STUPIDSID
Answer any one question from Q1 and Q2
1 (a)
Explain how logical to Linear address translation With TI = 0 is done in 80386DX for protected mode? Draw neat diagram.
8 M
1 (b)
What are three components of COMMAND.COM? Explain significance of each of them.
4 M
2 (a)
Compare 8086, 80386 and i7 processor on the basis of architectural features. (Min. 6 points of comparison).
4 M
2 (b)
Compare and contrast .COM and .EXE programs.
4 M
2 (c)
Draw architecture of 8259 PIC and state function of each block.
4 M
Answer any one question from Q3 and Q4
3 (a)
What is the need of sample and hold circuit ? Explain successive approximation ADC with block diagram.
4 M
3 (b)
Find out mode word and command word for the following configuration. Mode Word-Baud rate 16x, 8 bit char length, no parity, with 2 stop bits. Control word - Transmit and receive enable, DTR - Ready, normal operation, Reset all error flags, no internal reset, Hunt mode disable.
4 M
3 (c)
Why DMA controlled data transfers are preferred over interrupt driven or program controlled? Explain the use of HRQ and EOP signals.
4 M
4 (a)
What is the sensor matrix mode of the IC 8279? Explain the function of the 8×8-bit RAM in this mode.
4 M
4 (b)
Explain the BSR and I//O mode word formats of the IC 8255.
4 M
4 (c)
Explain operation of 8253/54 in mode 3 with the help of timing diagram.
4 M
Answer any one question from Q5 and Q6
5 (a)
Draw the schematic of 8086 microprocessor operating in minimum mode, showing supporting chips required like clock generator, latches, buffers etc. Explain working of 8086 in minimum mode.
8 M
5 (b)
How does 8086 distinguish 8087 instructions from its own instructions?
2 M
5 (c)
Explain the 8087 instruction with one example each:
i) Data Transfer group
ii) Constant returning group
iii) Coprocessor control group
i) Data Transfer group
ii) Constant returning group
iii) Coprocessor control group
3 M
6 (a)
Draw and discuss the interface and interaction between 8086 and 8087.
7 M
6 (b)
Draw and explain the read cycle timing diagram of 8086 in
minimum mode.
6 M
Answer any one question from Q7 and Q8
7 (a)
List and explain the features of Intel X58 chipset.
7 M
7 (b)
Discuss the following signals of Power Management interface of 82801JIR 1CH:
i) PLTRST#
ii) THRM#
iii) THEMTRIP#
iv) PWROK
i) PLTRST#
ii) THRM#
iii) THEMTRIP#
iv) PWROK
7 M
8 (a)
Draw and explain block diagram of i5 motherboard.
7 M
8 (b)
Explain RAS and 'Intel QuickData Technology' features of Intel x58 express chipset.
6 M
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