E-Quiz Microprocessor

1. The instruction, MOV AX, 5AH belongs to the address mode

• direct

• register direct

• indirect

• immediate

• immediate

The instruction, MOV AX,[BX] is an example of

• direct addressing mode

• register addressing mode

• register relative addressing mode

• register indirect addressing mode

3.8085 microprocessor is an 8-bit microprocessor designed by?

• IBM

• Dell

• Intel

• VAX

In 8085, 16-bit address bus, which can address upto?

• 16KB

• 32KB

• 64KB

• 128KB

What is true about the Program counter?

• It is an 8-bit register, which holds the temporary data of arithmetic and logical operations

• When an instruction is fetched from memory then it is stored in the program counter

• It provides timing and control signal to the microprocessor

• It is a 16-bit register used to store the memory address location of the next instruction to be executed.

The number of General Purpose Registers present in 8086 microprocessor

• 4

• 14

• 10

• 34

MOV AX,[1234H] Type of addressing mode used

• Immediate addressing mode

• direct addressing mode

• register relative mode

• base index mode

Which is Non Maskable Interrupt

• INTR

• RST7.5

• TRAP

• RST6.5

ISR Stands for

• Internet service router

• Internet Service Road

• Interrupt Service road

• Interrupt Service Routine

Expand USART

• Uniform Synchronous Asynchronous Radio Transceiver

• Universal Synchronous Asynchronous Radio Transceiver

• Universal Synchronous Asynchronous Radio Transmitter

• Universal Synchronous Asynchronous Receiver Transmitter