ThatQuiz Test Library Take this test now
Bagsakan - Quiz
Contributed by: Madarcos
  • 1. When an interrupt occurs, the microcontroller FIRST:
A) Clears RAM
B) Executes the next instruction
C) Save the current program state
D) Resets the cpu
  • 2. Which component is primary responsible for instruction decoding?
A) Program counter
B) ALU
C) Control Unit
D) Register file
  • 3. Which of the following best explains why register access is faster than RAM access?
A) Registers are external to the cpu
B) Registers are located inside the cpu
C) Registers operate at lower clock speed
D) Registers are larger in size
  • 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) Larger memory capacity
B) Lower cost and integrated peripheral
C) Ability to run operating system
D) Higher clock speed
  • 6. Which statement about interrupts is TRUE?
A) Interrupts eliminate the need for a main program
B) Interrupts replace polling intirely
C) Interrupts allow immediate response to events
D) Interrupts stop the clock permanently
  • 7. Which features most clearly distinguishes a microcontroller from microprocessor?
A) Integration of memory and peripherals on-chip
B) Ability to execute instructions
C) Presence of an ALU
D) Use of clock signals
  • 8. What is microcontroller?
A) A programmable device with cpu, memory and I/O on a single chip
B) A high-speed graphics processor
C) A type of analog controller
D) A microprocessor used on for computers.
  • 9. The main advantage of using flash memory in microcontroller is that it;
A) Requires no power to write data
B) Can be electrically erased and programmed
C) Is volatile
D) Has fastest access time than registers
  • 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) Pipelining
B) Direct memory access
C) Harvard architecture
D) Interrupts system
  • 12. Which peripheral allows microcontroller to convert an analog sensor signal into digital data?
A) DAC
B) PWM
C) ADC
D) Comparator
  • 13. Which company introduced the first commercially successful microcontroller?
A) Texas Instruments
B) IBM
C) Motorola
D) Intel
  • 14. In which decade microcontroller first introduced?
A) 1960's
B) 1970's
C) 1980's
D) 1990'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) One of the earliest microcontrollers
D) The first 32-bit processor
Created with That Quiz — the site for test creation and grading in math and other subjects.