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 | July, 2015 | |
| City, State | new delhi, |
Question Paper
1. Attempt all the multiple choice and True/False questions.
A nibble is equal to 8 bits.
One MB is equal to 1024 KB.
A flip-flop is a sequential circuit.
Ripple counter can be constructed from shift register.[T/F]
An octal system has
4 digits
4 bytes
8 digits
None of the above
Which is a universal gate
NAND
NOR
NOT
None of the above
How many flip-flops are required for 4-bit register
2
3
4
None of the above
2. Simplify the Boolean function F using Boolean's law. Also draw the Logic diagram and make Truth Table.
Convert the Decimal number 43.125 to Binary.
Convert the Decimal number 19.5 to Octal.
Why is Excess-3 code self-complementary code Explain with example.
Explain and design 3-bit synchronous counter.
Give the symbol and Truth Table of EX-OR Gate and EX-NOR Gate. Construct an EX-OR gate using NAND gates only.
5. Simplify the following Boolean function in SOP and POS forms by means of K-map. Also draw the Logic diagram and Truth Table, of output function
10, 11, 14, 15).
6. What is multiplexer What are the applications of multiplexer Design a 16 x 1 multiplexer using 4x 1 multiplexer.
7. Draw the diagram of the following Sip-flops. Also construct the excitation table
D-flip-flop, T-flip-flop
Clocked S-R flip-flop with preset and clear, and write the drawbacks of S-R flip-flop.
8. Write short notes on any bur of the following
A/D and D/A Converter
Master Slave Flip-Flop
Demultiplexer
Moore/Mealy Machine
PMOS
A nibble is equal to 8 bits.
One MB is equal to 1024 KB.
A flip-flop is a sequential circuit.
Ripple counter can be constructed from shift register.[T/F]
An octal system has
4 digits
4 bytes
8 digits
None of the above
Which is a universal gate
NAND
NOR
NOT
None of the above
How many flip-flops are required for 4-bit register
2
3
4
None of the above
2. Simplify the Boolean function F using Boolean's law. Also draw the Logic diagram and make Truth Table.
Convert the Decimal number 43.125 to Binary.
Convert the Decimal number 19.5 to Octal.
Why is Excess-3 code self-complementary code Explain with example.
Explain and design 3-bit synchronous counter.
Give the symbol and Truth Table of EX-OR Gate and EX-NOR Gate. Construct an EX-OR gate using NAND gates only.
5. Simplify the following Boolean function in SOP and POS forms by means of K-map. Also draw the Logic diagram and Truth Table, of output function
10, 11, 14, 15).
6. What is multiplexer What are the applications of multiplexer Design a 16 x 1 multiplexer using 4x 1 multiplexer.
7. Draw the diagram of the following Sip-flops. Also construct the excitation table
D-flip-flop, T-flip-flop
Clocked S-R flip-flop with preset and clear, and write the drawbacks of S-R flip-flop.
8. Write short notes on any bur of the following
A/D and D/A Converter
Master Slave Flip-Flop
Demultiplexer
Moore/Mealy Machine
PMOS
Other Question Papers
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