Exam Details
| Subject | Microprocessor | |
| 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. Choose the correct answer for the following:
Program counter
counts the number of programs run in the machine.
counts the number of times a subroutine is called.
counts the number of times the loop is executed.
points the memory address of the current or the next instruction to be executed.
The memory word Size of 8085 microprocessor is
6 bits
8 bits
12 bits
16 bits
If the interrupt service request have been received from all the following interrupts, then which one will be executed last?
RST 5.5
RST 6.5
RST 7.5
RST 4.5
Which stack is used in 8085 microprocessor?
FIFO
LIFO
FILO
None of these
Even after a RESET operation, which of the following interrupts remains enabled
INTR
RST 5.5
RST 7.5
TRAP
When a subroutine is called, address of the CALL instruction is stored in
pointer
accumulator
program·counter
stack
Which port of 8255 PPI can be split into two halves?
PortA
Port B
Port C
Ports B
Define the address bus, the data bus and the control bus and explain their functions with reference to 8085 microprocessor.
Draw and explain the system timing diagram of 8085 microprocessor.
Draw and explain the internal architecture of 16-bit 8086 microprocessor.
Explain the functions Reset,. Wait, Interrupt and Hold with examples.
Explain the unconditional and conditional Jump instruction with suitable examples.
Write an assembly language program for traffic control.
Define a subroutine and explain its uses.
Explain an interrupt process and the difference between a non-maskable and a maskable-interrupt.
Explain the difference between peripheral mapped and memory mapped I/O techniques.
Differentiate between 80286 and 80386 microcontrollers.
7. Write short notes on any two of the following:
Multiplexers and Demultiplexers
RAM and EPROMs
8085-based Data Acquisition System
Program counter
counts the number of programs run in the machine.
counts the number of times a subroutine is called.
counts the number of times the loop is executed.
points the memory address of the current or the next instruction to be executed.
The memory word Size of 8085 microprocessor is
6 bits
8 bits
12 bits
16 bits
If the interrupt service request have been received from all the following interrupts, then which one will be executed last?
RST 5.5
RST 6.5
RST 7.5
RST 4.5
Which stack is used in 8085 microprocessor?
FIFO
LIFO
FILO
None of these
Even after a RESET operation, which of the following interrupts remains enabled
INTR
RST 5.5
RST 7.5
TRAP
When a subroutine is called, address of the CALL instruction is stored in
pointer
accumulator
program·counter
stack
Which port of 8255 PPI can be split into two halves?
PortA
Port B
Port C
Ports B
Define the address bus, the data bus and the control bus and explain their functions with reference to 8085 microprocessor.
Draw and explain the system timing diagram of 8085 microprocessor.
Draw and explain the internal architecture of 16-bit 8086 microprocessor.
Explain the functions Reset,. Wait, Interrupt and Hold with examples.
Explain the unconditional and conditional Jump instruction with suitable examples.
Write an assembly language program for traffic control.
Define a subroutine and explain its uses.
Explain an interrupt process and the difference between a non-maskable and a maskable-interrupt.
Explain the difference between peripheral mapped and memory mapped I/O techniques.
Differentiate between 80286 and 80386 microcontrollers.
7. Write short notes on any two of the following:
Multiplexers and Demultiplexers
RAM and EPROMs
8085-based Data Acquisition System
Other Question Papers
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- Advance Microprocessor And Architecture
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- Analog Communication
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- Principles of Communication Engineering
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