B.E. (Computer Engineering)
EMBEDDED AND REAL TIME OPERATING SYSTEM
(2015 Pattern) (Semester – II) (Elective – III)
Time: 1 Hour Max. Marks: 30
Instructions to the candidates:
1) Neat diagrams must be drawn wherever necessary.
2) Figures to the right indicate full marks.
3) Assume suitable data, if necessary.
Q1) a) What is embedded system? List and explain different challenges of embedded system. 
b) With neat diagram, explain the components of Embedded system hardware. 
Q2) a) What are different types of processor technologies used in embedded system design. 
b) List and Explain software tools used for designing of an embedded system. 
Q3) a) What is the use of I2C bus? Draw and explain the I2C data frame format. 
b) Describe different forms of memories in the embedded system. 
Q4) a) Explain in detail DSP Processor Architecture with core architectural block diagram. 
b) Enlist various Internet enabled embedded system protocols and explain any one with its features and diagram. 
Q5) a) What is HDLC? Explain different frame types and data transfer modes of HDLC. 
b) Explain why PCI/X buses are used for high speed data transfer? List the major features of PCI/X bus. 
Q6) a) Explain Serial protocols RS-232C & RS-485. 
b) Explain in detail Parallel ports I/O Interfacing with neat diagram.