{"id":1269,"date":"2021-03-23T14:08:19","date_gmt":"2021-03-23T08:23:19","guid":{"rendered":"https:\/\/bcisnotes.com\/secondsemester\/?p=1269"},"modified":"2021-04-25T13:41:15","modified_gmt":"2021-04-25T07:56:15","slug":"digital-systems-pokhara-university-fall-2016","status":"publish","type":"post","link":"https:\/\/bcisnotes.com\/secondsemester\/question-bank\/digital-systems-pokhara-university-fall-2016\/","title":{"rendered":"Pokhara University || Fall 2016 Digital Systems||"},"content":{"rendered":"
Fall 2016 Digital Systems<\/h5>\n
This is the question set along with the answers of Fall 2016 Digital Systems which was taken by the Pokhara University (PU).<\/h5>\n

POKHARA UNIVERSITY<\/strong><\/p>\n

Fall 2016 Digital Systems<\/h5>\n\n\n\n\n\n\n\n\n
Level:\u00a0 Bachelor <\/strong><\/td>\nSemester \u2013 Fall<\/strong><\/td>\nYear: 2016<\/strong><\/td>\n<\/tr>\n
Program: BCIS<\/strong><\/td>\nFull Marks: 100<\/strong><\/td>\n<\/tr>\n
Course: Digital Systems<\/strong><\/td>\nPass Marks: 45<\/strong><\/td>\n<\/tr>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Time:3hrs<\/strong><\/td>\n<\/tr>\n
Candidates are required to give their answers in their own words as far as practicable.<\/em><\/td>\n<\/tr>\n
The figures in the margin indicate full marks.<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Section “A”<\/strong><\/p>\n

Very Short Answer Questions<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
S.N<\/td>\nAttempt all the questions.<\/strong><\/td>\n10\u00d72<\/strong><\/td>\n<\/tr>\n
1<\/td>\nWhat do you mean by a digital system?<\/td>\n2<\/td>\n<\/tr>\n
2<\/td>\nWhat do you understand by TTL, ECL, FET, and MOSFET?<\/td>\n2<\/td>\n<\/tr>\n
3<\/td>\nWrite down the characteristic equation of T flip-flop.<\/td>\n2<\/td>\n<\/tr>\n
4<\/td>\nWhat are Flipflops?<\/td>\n2<\/td>\n<\/tr>\n
5<\/td>\nWhat are counters?<\/td>\n2<\/td>\n<\/tr>\n
6<\/td>\nWhich gates are called universal gates? Why?<\/td>\n2<\/td>\n<\/tr>\n
7<\/td>\nExpress the decimal number-225 in sign-magnitude form, 1\u2019s complement form, and 2\u2019s complement form.<\/td>\n2<\/td>\n<\/tr>\n
8<\/td>\nExplain Multiplexer.<\/td>\n2<\/td>\n<\/tr>\n
9<\/td>\nWhat is ALU?<\/td>\n2<\/td>\n<\/tr>\n
10<\/td>\nWhat weight does 3 have in a hexadecimal number (12345)16<\/sub>?<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Section “B”<\/strong><\/p>\n

Descriptive Answer Questions<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nAttempt any six<\/em> questions<\/strong><\/td>\n6\u00d710<\/td>\n<\/tr>\n
11<\/td>\nRealize the following function using minimum number of universal gates. F (A, B, C, D ) = \u2211(0, 2, 3, 4,8,9,12,13,15)<\/td>\n<\/td>\n<\/tr>\n
12<\/td>\nWhat are the fundamental differences between Combinational Circuits and Sequential Circuits? Show the complete design of a full subtractor circuit.<\/td>\n<\/td>\n<\/tr>\n
13<\/td>\nExplain Binary Parallel Adder. Design Full Adder using two half adder and OR gate<\/td>\n<\/td>\n<\/tr>\n
14<\/td>\nWhat do you understand by triggering of Flip-flop? Show the next state table of RS, JK, D, and T flip-flops.<\/td>\n<\/td>\n<\/tr>\n
15<\/td>\nDesign a 3-bit Synchronous Counter.<\/td>\n<\/td>\n<\/tr>\n
16<\/td>\nWhat is a bus organization? Explain with an example how arithmetic and logical operations are done by ALU.<\/td>\n<\/td>\n<\/tr>\n
17<\/td>\nExplain the technologies used for IC Fabrication. What are the different levels of Integration?<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00a0<\/strong><\/p>\n

Section “C”<\/strong><\/p>\n\n\n\n\n
<\/td>\nCase Analysis<\/strong><\/td>\n<\/td>\n<\/tr>\n
18<\/td>\na)\u00a0\u00a0\u00a0 Explain different types of Shift Register with a clean diagram.<\/p>\n

b)\u00a0\u00a0\u00a0 Reduce the number of states in the following state table and tabulate the reduced state table<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Present State<\/td>\nNext state<\/td>\noutput<\/td>\n<\/tr>\n
<\/td>\nx=0<\/td>\nx=1<\/td>\nx=0<\/td>\nx=1<\/td>\n<\/tr>\n
a<\/td>\nf<\/td>\nb<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
b<\/td>\nd<\/td>\nc<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
c<\/td>\nf<\/td>\ne<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
d<\/td>\ng<\/td>\na<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n
e<\/td>\nd<\/td>\nc<\/td>\n0<\/td>\n0<\/td>\n<\/tr>\n
f<\/td>\nf<\/td>\nb<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
g<\/td>\ng<\/td>\nh<\/td>\n0<\/td>\n1<\/td>\n<\/tr>\n
h<\/td>\ng<\/td>\na<\/td>\n1<\/td>\n0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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