Bagsakan

1. When an interrupt occurs, the microcontroller FIRST:

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

2. Which component is primary responsible for instruction decoding?

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

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

A) Registers operate at lower clock speed
B) Registers are external to the cpu
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) FALSE
B) TRUE

5. Why are microcontrollers preferred embedded systems or microprocessors?

A) Ability to run operating system
B) Lower cost and integrated peripheral
C) Larger memory capacity
D) Higher clock speed

6. Which statement about interrupts is TRUE?

A) Interrupts stop the clock permanently
B) Interrupts eliminate the need for a main program
C) Interrupts allow immediate response to events
D) Interrupts replace polling intirely

7. Which features most clearly distinguishes a microcontroller from microprocessor?

A) Ability to execute instructions
B) Integration of memory and peripherals on-chip
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 microprocessor used on for computers.
D) A type of analog controller

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

A) Has fastest access time than registers
B) Requires no power to write data
C) Can be electrically erased and programmed
D) Is volatile

10. Early microcontrollers had large memory capacities similar to modern devices

A) FALSE
B) TRUE

11. Which architectural features allow a microcontroller to execute one instruction while fetching the next?

A) Harvard architecture
B) Interrupts system
C) Pipelining
D) Direct memory access

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

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

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

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

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

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