STUPIDSID
1 (a)
Explain Instruction format of 8086 microprocessor.
5 M
1 (b)
Write Functions of following 8086 microprocessor pins -
(i) LOCK (bar)
(ii) QS0 & QS1(bar).
(i) LOCK (bar)
(ii) QS0 & QS1(bar).
5 M
1 (c)
Draw Timing Diagram for minimum mode 8086 read bus cycle.
5 M
1 (d)
Explain the application of timer in PIC18F microcontroller.
5 M
2 (a)
Explain in detail software and hardware architecture of 8086.
10 M
2 (b)
Write a program in ALP of 8086 to compute the factorial of a number.
10 M
3 (a)
Design 8086 microcomputer system with following specifications-
(i) 8086 CPU operating at 5MHz.
(ii) 8087 co-processor for numeric computation.
(iii) 32 kb of EPROM using 8kb devices.
(iv) 64 kb of SRAM using 16k devices.
(v) 2 input and 1 output port all are of 16 bits.
(i) 8086 CPU operating at 5MHz.
(ii) 8087 co-processor for numeric computation.
(iii) 32 kb of EPROM using 8kb devices.
(iv) 64 kb of SRAM using 16k devices.
(v) 2 input and 1 output port all are of 16 bits.
15 M
3 (b)
Explain address modes of 8086 microprocessor.
5 M
4 (a)
Draw and explain functional block diagram of 8257. Explain the bit configuration of mode set register and status register of 8257.
10 M
4 (b)
How the data memory and program memory is organized with PIC18F? Explain with help of memory map.
10 M
5 (a)
Convert the decimal number -187.625 in short real, long real and temporary real data of 8087 NDP.
5 M
5 (b)
Explain different 8087 Exceptions.
5 M
5 (c)
How the DMA operation is taken place in 8257? Explain the operation with help of timing diagrams and state diagram.
10 M
6 (a)
Explain the interfacing diagram of 8259 in maximum mode and cascaded mode.
10 M
6 (b)
Write a program for PIC18F to find the largest number stored in an array that is stored in data memory locations from 0x10F to 0x5F.
10 M
Write short notes on:-
7 (a)
Assembler directives of 8086.
7 M
7 (b)
Handshaking mode of 8255 PPI.
7 M
7 (c)
Configuration of 8259 OCWs.
6 M
More question papers from Microprocessor & Microcontroller 2