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Reg No.:_. Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION(R&S) MAY 2019
Course Code: EC206
Course Name: COMPUTER ORGANISATION (EC)

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two full questions, each carries 15 marks Marks
1 a) Explain Propagate adder and ripple carry adder. (8)
b) Illustrate the use of shifters and rotators with example in arithmetic circuits. (7)
2 a) Define the following terms of MIPS processor: (8)

(i) Register Set. (ii)Operands.(iii) Memory. (iv) Registers.
b) With example explain briefly R-type and I-type Instruction format in Machine (7)

Language.
3 a) Define fixed point number systems with examples. (7)
b) Convert to MIPS assembly instruction (1) 0x2128FF6A (8)
(11) 0x0253882A
PART 13
Answer any two full questions, each carries 15 marks
4 a) Explain Pseudoinstructions and exceptions in MIPS. (8)
b) Explain Floating Point instructions used in MIPS (7)
5 லி Briefly define the state elements used in MIPS processor. (7)
b) Explain the data path of single cycle R-type instruction. (8)
6 a) With neat diagram explain multi cycle control for R-type instruction. (8)
b) Explain signed and unsigned instructions used in MIPS (7)

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