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(Please write your Roll No. immediately) |
Roll No. .................................. |
Sixth Semester [B.Tech] - April 2006
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Paper Code : ETEC-302 – Subject : Microprocessor Systems II |
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Time : 11/2 Hours |
Maximum Marks : 30 |
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Note : Attempt any 3 questions in all. Q1 is compulsory. Each question carries 10 marks. |
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Q1 |
( a ) |
List the features of PC/XT and PC/AT systems. |
4 |
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( b ) |
Draw and discuss the functional block diagram of a PC system. | 4 | |
| ( c ) | Convert the decimal number 28.75 to a single precision floating point number. | 2 |
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Q2 |
( a ) |
Using a 32x8 SRAM, determine the minimum number of chips required
to construct a memory interface to each of the following processor.
For each interface calculate the total memory capacity provided. |
10 |
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( b ) |
Design a memory system to interface 64KB SRAM to 8086 CPU using 32KB SRAM IC |
5 |
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Q3 |
( a ) |
What is a bus? |
1 |
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( b ) |
Explain the address and data buses available in PC/XT and PC/AT system. | 5 | |
| ( c ) | List the features of the VESA and PCI bus. | 5 |
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Q4 |
( a ) |
Using neat diagrams, explain daisy chainng, polling and independent request bus arbitration schemes. |
5 |
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( b ) |
Draw and discuss the interface between 8086 and 8087. | 5 |