8085 Architecture

What is the data bus width of the 8085 microprocessor?

• 8 bits

• 16 bits

• 4 bits

• 1 bit

Which of the following is NOT a register in the 8085 microprocessor?

• Accumulator

• Program Counter

• Control Register

• Stack pointer

How many general-purpose registers are there in the 8085 microprocessor?

• 6

• 4

• 8

• 7

Which flag in the flag register of the 8085 microprocessor is set if the result of an arithmetic operation is zero?

• Carry

• Sign

• Zero

• Parity

What is the maximum number of memory locations that can be addressed by the 8085 microprocessor?

• 64kbytes

• 1Gbytes

• 32kbytes

• 256bytes

Which pin is used for serial data transfer?

• SID

• SOD

In the 8085 microprocessor, which flag is set if an arithmetic operation results in a carry from the most significant bit?

• Zero

• Parity

• Auxiliary Carry

• Carry

8085 is 16 bit microprocessor.

• Yes, 8085 is a 16-bit microprocessor
• No, 8085 is an 8-bit microprocessor
• No, 8085 is a 32-bit microprocessor
• No, 8085 is a 64-bit microprocessor

What is the size of the flag register in the 8085 microprocessor?

• 4 bits

• 8 bits

• 16 bits

• 32 bits

Which of the following pins of the 8085 microprocessor is used to acknowledge an interrupt request?

• INTR

• INTA

• SID

• RST