PRAYOSHA ENGINEERING CLASSES
Enrolme:nt No . _ _ _ _ _ _ __
DIPLOMA ENGINEERING
SEMESTER Subject Name: DIGITAL MEMORY SYSTEM
Date: 08- 10- 2018 / 22-10-2018
Que. 1
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
(a)
(a)
(b)
(b)
(c)
(c)
Que. 3
(a)
(a)
(b)
(b)
(c}
(c}
Subject Code: 3331601
Time: 8:30 to 11:00 AM
Total Marks: 70
Answer any ten out of twelve
1.
Que. 2
m
( 20)
Define : Fan-in and Fan-out
Define : Propagation Delay and noise immunity AND Clock pulse.
Define in two Lines : Volatile Memory and Non-volatile Memory
Define in two Lines : Unipolar RAM and Bipolar RAM.
Write Advantages of MOSFET.
State application of counter.
Explain limitation of ripple counter.
Give difference between physical and logical address of 8086 processor.
Define memory segmentation for 8086 processor.
List Flynn's Classification . And explain any one
Define: Pipelining.And Define: Prefetch Queue.
Write advantages and disadvantages of CMOS
Answer the following question
( 10)
Explain RTL..........03
OR
Differentiate Combinational circuit and Sequential circuit.......... 03
Draw and explain Toggle flip flop and Clocked D flip flop ........ 03
OR
Explain buffer register......... 03
Draw and explain JK master-slave flip flop and impliment using NANO gate... 04
OR
Give Classification of register. And explainin detail........ 04
Answer the following question
( 10)
Draw truth table boolean expresion and logic circuit for all gates ..........03
OR
Explain Racing condition in JK flip flop ........ 03
Draw diagram of 32 x 8 ROM......... 03
OR
Differentiate static RAM and Dynamic RAM ..........03
Explain Edge-triggering ane level--triggering of flip flop .......... 04
OR
Define Hit ratio, Mapping, CacheMemm:y and Addressing mode.......... 04
N.S.PATEL 76000 31265
N.K.PATEL: 94292 35711
PRAY OSHA ENGI NEER ING CLASSES
Que. 4
Answer the following question
(a)
(a)
(b)
(b)
(c)
(c)
( 10)
Explain RS flip flop in details ...........03
OR
Explain registers of 8086 processor in brief........... 03
Draw and explain flag register of 8086 processor......... 03
OR
Explain function of Prefetch queue of 8086 processor............03
Draw and explain pin diagram of 8086 ............. 04
OR
Draw architecture of 8086 and explain EU unit or BIU unit. ......... 04
Que. 5 Answer the following question
(a)
(a)
(b)
(b)
(c)
(c)
( 10)
Write advantages and disadvantages of CMOS ICs............03
OR
Explain use of state table with two example........... 03
Write a short note on PLA.......... 03
OR
Draw circuit of parallel load shift register......... 03
Draw circuit diagram of 4 bit binary ripple counter............ 04
OR
Draw circuit diagram of 4 bit Asynchronous down counter............ 04
Que. 6 Answer the following question
(a)
(a)
(b)
(b)
(c)
(c)
( 10)
Explain NANO gate as a universal gate........... 03
OR
Explain NOR gate as a universal gate ............ 03
Draw the block diagram of ROM and explain it. ......... 03
OR
Explain 4 bit bidirectional shift register in brief.............03
Explain addressing modes of 8086 processor.......... 04
OR
Write a short note on PAL. ........ 04
N.S.PATEL 76000 31265
N.K.PATEL: 94292 35711