MCQs on UNIT II

A device designer is developing a simple calculator with basic arithmetic operations. Which component of the microprocessor is primarily responsible for performing these arithmetic operations?

• Control Unit

• ALU (Arithmetic Logic Unit)

• Register

• I/O Unit

A robotics project involves controlling multiple sensors and motors in real-time. Which characteristic of a microprocessor is most critical in such real-time operations?

• Clock Speed

• Power Consumption

• Address Bus Width

• Cache Size

You are troubleshooting a microprocessor-based system and notice that the system isn't responding to any input. Which microprocessor component might be failing if the input is not being recognized?

• ALU

• I/O Unit

• Control Unit

• Program Counter

A developer is working with a microprocessor that operates on a 3.3V power supply. What impact will supplying 5V have on the microprocessor?

• Increase performance

• Damage the microprocessor

• Reduce clock speed

• Extend memory addressing

In an embedded system, low power consumption is a priority. Which type of microprocessor is best suited for this scenario?

• General-Purpose Microprocessor

• Embedded Microcontroller

• DSP Processor

• GPU

A system requires quick data transfers between memory and CPU with a wide data bus. Which microprocessor type would be more appropriate?

• 4-bit

• 8-bit

• 16-bit

• 32-bit

A vintage gaming console uses an 8-bit microprocessor. What is the maximum value that can be represented in a single data word of this microprocessor?

• 255

• 512

• 1024

• 4096

An engineer needs to address 64KB of memory in a system. Which bit-size microprocessor should they use to handle this memory requirement effectively?

• 4-bit

• 8-bit

• 16-bit

• 32-bit

An old control system needs upgrading, and the current system uses an 8-bit processor. Upgrading to which type of processor will most likely enhance its processing capability without needing significant changes in the system design?

• 4-bit

• 12-bit

• 16-bit

• 64-bit

A microprocessor handles a data word of 16 bits and needs to perform a multiplication. How many bytes are processed at a time by this processor?

• 1 Byte

• 2 Bytes

• 4 Bytes

• 8 Bytes