Microprocessors and Microcontrollers (3160914) MCQs

MCQs of 8051 Interrupts

Showing 31 to 33 out of 33 Questions
31.

The storage of addresses that can be directly accessed is

(a)

external data RAM

(b)

internal data ROM

(c)

external data ROM and SFRS

(d)

internal data RAM and SFRS

Answer:

Option (d)

32.

The address register for storing the 16-bit addresses can only be

(a)

stack pointer

(b)

data pointer

(c)

instruction register

(d)

accumulator

Answer:

Option (b)

33.

The address register for storing the 8-bit addresses can be

(a)

R0 of the selected bank of register

(b)

R1 of the selected bank of register

(c)

Stack pointer

(d)

All of the mentioned

Answer:

Option (d)

Showing 31 to 33 out of 33 Questions