STUPIDSID
1 (a)
Define and classify the embedded systems, give few examples of such systems.
5 M
1 (b)
Compare AJMP, SJMP, LJMP instructions of 8051.
5 M
1 (c)
Explain function of \[ \overline{PSEN} \ and \ \overline {EA} \] pins of 8051.
4 M
1 (d)
Describe the principal features of the ARM architecture.
6 M
2 (a)
Explain Internal memory organization of 8051.
10 M
2 (b)
Explain addressing modes of ARM 7 processor.
10 M
3 (a)
Explain interrupt structure of 8051 in detail.
10 M
3 (b)
What is semaphore? Explain the use of semaphore with respect to embedded operating systems.
10 M
4 (a)
Write assembly language program for 8051 to multiply two 8 bit numbers stored in external memory locations 4000 H and 4001 H. Send the result on PORT 1 and PORT 3.
10 M
4 (b)
Explain CPSR of ARM 7 processor.
10 M
5 (a)
What do you means by Task and Trask state related to embedded operating systems and also discuss about task control block (TCB) and its data.
10 M
5 (b)
Write assembly language program for 8051 to transfer message "ENGINEER" serially at the baud rate of 4800 mode 1.
10 M
6 (a)
Explain Smart Card Reader system in detail.
12 M
6 (b)
Explain priority inversion problem in Embedded System. How does it is resolved?
8 M
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