Code No: F3102 R0O9
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA I Semester Examinations, August - 2017
COMPUTER ORGANIZATION
Time: 3hrs Max.Marks:60
Answer any five questions
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All questions carry equal marks
- a) Demonstrate the design of a sequential circuit for a binary counter.
b) Construct a 4-bit synchronous binary counter. [6+6] - a) Simplify the following Boolean functions using four-variable maps.
F(A,B,C,D) = S(4,6,7,15)--- Content provided by FirstRanker.com ---
b) F(A,B,C,D) = S(0,2,8,9,10,11,14,15) - Explain the functionalities and applications of the following:
i) Decoders
ii) Encoders
iii) Multiplexers--- Content provided by FirstRanker.com ---
iv) De-multiplexers. [6+6] - a) Describe the general form of floating point representation.
b) Give the hardware organization of associative memory and demonstrate with an example. [4+8] - a) How many 128x8 RAM chips and 128 x8 ROM chips are needed to provide memory capacity of 4096 bytes of RAM and 4096 bytes of ROM. List the memory-address map and indicate what size decoders are needed.
b) Give an overview of page replacement algorithms. [8+4] - a) Give the pin configuration of 8086 microprocessor.
b) Demonstrate the following addressing modes of 8086 microprocessor with examples:
i) Indexed
ii) Based Indexed [8+4] - a) Explain the following 8086 instructions:
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i) MUL
ii) IMUL
iii) DIV
iv) IDIV
b) Write short notes on the software interrupts in 8086. [8+4] - a) Write an assembly language program that computes the sum of 10 numbers.
b) Give an overview of software polling method for identifying highest-priority interrupt. [6+6] - a) Demonstrate the mechanism of DMA.
b) Explain the functionalities of an IOP interface unit. [6+6]
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