What is the primary function of an ALU in a microprocessor?

• To store data

• To perform arithmetic and logical operations

• To control the flow of data

• To manage input and output devices

Which of the following is NOT a feature of a microcontroller?

• Built-in RAM

• Built-in ROM

• High processing speed for complex tasks

• Input/Output ports

In a microprocessor, the control unit (CU) is responsible for:

• Performing arithmetic operations

• Storing data

• Fetching and executing instructions

• Providing power supply to the system

Which of the following is a common application of microcontrollers?

• Desktop computers

• Laptops

• Embedded systems

• Data servers

The register that holds the address of the next instruction to be executed is known as:

• Stack Pointer

• Program Counter

• Instruction Register

• Accumulator

What type of memory is typically used for program storage in a microcontroller?

• RAM

• EEPROM

• ROM

• Cache

Which of the following is an 8-bit microcontroller developed by Intel?

• 8051

• ARM Cortex-M4

• Z80

• Pentium

In a microcontroller, an ADC (Analog-to-Digital Converter) is used for:

• Converting analog signals to digital values

• Converting digital signals to analog signals

• Storing data temporarily

• Controlling power supply

Which one of the following is NOT a component of a typical microcontroller?

• ALU (Arithmetic Logic Unit)

• I/O ports

• Cache memory

• Timer

Which type of bus in a microprocessor is primarily used for transferring data?

• Address bus

• Data bus

• Control bus

• System bus