CS/B.Tech/(TT-NEW)/SEM-6/TT-605C/2013
2013
INTRODUCTION TO MICROPROCESSOR
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following :
10 × 1 = 10
i) The number of programmable 8-bit register of 8085
microprocessor is
a) 5 b) 6
c) 8 d) 7.
ii) Which one of the following is the software interrupt of
8085 microprocessor
a) RST 7·5 b) EI
c) RSTO d) all of these.
iii) Whenever the POP instruction is executed, the stack
pointer is
a) decremented by 1 b) decremented by 2
c) incremented by 2 d) incremented by 1.
iv) When a subroutine is called the address of the
instruction to CALL is saved in