Embedded Systems MCQs (Chapterwise Multiple Choice Questions)

Lauterbach system tool support which modes while recording the trace information generated by the Cortex-M3/M4 processors?

FIFO mode: Storing the information in the 128 MByte memory of the TRACE32 CombiProbe

Real-time Pro ling: The trace information is streamed to the host computer and analyzed during runtime

STREAM mode: Streaming the information to a hard-disk on the host computer

All of the above

Answer & Explanation

Correct Answer: All of the above

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Which of the following companies has designed the AVRs micro controllers?

Philips

Motorola

Atmel

Intel

Answer & Explanation

Correct Answer: Atmel

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Which architecture is most compatible with Beagle Board hardware?

Intel x86

ARM

AVR

SDCC

Answer & Explanation

Correct Answer: ARM

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Which communication interface is/are required for an Embedded System to interact with external world peripheral/systems?

Serial Communication interfaces RS-232, RS-422, RS-485

Synchronous Serial Communication Interface I2C, JTAG, SPI, SSC and ESSI

Networks Ethernet, Controller Area Network, LIN

None of the above

Answer & Explanation

Correct Answer: Networks Ethernet, Controller Area Network, LIN

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How would -34H be represented as a signed number in 2s complement in 8051?

BB

DD

EE

CC

Answer & Explanation

Correct Answer: CC

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Which version of 8051 is the 8751 microcontroller?

NV-RAM

UV-EPROM

Flash ROM

OTP (one time programmable)

Answer & Explanation

Correct Answer: UV-EPROM

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What statements correct regarding Dynamic Memory Allocation in RTOS?

Pools avoid external memory fragmentation, by not permitting a buffer that is returned to the pool to be broken into smaller buffers in the future

Pools memory allocation mechanism allows application software to allocate chunks of memory of 4 to 8 different buffer sizes per pool

When a buffer is returned to the pool, it is put onto a free buffer list of buffers of its own size that are available for future re-use at their original buffer size

All of the above

Answer & Explanation

Correct Answer: All of the above

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What value should be loaded into THI to have a 9600 baud rate, if XTAL=11.0952MHz?

BDH

FDH

EDH

ADH

Answer & Explanation

Correct Answer: FDH

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What are the interrupts aspects in RESET 8051?

Timer 1 interrupts(TF1)

External HW interrupt 1 (INT10)

Serial COM (RI and TL)

Interrupts

Answer & Explanation

Correct Answer: Interrupts

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Embedded software has the following components?

Program / script

OS

Firmware

All of the above

Answer & Explanation

Correct Answer: All of the above

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Embedded Systems Quick Quiz

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