Download DBATU B.Tech 2019 March 4th Semester Microprocessor Question Paper

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 March (Bachelor of Technology) 4th Semester Microprocessor Question Paper

DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE -
RAIGAD -402 103
Mid Semester Examination ? March - 2019
Branch: B.Tech (Electronics& Telecommunication) Sem.:- IV
Subject : Microprocessor Subject Code:- BTEXC403
Date:- {3 /03/2019 Time:- 1 Hr. Marks: 20
Instructionsz? Assume data if required
(Marks) (co)
Q.No.1 Fill in the blanks (06)
1. 8085 has -------------- address lines
a. 8 b.16 c.18 d.32
2.How much memory can be accessed by 8085
a. 2 k byte b. 1 k byte c. 3 k byte (1. none of these
3. MOV A,B instruction is used to transfer data from
a. B to A b. A to B c. A to A d. none ofthese
4. ANI instruction is used to
a. Masking b. Unmasking c. both a and b d. none of these
5. how many bit data bus 8085 is
a. 8 bit b. 16 bit c. 32 bit d. 64 bit
6. ALE pin of 8085 is
a. Address latch enable b. arithmetic logic enable c. address logic enable
(1. none of these.
Q.No. 2 801% any two of the foliowing: (3x2)
A.) Explain addressing modes with example in detail co (1)
B.) Subtract two 8 bit numbers available in reg B and reg C,result
will be stored in 2201H memory location co (2)
C.) Write an instructions to i. load 00H in accumulator ii. co(2)
Decrament accumulator iii. Move content of accumulator to
Reg B
Q.No.3 S01Ve any one of the following 8
(A) Write an assembly language program to find largest number from
series of numbers available in memory location from 2301H co(2)
on words, store result in 2400H.
(B) What is interrupt ? what are different types of interrupts? Explain
RIM and SIM instructions. co(4)