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Bagsakan - Quiz
Contributed by: Madarcos
  • 1. When an interrupt occurs, the microcontroller FIRST:
A) Executes the next instruction
B) Clears RAM
C) Save the current program state
D) Resets the cpu
  • 2. Which component is primary responsible for instruction decoding?
A) Register file
B) ALU
C) Program counter
D) Control Unit
  • 3. Which of the following best explains why register access is faster than RAM access?
A) Registers are external to the cpu
B) Registers operate at lower clock speed
C) Registers are larger in size
D) Registers are located inside the cpu
  • 4. Microcontrollers are commonly used in appliances, vehicles and industrial systems.
A) TRUE
B) FALSE
  • 5. Why are microcontrollers preferred embedded systems or microprocessors?
A) Lower cost and integrated peripheral
B) Ability to run operating system
C) Larger memory capacity
D) Higher clock speed
  • 6. Which statement about interrupts is TRUE?
A) Interrupts eliminate the need for a main program
B) Interrupts allow immediate response to events
C) Interrupts stop the clock permanently
D) Interrupts replace polling intirely
  • 7. Which features most clearly distinguishes a microcontroller from microprocessor?
A) Use of clock signals
B) Integration of memory and peripherals on-chip
C) Ability to execute instructions
D) Presence of an ALU
  • 8. What is microcontroller?
A) A microprocessor used on for computers.
B) A programmable device with cpu, memory and I/O on a single chip
C) A type of analog controller
D) A high-speed graphics processor
  • 9. The main advantage of using flash memory in microcontroller is that it;
A) Is volatile
B) Can be electrically erased and programmed
C) Has fastest access time than registers
D) Requires no power to write data
  • 10. Early microcontrollers had large memory capacities similar to modern devices
A) TRUE
B) FALSE
  • 11. Which architectural features allow a microcontroller to execute one instruction while fetching the next?
A) Direct memory access
B) Pipelining
C) Harvard architecture
D) Interrupts system
  • 12. Which peripheral allows microcontroller to convert an analog sensor signal into digital data?
A) Comparator
B) PWM
C) DAC
D) ADC
  • 13. Which company introduced the first commercially successful microcontroller?
A) IBM
B) Texas Instruments
C) Intel
D) Motorola
  • 14. In which decade microcontroller first introduced?
A) 1960's
B) 1990's
C) 1970's
D) 1980's
  • 15. The Intel 8048, released in 1970's, is significant because it was:
A) The first ARM-based device
B) The first microprocessor used in PC's
C) The first 32-bit processor
D) One of the earliest microcontrollers
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