Total No. of Questions 18] [Total No. of Pages 02
M.Sc. DEGREE EXAMINATION, MAY 2018
First Year
COMPUTER SCIENCE
Computer Organization
Time 3 Hours Maximum Marks 70
SECTION A × 15 45)
Answer any three questions
Q1) Simplify the following Boolean functions using three variable map in sum of product
form
f .
f .
f .
f .
f .
Q2) What is an Interrupt? Explain about software and Hardware interrupts. How these are
used in a microprocessor?
Q3) Explain various addressing modes in detail.
Q4) What is virtual memory? Explain how a virtual address gets translated into a physical
address with the help of a TLB.
Q5) Define ASCII and EBCDIC codes.
Write an algorithm of summation of a set of numbers.
SECTION B × 4 20)
Answer any five questions
Q6) What are guard bits? What are the ways to truncate guard bits?
Q7) Subtract 3250-72532 using complement.
Q8) Define bus. Write about Synchronous and asynchronous bus.
Q9) Differentiate between arithmetic shift and logic shift.
Q10) Explain micro programmed control.
Q11) Write about DMA transfer.
Q12) Define the terms Seek time, Rotational Delay, Access time, Locality of Reference.
Q13) Discuss the different mapping techniques used in cache memory.
SECTION C × 1
Answer all questions
Q14) Give the IEEE standard for floating point numbers for single precision number.
Q15) Which logic name is known as universal logic?
Q16) Differentiate between auto increment and auto decrement addressing mode.
Q17) What do you mean by interleaved memory?
Q18) What is data stripping?