    c) anti-magnetic memory
    d) anti-ferromagnetic
    12. How many main signals are used with memory chips?
    a) 2
    b) 4
    c) 6
    d) 8
    13. Which of the following have a 16 Mbytes addressed range?
    a) PowerPC
    b) M68000
    c) DSP56000
    d) TMS 320
    14. How many numbers of ways are possible for allocating the memory to the modular blocks?
    a) 1
    b) 2
    c) 3
    d) 4
    15. What is the main purpose of the memory management unit?
    a) address translation
    b) large storage
    c) reduce the size
    d) provides address space
    16. Which of the following provides stability to the multitasking system?
    a) memory
    b) DRAM
    c) SRAM
    d) Memory partitioning
    17. Which of the following is a coprocessor of 80386?
    a) 80387
    b) 8087
    c) 8089
    d) 8088
    18. Which of the following defines the set of instructions loaded into the memory?
    a) process
    b) task
    c) thread
    d) system hardware
    19. Which of the following uses its own address space?
    a) thread
    b) process
    c) task
    d) kernel
    20. Which can be considered as the lower level in the multitasking operating system?
    a) process
    b) task
    c) threads
    d) multi threads
    21. What does SPI stand for?
    a) serial parallel interface
    b) serial peripheral interface
    c) sequential peripheral interface
    22. sequential port interface How much time period is necessary for the slave to receive the interrupt
    and transfer the data?
    a) 4 clock time period
    b) 8 clock time period
    c) 16 clock time period
    d) 24 clock time period
    23. Which of the following are used to test the software?
    a) data entity
    b) data entry
    c) data table
    d) data book
    24. Which of the following can simulate the LCD controllers and parallel ports?
    a) memory simulator
    b) sds
    c) input simulator
    d) output tools
    25. What does the processor fetches from the EPROM if the board is powered?
    a) reset vector
    b) ready vector
    c) start vector
    d) acknowledge vector

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