Exam I.pdf - COMSATS Institute of Information Technology...

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COMSATS Institute of Information Technology Attock Sessional Exams Fall, 2017 Term 1 (27 th Oct 2017) EEE 446 Real Time Embedded Systems Name:________________________ Reg. ID: ______________________ Do NOT open the test until told to do so. Write your name and ID above. Total Marks:40 and Time=60 minutes Q. No 1: Answer the following. (3,3,3): a) Briefly explain the difference considering the three perspectives between General Purpose computing and Embedded systems? b) Explain the following key challenges of RTEMS. 1). Timeliness 2). Reliability 3). Dependability c) Fill the following blinks: i. Interrupt is an example of ____________________. 1) Resource Adequacy 2) Time triggered 3) Simultaneity 4) Predictability ii. A system has failure rate of 10 -3 failures/day and is manufacture today. The reliability of the system after 3 days will be _______________________. 1) 0.9970 2) 0.9980 3) 1 4) 0.097 iii. Electronic game is an example of __________________. 1) Hard Real Time 2) Soft Real Time 3) Both 1) and 2) 4) None of the Above Q. No 2: Answer the following. (3,3,3): a) What is Quantization Error of an ADC? What is the maximum quantization error that can occur when using
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  • Spring '12
  • Adeel
  • real time, Transducer, Real-time computing, Serial port, following key challenges, Serial Port Configuration

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