Exam Details

Subject Digital Electronics
Paper
Exam / Course Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2015
City, State new delhi,


Question Paper

1. Attempt all the multiple choice and True/False questions.

Gray code is a self-complementing code.

One KB is equal to 1024 bytes.

complement of 101001 is 010110.

What is the function of EX-OR Gate?

F B

F B

F A.B

None of the above

A flip-flop can store

2 bit

1 bit

4 bit

None of the above

What is the full form of POS

Sum of Product

Product of Square

Product of Sum

None of the above

How many inputs are required for 4 x 1 multiplexer?

4

8

16

32

Minimize the following Boolean functions using Boolean's law

abc' +abc



Convert the Decimal Number 12·6875 into Binary Number.

Convert the Binary Number
110001·010 into Decimal Number.

3. Minimize the following Boolean functions using K-map and implement logic circuit:

10,12)

10, 15) using NAND Gate only.


Draw and explain NAND and X-NOR Gates.

Discuss sequence generator and detector circuits.

What is TIL logic? Explain Realization of NAND Gate using TIL logic.

What is ECL logic? Explain ECL OR Gate and ECL NOR Gate with diagrams.

Explain the following

Cumulative, Associative and Distributive Laws

De Morgan's Theorem

Differentiate between combinational circuit and sequential circuit with examples.

7. What is Demultiplexer? What is the application of a Demultiplexer? Draw and explain 8 Demux.

8. Write short notes on any four of the following:

Universal Gate

Full Adder

4-bit Shift Register

J-K flip-flop

Synchronous Counter


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Advance Microprocessor And Architecture
  • Analog And Mixed Mode Vlsi Design
  • Analog Communication
  • Analog Electronic Circuits
  • Analog Integrated Circuits Design
  • Antennas And Propagation
  • Applied Electronics
  • Audio and Video Engineering
  • Basic Telematics
  • Basics Of Electronics Engineering
  • Bio Informatics
  • Circuits and Networks
  • Computer Architecture
  • Computer Communication Networks
  • Control Engineering
  • Data Communication And Network
  • Data Structures
  • Device Modelling For Circuit Simulation
  • Digital Communication
  • Digital Electronics
  • Digital Signal Processing
  • Digital System Design
  • Dip- ECE PCB Design & Testing
  • Electromagnetic Field Theory
  • Electronic Measurement And Instrumentations
  • Electronic Measurement and Instruments
  • Electronic Product Design
  • Electronic Switching Circuits
  • Embedded System Design
  • Industrial Electronics
  • Information Theory And Coding
  • Linear Integrated Circuits
  • Maintenance Of Electronic Equipment
  • Micro Controller
  • Micro Controllers
  • Microelectronics Technology
  • Microprocessor
  • Microprocessor And Its Applications
  • Microwave And Radar Engineering
  • Modeling And Testing Of Digital Systems
  • Multirate Systems
  • Nano - Electronics
  • Optical Fiber Communication
  • Opto Electronics Communication Systems
  • Power Electronics
  • Principles of Communication Engineering
  • Quantum Communication
  • Rf Circuits
  • Satellite And Tv Engineering
  • Signal Compression
  • Signals And Systems
  • Technical English
  • Television Engineering
  • Wireless Communication