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, 2016 | |
| City, State | new delhi, |
Question Paper
1.Choose the correct answer
Convert the decimal number 221 to binary number:
10111011
11011101
10111101
10111100
Assign the proper odd parity bit to the code 11100l.
1111011
1111001
0111111
0011111
Which of the following logic families has the shortest propagation delay?
CMOS
BiCMOS
ECL
TTL
What is the another name for a one-shot?
Monostable
Bistable
Astable
Multivibrator
The output of an OR gate with three inputs, B and C is low, when
A B C
A B C
A B C 1
None of the above
How many flip-flops are required to make a MOD-32 binary counter?
1
4
6
8
A hexadecimal system has
4 bits
8 bits
8 bytes
None of the above
2. What is meant by TTL With a neat diagram, explain the operation of open collector output configuration.
3. Design a JK flip-flop using NOR gates and explain its operation.
4. Implement the expression IIM(0,
using only NOR-NOR logic.
Explain the working of carry look-ahead adder.
Draw the circuit diagram of a 3-bit Ring counter.
Given the two binary numbers X 1010100 and Y 1000011. Perform the subtraction X using complement method.
Bring out the differences between
encoder and multiplexer, and
combination and sequential logic circuits.
7. Write short notes on any two of the following:
Realization of PMOS Inverter
Shift Register
De Morgan's Theorems
Convert the decimal number 221 to binary number:
10111011
11011101
10111101
10111100
Assign the proper odd parity bit to the code 11100l.
1111011
1111001
0111111
0011111
Which of the following logic families has the shortest propagation delay?
CMOS
BiCMOS
ECL
TTL
What is the another name for a one-shot?
Monostable
Bistable
Astable
Multivibrator
The output of an OR gate with three inputs, B and C is low, when
A B C
A B C
A B C 1
None of the above
How many flip-flops are required to make a MOD-32 binary counter?
1
4
6
8
A hexadecimal system has
4 bits
8 bits
8 bytes
None of the above
2. What is meant by TTL With a neat diagram, explain the operation of open collector output configuration.
3. Design a JK flip-flop using NOR gates and explain its operation.
4. Implement the expression IIM(0,
using only NOR-NOR logic.
Explain the working of carry look-ahead adder.
Draw the circuit diagram of a 3-bit Ring counter.
Given the two binary numbers X 1010100 and Y 1000011. Perform the subtraction X using complement method.
Bring out the differences between
encoder and multiplexer, and
combination and sequential logic circuits.
7. Write short notes on any two of the following:
Realization of PMOS Inverter
Shift Register
De Morgan's Theorems
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