8085 Microprocessor Quiz

What type of microprocessor is the 8085?

• 8-bit

• 16-bit

• 32-bit

• 64-bit

Which register is not present in the 8085 microprocessor?

• Program Counter

• Stack Pointer

• Segment Register

• Accumulator

How many flags are there in the 8085 flag register?

• 4

• 5

• 6

• 7

What is the width of the address bus in the 8085 microprocessor?

• 8 bits

• 16 bits

• 32 bits

• 40 bits

How many pins does the 8085 microprocessor have?

• 20

• 30

• 40

• 50

What is the function of the Program Counter in the 8085?

• Stores the addresses of the current instruction

• Points to the next instruction

• Performs arithmetic operations

• Manages I/O ports

Which register does the 8085 use to keep track of results after operations?

• ALU

• Accumulator

• Flag Register

• Program Counter

Which component in the 8085 is responsible for executing arithmetic operations?

• ALU

• Program Counter

• Clock Generator

• Data Bus

What is the first phase in the 8085 instruction cycle?

• Fetch

• Decode

• Execute

• Write-back

How many T-states does an 8085 opcode fetch cycle require?

• 1

• 2

• 3

• 4