8085, 8086 Microprocessor Multiple Choice Questions and Answers Pdf - 2

Question: 6

Following is a 16 bit register for 8085 microprocessor

(A) accumulator

(B) stack pointer

(C) register

(D) register

Question: 7

For which of the following devices, is DMA the most suitable?

(A) hard disc

(B) joystick

(C) mouse

(D) keyboard

Question: 8

A bus connected between the CPU and main memory that permits of information between main memory and the CPU is known as

(A) address bus

(B) control bus

(C) memory bus

(D) DMA bus

Question: 9

Program counter in a digital computer

(A) points the memory address of the next instruction to be fetched

(B) counts the number of times the loops are executed

(C) counts the number of times a subroutine is called

(D) counts the number of program run in the machine

Question: 10

An advantage of memory interfacing is that

(A) a non volatile memory is obtained

(B) a larger memory is obtained

(C) effective speed of the memory is increased

(D) the cost of the memory is reduced