25-08-2017, 09:32 PM
Embedded Computing Systems Question paper
Embedded Computing Systems.pdf (Size: 1.22 MB / Downloads: 80)
PART — A
1 ) a. Compare the definitions of embedded system from the following authors
i) Wayne Wolf
ii) Todd.D. Mortan.
b. What are the major differences between Harvard and Von Neuman architecture? Give an example.
c. What are the functional circuits in a microcontroller chip? Explain them in detail.
2 a. What is charge pump? Explain the following terms related to embedded hardware units :
i) Clock oscillator circuit
ii) System timer
iii) Power — up reset and watch — dog t., timer
b. Comprehend the procedure to code high level and assembly software into mlc implementable software, for an embedded system. Highlight their differences.
3 a. Compare the parallel ports interfaces for the keypad, stepper motor and touch screen.
b. Describe and compare UART and HDLC protocol.
4 a. Show the procedure of diversion to higher priority interrupts.
b. What is DMAC? Explain the steps of DMA to facilitate a multi byte data transfer.
c. What is virtual device driver? Explain any two of them in detail.