JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech II COMPUTER ORGANIZATION Previous Question Paper (April - 2018 - R16)
Part A is compulsory. Answer any one full question from each unit of Part B.
Part A
Explain RTL and its control function.
Answer
Register Transfer Language (RTL) is a symbolic notation used to describe the micro-operations performed on data stored in registers. It provides a formal way to specify the internal operations of a digital system.
A Control Function is a Boolean expression that specifies whether a micro-operation is to be executed. It is typically written as:
Here, P is the control function (a binary variable) that, when equal to 1, triggers the transfer of data from register R1 to R2.
Compare horizontal and vertical organization.
Answer
| Feature | Horizontal Organization | Vertical Organization |
|---|---|---|
| Control Bits | Long control words (many bits). | Short control words (few bits). |
| Decoding | Little or no decoding required. | Requires complex decoding logic. |
| Speed | Faster execution. | Slower due to decoding delay. |
Differentiate jump and loop instructions.
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Briefly explain special processor activities.
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What is an assembler?
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Explain the machine code for: LES DI,[0600H] and NEG 50[BP].
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Explain overflow and underflow.
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Differentiate isolated I/O and memory mapped I/O.
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Explain the cache incoherence.
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Explain the locality of reference.
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Part B - Unit I
List and explain different performance measures used to represent a computer system performance.
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Elucidate the functioning of a Micro program sequencer.
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Elucidate common bus system.
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Formulate a mapping procedure that provides eight consecutive micro instructions for each routine. The operation code has 7 bits and control memory has 4096 words.
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Part B - Unit II
Explain the register organization in 8086.
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Elucidate machine language instruction formats.
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Explain the pin configuration details of 8086.
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Explain the assembler directives with examples.
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Part B - Unit III
Explain the steps involved in writing a program using an assembler.
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Write a program to find out the number of positive numbers and negative numbers from a given series of signed numbers.
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Add the contents of the memory location 4000H:0600H to contents of 5000H:0700H and store the result in 8000H:0900H.
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Write a program for addition of two numbers.
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Part B - Unit IV
Draw a flow chart for Floating point Add/subtract operations.
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Illustrate asynchronous communication interface in detail.
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Explain in detail with neat sketch Booth Multiplication Algorithm.
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Explain different types of modes of control.
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Part B - Unit V
Explain arithmetic pipeline with example.
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Elucidate Inter processor communication.
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Elucidate array processor in detail.
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Explain various Interconnection Structures.
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