COMPUTER ORGANIZATION QUESTION PAPERS

,Apr/May 2008COMPUTERORGANIZATION
Answer any FIVE Questions
All Questions carry equal marks
1.(a)Explain about IAS memory formats. (b)List various registers in a computer along withtheir purpose [8+8]
2. (a) Find the output binary number after performing the following
arithmetic operations i. 111.01 + 10.111 ii. 11.01 + 110.11 iii. 110.11 -111.01 (b) Explain about the longhand division of binaryintegers[6+10]
3.(a)Describe various Pentium data types (b)Describe various common data transfer instruction set operations.
[6+10]
4. (a) List various R3000 pipeline stages. Also explain the function of each. (b) List and describe all shift and multiply/divide instructions of
MIPS R-Series processors. [8+8]
5. (a) Differentiate between single versus two-level caches. (b) Elaborate on Pentium Cache Organization. [8+8]
6. Discuss three possible techniques for I/O operations with merits and
demerits of each. [16]
7. (a) Discuss about I/O channel architecture. (b) Discuss about I/Oaddressing in 8086. (c) Discuss the salient features of laser printer [6+6+4]
8. (a) Give a summary of arithmetic and logical operations that are
defined for the vector architecture. (b) What is cache coherence problem. Discuss about different cache
coherance approches. [8+8] .....


1. (a) Explain the purpose and merits of interrupts. (b) Draw and explain the instruction cycle with interrupts. (c) What is interrupt handler? Explain its purpose. [6+6+4]
2. (a) How subtraction is done on the binary numbers represented in one’s
complement notation give an examples. (b) What do you mean byr’s complement. [8+8]
3. NOOP instruction has no effect on the CPU state other than
incrementing the program counter. Suggest some uses of this instruction with examples. [16]
4. Elaborate on different types of registers in a register organization
[16]
5. Discuss about address translation with segmentation and paging in
the Intel Pentium [16]
6. (a) How would CPU handles multiple devices. Explain with different
techniques available (b) Discuss the characteristics of Intel 8259A interrupt controller. [8+8]
7. (a) Discuss about I/O channel architecture. (b) Discuss about I/Oaddressing in 8086. (c) Discuss the salient features of laser printer [6+6+4]
8. (a) Classify and explain different multiprocessors (b) Explain the organization of tightly coupled multiprocessor system
with a generic block diagram. [8+8] .....


1. (a) Define PCI. Explain the applications of PCI (b) Describe anyten mandatory PCI signals.[8+8]
2. Write an algorithm to substract binary numbers represented in
normalized floating point mode with base 2 for exponent [16]
3. NOOP instruction has no effect on the CPU state other than
incrementing the program counter. Suggest some uses of this instruction with examples. [16]
4. Elaborate on different types of registers in a register organization [16]
5. Give a block diagram for a 4M×8 memory using 256K×1 memory chips. [16]
6. (a) Explain about magnetic disk layout (b) Elaborate on Winchester disktrack format. [8+8]
7. (a) Explain about microinstruction format of TI 8800 (b) Explain about ALUcontrol fields of IBM 3033 microinstruction. [8+8]
8. (a) Explain the following terms. i. Read miss ii. Read hit iii. Write miss iv. Write hit (b) Discuss different approaches to vector computation [8+8] .....


1. (a) Discuss the interconnection structure design of a computer. (b) Explain various bus lines. (c) What do you mean by multiple -bus hierarchies. [8+4+4]
2. (a) Find the output binary number after performing the arithmatic
operation using 1’s complement representation. i. 111.01 + 10.111 ii. 110.11 -111.01 (b) Explain steps involved in the addition of numbers using 2’s
complement notation. [10+6]
3. Discuss about various Pentium addressing modes with algorithms [16]
4. (a) List various R3000 pipeline stages. Also explain the function of each. (b) List and describe all shift and multiply/divide instructions of
MIPS R-Series processors. [8+8]
5. (a) Discuss about address translation in paging. (b) How does page size effects storage utilization and effective memory
data-transfer rate [8+8]
6. Discuss about data organization and formatting of magnetic disk in
detail [16]
7. Discuss about horizontal and vertical instruction formats. Also
differentiate between horizontal and vertical instruction formats. [16]
8. (a) Explain different types of parallel processors. (b) What do you mean bycompound instruction? Give examples (c) Elaborate on registers of the IBM3090 vector facility. [4+6+6] .....