Computer Organization - Dec 2016

Electronics & Telecom Engineering (Semester 4)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1(a) Draw and explain Bus structure of Computer.(6 marks) 1(b) Represent [182-5217] in single precision floating point format.(6 marks) 2( b) Explain IEEE standard for single precision and double precision floating point format.(6 marks) 2(a) Discuss the concept of pipelining and superscalar operation of Computer.(6 marks) 3(a) Write control sequence for the execution of instruction ADD (R₁), R₂ using single Bus Organization.(6 marks) 3(b) Write short notes on standard I/O's :
i) PCI
ii) USB.(6 marks) 4(a) Write control sequence for the following instruction for single bus organization for SUB(R₄), R₃.(6 marks) 4(b) Explain the steps invovled in fecthing a word form memory.(6 marks) 5(a) Write a note on asynchronous and synchronous DRAM.(6 marks) 5(b) Explain different mapping schemes for Cache memory.(7 marks) 6(a) What is virtual memory? Explain how virtual address is translated to physical address.(7 marks) 6(b) Explain memory hierarchy of computer system.(6 marks) 7(a) Draw and explain 8086 processor architecture.(7 marks) 7(b) Explain the following instruction of 8086 with suitable examples :
i) DAA
ii) TEST
iii) LEA.(6 marks) 8(a) Explain any three addressing modes for 8o86 with suitable examples.(6 marks) 8(b) Explain interrupt structure of 8086 processor.(7 marks)