Bagsakan

1. When an interrupt occurs, the microcontroller FIRST:

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

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 located inside the cpu
B) Registers are larger in size
C) Registers are external to the cpu
D) Registers operate at lower clock speed

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) Higher clock speed
D) Larger memory capacity

6. Which statement about interrupts is TRUE?

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

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

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

A) Requires no power to write data
B) Is volatile
C) Can be electrically erased and programmed
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) Direct memory access
B) Harvard architecture
C) Interrupts system
D) Pipelining

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

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

13. Which company introduced the first commercially successful microcontroller?

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

14. In which decade microcontroller first introduced?

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

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

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

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