8086 and 8085 Microprocessor Quiz

The maximum memory addressable in 8086 is:

• 64 KB

• 1 MB

• 16 MB

• 4 GB

The 8086 microprocessor follows which architecture?

• Von Neumann

• Harvard

• RISC

• CISC

How many segment registers are there in 8086?

• 2

• 4

• 6

• 8

The bus width of the 8086 microprocessor is:

• 8-bit

• 16-bit

• 32-bit

• 64-bit

Which of the following is NOT an arithmetic instruction?

• ADD

• SUB

• INR

• MOV

What is the function of the CMP instruction?

• Adds two values

• Compares two values

• Multiplies two values

• Divides two values

The instruction "CPI 32H" belongs to which instruction set?

• Logical

• Arithmetic

• Control

• Branching

Which instruction is used to complement all bits of the accumulator?

• CMA

• CMC

• XCHG

• RLC

The instruction RAL performs:

• Rotate left without carry

• Rotate left through carry

• Rotate right without carry

• Rotate right through carry

The 8085 microprocessor has _______ hardware interrupts.

• 1

• 2

• 5

• 8