Gujarat University 2008-2nd Year B.C.A Computer Application Computer Organization and Micro Processors - Question Paper
Scat No.: I 3 6 O
March-2008
B.C.A. (201) Computer Organisation and Advanced Microprocessors
(New Course)
*
l ime : 3 Hours| |Max. Murks : 70
Instructions: (1) All ihe questions arc compulsory.
(2) Figures to the right indicate marks.
(3) Start writing new question on new page.
(4) Draw diagrams wherever required.
(5) Make and state necessary assumptions.
(6) Show all computations in numerical examples.
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I. Answer the following : (any fourteen) 14
(1) With the help of diagram show the relationship between user and computer.
(2) List all the input and output devices of a computer.
(3) State the relationship between frequency and periodic time.
(4) State the advantages of Accumulator Based CPU.
(5) List any four logical instructions.
(6) Explain Little-endian assignment method.
(7) Give an example of Immediate Addressing Mode.
(8) Subtract 1.83401982 x 1015 from 1.04354769 x I0lft
(9) State the diffcrcncc between Rounding and Truncation.
SBCA-01 3 P.T.O.
(10) Draw ihc diagram, truth tabic of multiplexer.
(11) List the Input and Output of processor design process.
(12) Define Cache hit and Cache miss.
(13) State the difTcrcncc between EPROM and EEPROM.
(14) Draw the diagram of Memory Hierarchy.
(15) List the general purpose registers of 8086 microprocessor.
(16) Write a note Cyrix microprocessors.
Answer the following: (any seven) i
(1) State the characteristics of a computer.
(2) Explain the terms: Software Halt, Halt Input and Auto Shutdown.
(3) Draw the simple bus structure and define all three buses.
(4) Explain with examples Register Addressing mode and Base with Index Addressing mode.
(5) Draw the diagram, truth table and equation of NOR gate, OR gate. NOT gate,
XOR gate.
(6) Draw of diagram and truth table J-K Flip-Flop & D Flip Flop.
(7) State the steps the processor performs during Memory Write operation.
(8) State the difference between SRAM & DRAM.
(9) Write a note on Auxiliary memory and Virtual memory.
3. Answer the following:
[A] Answer the following: (any two)
(a) State with help of diagrams the advantages and disadvantages of CISC architecture.
(b) Explain the difference between Macro and Subroutine with help of examples.
(c) Explain all the aspects to be considered before finalizing the instruction set.
[BJ Answer the following : (any two)
(a) Perform the following integer multiplication and division :
(i) 1001x111
(ii) 11001011/101
(b) Perform the. following on floating point numbers :
(i) Multiply 1.008321 x I0,3and 1.054302 x 106
(ii) Divide 1.101101 x 10l8by 1.010101 x 107
(c) Perform the following on binary numbers :
(i) 11000011 + 11110101
(ii) 10001000 - 01101111
[CJ Compute the following using 2's complement (any tw o):
(i) (-57) + 48
(ii) (-12) x (+8)
(iii) (-46)+ (-22)
SBCA-01 5 P.T
4. Answer the following : (any seven)
(1) Define Access Time, Recovery Time, Cycle Time and state the relationship between the three.
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(2) What is meant by cache replacement ? Explain any two cache replacement algorithms.
(3) Explain difference between Write-Through policy and Write-Back policy.
(4) Write a note on Single Chip Microcomputer.
(5) Write a note on Scalar and Super Scalar Processors.
(6) Define the following terms : ISS, Exceptions.
(7) i Discuss the features of Pentium Pro Microprocessors.
(8) Write a note on Multi-level Cache.
(9) Explain Direct Mapping with the help of diagram.
S. Answer the following :
[A] Answer the following : (any two)
(a) Write a note on Main Memory.
(b) Explain any two memory access methods.
(c) Write a note on memory technology.
[B] Answer the following: (any one)
(a) Write a short note on Evolution of Microprocessors.
(b) Write a short note on Von Neumann architecture.
SBCA-01
4. Answer the following : (any seven)
(1) Define Access Time, Recovery Time, Cycle Time and state the relationship between the three.
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(2) What is meant by cachc replacement ? Explain any two cache replacement algorithms.
(3) Explain difference between Write-Through policy and Write-Back policy.
(4) Write a note on Single Chip Microcomputer.
(5) Write a note on Scalar and Super Scalar Processors.
(6) Define the following terms : ISS, Exceptions.
(7) i Discuss the features of Pentium Pro Microprocessors.
(8) Write a note on Multi-level Cachc.
(9) Explain Direct Mapping with the help of diagram.
S. Answer the following :
[A] Answer the following : (any two)
(a) Write a note on Main Memory.
(b) Explain any two memory access methods.
(c) Write a note on memory technology.
[B] Answer the following: (any one)
(a) Write a short note on Evolution of Microprocessors.
(b) Write a short note on Von Neumann architecture.
SBCA-01
(C) Answer the following: (any two)
(a) Draw the schematic diagram of Intel 8086 and explain any three condition flags.
(b) Draw pin-in, pin-out diagram ol' 8086 and explain all the maximum mode pins.
(c) Define Interrupt. State the difference between hardware and software interrupts.
[D] Answer the following: (any one)
(a) What is Instruction Pointer ?
(b) Explain circular shift with the help of diagrams.
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| Earning: Approval pending. |
