Master of Computer Application I (Science) Examination:
Oct Nov 2016 Semester I (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR U
50
Wednesday
23/11/2016
10.30 AM
to
01.00 PM
Digital Circuits
Microprocessors
C
HCT 1.3
Instructions: Question no. 1 2 are compulsory
Attempt any three questions from Q. No. 3 to Q. No. 7
Figures to the right indicate full marks.
Total Marks: 70
Q.1 Choose correct alternatives 10
Popular application flip-flop are
Counter Shift registers
Both a and b None of the above
When used with an IC, what does the term "QUAD" indicate
4 circuits 2 circuits
8 circuits None of the above
The Boolean expression for a 3-input AND gate
A AB X ABC
X A B C None of the above
4 to 1 mux would have
2 inputs 3 inputs
4 inputs None of the above
MOS stands for
Metal oxide semiconductor Memory oxide semiconductor
Metal oxide select None of the above
PC stands for
Program counter Point counter
Paragraph counter None of the above
Which is used to store critical pieces of data during subroutines and interrupts
Stack Queue
Accumulator None of the above
The left side of any binary number is called
Least significant digit Most significant digit
Medium significant digit None of the above
The instruction unconditionally transfer the control of execution to the
specified address is
CALL JMP
RET None of the above u
Page 1 of 2
10) The OF is called as
Overflow flag Over flag
Overdue flag None of the above
State true or false 04
The first microprocessor was Intel 4004
In 8086 the 1 MB byte of memory can be divide into 64 MB segment.
INC is not an arithmetic instruction
Given gate is not gate
Q.2 Explain flags in 8086 with an example.
Write 8085 program to add contents of two memory locations and store
result in another memory location
08
06
Q.3 What is addressing mode? Explain 8086 addressing modes.
Explain working of SR Flip-flop
08
06
Q.4 What are combinational circuits? Explain full adder.
Explain integrated circuits and its level of integrations
08
06
Q.5 Explain data transfer and arithmetic Instructions of 8085.
Explain working of D flip flop.
08
06
Q.6 What is timing diagram? Draw timing diagram of MVI instruction.
Explain D-Morgan's theorem.
08
06
Q.7 Realization of different gates using universal gates.
Explain memory segmentation of 8086.
08
06