STUPIDSID
1 (b)
Explain SIM instruction of 8085
5 M
1 (c)
Explain TCON register of 8051
5 M
1 (d)
Compare features of 89C51, 89C53, 89C2051, 89C2052
5 M
1(a)
State features of ARM controller.
5 M
2 (a)
Design 8085 based system with following specifications
(a) CPU working at 6 MHz
(b) 16KB EPROM using 8K device
(c) 8KB SRAM using 4K device.
(a) CPU working at 6 MHz
(b) 16KB EPROM using 8K device
(c) 8KB SRAM using 4K device.
10 M
2 (b)
Write assembly language program for 8085 to move a block of stored at location 2100 to location 3100
10 M
3 (a)
Explain ICW's and OCE's of PIC 8259
10 M
3 (b)
Explain strobe j input output mode of PPI 8255
10 M
4 (a)
Draw and explain internal memory organization of 8051
10 M
4 (b)
Explain 8253 control word format and set up the 8253 as square wave generator with 1 ms period if input frequency to 8253 is 1 MHz
10 M
5 (a)
Explain addressing modes of ARM controller
10 M
5 (b)
Given an arrary of 10 numbers, write assembly language program for 8051 to find smallest amongst the ten numbers stored from memory location 3000
10 M
6 (a)
Draw and explain timming diagram of following 8085 instruction
(a) MVI M,25H
(b) LDA 3200
(a) MVI M,25H
(b) LDA 3200
10 M
6 (b)
Draw and explain internal structure of Port-1 and Port-3 of 8051
10 M
7 (a)
Write a program to display message on an 8-bit 7-segment LED display that is interfaced thrugh Port-1 and Port-3 of 8051
10 M
7 (b)
Draw and explain interrupt structure of 8085
10 M
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