Exam Details
| Subject | Micro Controller | |
| 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 | June, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct answer from the given four alternatives.
Which feature of microcontroller is not available in a microprocessor based system
Registers
Program memory lock
ADC
None of these
Reset input for 8051
clears all ports
loads SP by OOH
selects bank
None of these
What would be the content of the accumulator after the execution of the instruction MOV SP just after the System Reset in 8051
Undefined
07H
08H
None of these
Which one of the following addressing modes is not available for ADD, ADM and SUBB instructions
Indexed
Direct
Register indirect
None of these
Addressing mode used in the instruction RAR is
Direct
Indirect
Immediate
Implicit
Non-vectored interrupt having least priority in 8085 is
RST 0
RST 5.5
RST 6.5
INTR
Which Jane of the following is not a machine control instruction
EI
NOP
HLT
STC
What are the advantages and disadvantages of using Harvard architecture in 8051
Draw the block diagram of 8051 microcontroller and explain its salient features.
Explain PSW SFR. Give the application differences between catty and 'Overflow flags.
Twenty bytes of data are stored in location from 7FH to 6CH of internal RAM. Count the number of those bytes which contain 00H, and stork this number of null bytes in RAM location 6BH.
Explain the model input configuration of 8255 using its control word, control signals, timing diagram and status word.
Configure the ports of the 8255 as given Port A input, Port B output, PCu output, PCL input. Assume that the four registers of the 8255 PPI are located at 40H — 43H.
Explain the addressing modes of 8051 with suitable examples.
Describe the functions of PSEN EA XTAL1 and XTAL2 pins of 8051 microcontroller.
Draw and label the block diagram of IC 8155. Discuss its operating modes.
List various data transfer techniques. Describe any one in detail with suitable example.
What are assembler directives Differentiate between compiler/interpreter and an assembler.
Design a system (both software and hardware) that will cause four LEDs to flash alternately when a push button is pressed using 8255 with 8085 microprocessor.
8. Write short notes on any two of the following
Power Management feature of 8051
EPROM and FLASH
VLIW Architecture
Which feature of microcontroller is not available in a microprocessor based system
Registers
Program memory lock
ADC
None of these
Reset input for 8051
clears all ports
loads SP by OOH
selects bank
None of these
What would be the content of the accumulator after the execution of the instruction MOV SP just after the System Reset in 8051
Undefined
07H
08H
None of these
Which one of the following addressing modes is not available for ADD, ADM and SUBB instructions
Indexed
Direct
Register indirect
None of these
Addressing mode used in the instruction RAR is
Direct
Indirect
Immediate
Implicit
Non-vectored interrupt having least priority in 8085 is
RST 0
RST 5.5
RST 6.5
INTR
Which Jane of the following is not a machine control instruction
EI
NOP
HLT
STC
What are the advantages and disadvantages of using Harvard architecture in 8051
Draw the block diagram of 8051 microcontroller and explain its salient features.
Explain PSW SFR. Give the application differences between catty and 'Overflow flags.
Twenty bytes of data are stored in location from 7FH to 6CH of internal RAM. Count the number of those bytes which contain 00H, and stork this number of null bytes in RAM location 6BH.
Explain the model input configuration of 8255 using its control word, control signals, timing diagram and status word.
Configure the ports of the 8255 as given Port A input, Port B output, PCu output, PCL input. Assume that the four registers of the 8255 PPI are located at 40H — 43H.
Explain the addressing modes of 8051 with suitable examples.
Describe the functions of PSEN EA XTAL1 and XTAL2 pins of 8051 microcontroller.
Draw and label the block diagram of IC 8155. Discuss its operating modes.
List various data transfer techniques. Describe any one in detail with suitable example.
What are assembler directives Differentiate between compiler/interpreter and an assembler.
Design a system (both software and hardware) that will cause four LEDs to flash alternately when a push button is pressed using 8255 with 8085 microprocessor.
8. Write short notes on any two of the following
Power Management feature of 8051
EPROM and FLASH
VLIW Architecture
Other Question Papers
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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