Bagsakan

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 located inside the cpu
B) Registers are external to 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) 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 eliminate the need for a main program
B) Interrupts stop the clock permanently
C) Interrupts replace polling intirely
D) Interrupts allow immediate response to events

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 programmable device with cpu, memory and I/O on a single chip
B) A type of analog controller
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) Is volatile
B) Can be electrically erased and programmed
C) Requires no power to write data
D) Has fastest access time than registers

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

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

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

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