Microcomputer and Interface Technology - Quiz | Generated by AI
Here is a quiz based on the “Microcomputer and Interface Technology” course outline you provided:
1. What is the main architectural model used in most microcomputer systems?
- Harvard Architecture
- Von Neumann Architecture
- RISC Architecture
- CISC Architecture
2. Which internal registers are part of the 8086 microprocessor?
- Accumulator, Base, Count, Data
- AX, BX, CX, DX
- PC, SP, LR, FP
- MAR, MDR, IR, PC
3. What is the difference between memory-mapped I/O and isolated I/O?
- Memory-mapped I/O uses the same address space as memory, isolated I/O uses a separate address space
- Memory-mapped I/O is slower than isolated I/O
- Isolated I/O can only be used with DMA
- Memory-mapped I/O requires interrupts, isolated I/O does not
4. Which of the following is NOT a data transfer mode?
- Program-controlled
- Interrupt-driven
- Direct Memory Access
- Multithreading
5. What is the primary function of the 8259A chip?
- Timer/Counter
- Parallel Interface
- Interrupt Controller
- Serial Communication
6. The 8255A parallel interface chip supports how many modes of operation?
- 1
- 2
- 3
- 4
7. Which instruction type in the 8086 assembly language is used for loops and conditional jumps?
- Data transfer instructions
- Arithmetic instructions
- Control flow instructions
- Logical instructions
8. What is the purpose of address decoding in memory systems?
- To increase memory speed
- To select specific memory locations or devices based on address lines
- To encrypt data in memory
- To convert data formats
9. Which bus standard is older and was commonly used in early PC architectures?
- PCI
- USB
- ISA
- SPI
10. Which of the following protocols is used for serial communication in microcomputer interfaces?
- SPI
- I²C
- Both SPI and I²C
- None of the above
If you want, I can also provide answers and explanations!
Here are additional quiz questions covering more advanced and practical aspects of microcomputer and interface technology, drawing from broader course objectives and topics such as ARM microcontrollers, real-time programming, data acquisition, and interfacing techniques123:
Advanced Microcomputer and Interface Technology Quiz
11. Which of the following best describes Direct Memory Access?
- The CPU directly reads from and writes to memory without peripherals
- Peripherals transfer data to/from memory without CPU intervention
- Only the CPU can access memory during DMA
- DMA is used only for serial communication
12. What is the main function of the NVIC (Nested Vectored Interrupt Controller) in ARM Cortex-M microcontrollers?
- Manages bus arbitration
- Controls GPIO pin directions
- Handles and prioritizes interrupts
- Performs analog-to-digital conversion
13. Which signal is typically used to synchronize data transfer between a microcontroller and an external device?
- RESET
- CLOCK
- VCC
- GND
14. In microcontroller interfacing, what is the primary purpose of using operational amplifiers?
- Memory expansion
- Signal conditioning
- Bus arbitration
- Interrupt handling
15. What is a key difference between synchronous and asynchronous serial communication?
- Synchronous uses a shared clock; asynchronous does not
- Asynchronous is always faster
- Synchronous requires fewer wires
- Asynchronous cannot use UARTs
16. Which interface is most appropriate for connecting a microcontroller to a high-speed external sensor requiring real-time data acquisition?
- UART
- SPI
- I²C
- GPIO
17. What is the function of the stack in assembly language programming?
- Stores program code
- Holds temporary data and return addresses for subroutines
- Controls the clock speed
- Decodes memory addresses
18. Which of the following is an example of a human-machine interface (HMI) device?
- 8255A
- LCD touchscreen
- 8253 timer
- SPI bus
19. When designing a microcontroller interface for a keypad, which type of I/O is typically used?
- Serial I/O
- Parallel I/O
- Analog I/O
- PWM output
20. What is the primary advantage of using polling over interrupts in simple microcontroller applications?
- Lower CPU overhead
- Simpler implementation
- Faster response time
- Reduced power consumption
Let me know if you want explanations or answers for these questions!