Microprocessor and its Architecture Quiz

What does ALU stand for in microprocessor architecture?

• Arithmetic Logic Unit

• Advanced Logic Unit

• Algorithmic Logic Unit

• Analog Logic Unit

Which unit coordinates the activities of other units within the microprocessor?

• ALU

• Control Unit

• Registers

• Memory

What is the purpose of Registers in a microprocessor?

• To control data flow

• To store instructions permanently

• To store data temporarily during processing

• To perform arithmetic operations

Which component of a microprocessor stores data and instructions being processed?

• Registers

• Memory

• Control Unit

• ALU

What does ISA define in microprocessor architecture?

• Set of instructions that the microprocessor can execute

• Control signals for data transfer

• Memory locations for data storage

• Timing and control signals

What does the Accumulator in a microprocessor do?

• Coordinates activities of other units

• Stores instructions permanently

• Performs arithmetic and logical operations

• Stores data temporarily

Which flag is set to 1 when an arithmetic operation results in zero?

• S flag

• CY flag

• AC flag

• Z flag

What does the Stack Pointer (SP) hold in a microprocessor?

• Address of the accumulator

• Address of the program counter

• Address of the memory location

• Address of the stack top

What is the function of the Program Counter (PC) in a microprocessor?

• Holds the address of the stack top

• Stores data and instructions

• Keeps track of program execution

• Coordinates activities of other units

What does the Timing and Control Unit provide in a microprocessor?

• Timing and control signals

• Serial data communication

• Data transfer between components

• Arithmetic and logical operations