MPMC ARCHITECTURE

What is the size of the data bus of the 8086 microprocessor?

• a. 8 bits
• b. 16 bits
• c. 32 bits
• d. 64 bits

Which register is used for temporary storage during arithmetic?

• a. AX
• b. BX
• c. CX
• d. DX

What is the function of the Instruction Pointer (IP) register?

• a. It stores the operand data
• b. It stores the result of arithmetic operations
• c. It stores the memory address of the next instruction to be executed
• d. It stores the contents of the stack pointer

What is the size of the instruction queue in the 8086 processor?

• a. 4
• b. 6
• c. 8
• d. 10

Which addressing mode is used to access memory in the 8086 microprocessor?

• a. Direct
• b. Register
• c. Indirect
• d. Immediate

What is the size of the stack in the 8086 microprocessor?

• a. 64 bytes
• b. 128 bytes
• c. 256 bytes
• d. 512 bytes

What is the function of the Segment Register in the 8086 microprocessor?

• a. It stores the memory address of the next instruction to be executed
• b. It stores the contents of the stack pointer
• c. It stores the base address of the memory segment
• d. It stores the result of arithmetic operations

Which flag register bit is used to indicate that the result of an arithmetic operation is zero?

• a. SF
• b. CF
• c. OF
• d. ZF

What is the maximum amount of memory that can be addressed by the 8086 microprocessor?

• a. 64 KB
• b. 1 MB
• c. 16 MB
• d. 4 GB

What is the function of the Auxiliary Carry flag?

• a. It indicates that the result of an arithmetic operation has overflowed
• b. It indicates that a carry has occurred in the most significant bit position
• c. It indicates that a carry has occurred in the least significant bit position
• d. It is used for BCD arithmetic