MPU&MCU Quiz 1

What is the primary function of an input device in a computer?

• Storing data

• Executing instructions

• Allowing permanent data retention

• Entering data and instructions

Which of the following is an example of a mass storage device?

• Keyboard

• CPU

• Disk drive

• Monitor

What is the central processing unit (CPU) responsible for in a computer?

• Permanent data retention

• Data input

• Executing instructions

• Displaying output

Which type of computer is typically more powerful than a personal computer but less powerful than a mainframe?

• Personal computer

• Workstation

• Minicomputer

• Supercomputer

What are the primary characteristics used to differentiate microprocessors? (Select all that apply)

• Instruction set

• Bus width

• Clock speed

• All of the above are correct

In the context of microcontrollers, what is the advantage of using microcontrollers over larger microprocessors?

• Higher clock speed

• Lower parts count and design costs

• Larger memory capacity

• Greater multitasking capabilities

What does the term "OSC" stand for in the context of microprocessors?

• Output Signal Control

• Oscillator Signal Circuit

• Overclocking Stability Control

• Oscillator

What is the purpose of a crystal oscillator in many microprocessors?

• To generate random waveforms

• To control the timing of microprocessor operations

• To increase clock speed

• To store program instructions

What does IRQ stand for in the context of interrupt control in microprocessors?

• Interrupt Request

• Internal Quartz Resonance

• Input/Output Queue Register

• Interrupt Rendering Query

What is the role of the Interrupt Service Routine (ISR) in interrupt control within a microprocessor-based system?

• To execute instructions sequentially

• To handle interrupt requests and return to the original program

• To permanently store data

• To control clock speed