Bagsakan

1. When an interrupt occurs, the microcontroller FIRST:

A) Executes the next instruction
B) Resets the cpu
C) Save the current program state
D) Clears RAM

2. Which component is primary responsible for instruction decoding?

A) Register file
B) ALU
C) Control Unit
D) Program counter

3. Which of the following best explains why register access is faster than RAM access?

A) Registers are larger in size
B) Registers are located inside the cpu
C) Registers operate at lower clock speed
D) Registers are external to 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) Ability to run operating system
B) Larger memory capacity
C) Lower cost and integrated peripheral
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) Ability to execute instructions
B) Use of clock signals
C) Presence of an ALU
D) Integration of memory and peripherals on-chip

8. What is microcontroller?

A) A type of analog controller
B) A programmable device with cpu, memory and I/O on a single chip
C) A high-speed graphics processor
D) A microprocessor used on for computers.

9. The main advantage of using flash memory in microcontroller is that it;

A) Can be electrically erased and programmed
B) Has fastest access time than registers
C) Is volatile
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) Interrupts system
B) Direct memory access
C) Harvard architecture
D) Pipelining

12. Which peripheral allows microcontroller to convert an analog sensor signal into digital data?

A) PWM
B) Comparator
C) ADC
D) DAC

13. Which company introduced the first commercially successful microcontroller?

A) Motorola
B) Intel
C) Texas Instruments
D) IBM

14. In which decade microcontroller first introduced?

A) 1970's
B) 1990's
C) 1980's
D) 1960's

15. The Intel 8048, released in 1970's, is significant because it was:

A) The first ARM-based device
B) One of the earliest microcontrollers
C) The first microprocessor used in PC's
D) The first 32-bit processor

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