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Microcontrollers Questions Set 13:

Quiz Mode

On power up, which RAM locations does the 8051 use for registers R0-R7?

00-2F

00-07

00-7F

00-0F

Solution:

Which register is responsible for the power down mode of the microcontroller 8051 ?

PCON

SCON

TCON

SBUF

Solution:

Which of the following instructions is invalid?

MOV R2, DPH

MOV DPTR, #66509

MOV DPTR, #F123H

Both 1 and 2

Solution:

The ROM-less version of the 8051 microcontroller is called the:

8031

8751

8052

All versions of the 8051 have ROM

Solution:

In 8051 microprocessor , in TCON register, which bits are responsible for the external interrupt signal type ?

5th and 7th

2nd and 6th

4th and 3rd

0th and 2nd

Solution:

where is the PSW / PC status stored in 8051, once the interrupt request is received from any peripheral device?

peripheral memory

program memory

Internal ROM

stack area

Solution:

Which register is important register in the instruction of any arithmetic operation from multiply , divide , add and substract.

PSW

Accumulator

Program counter

stack pointer

Solution:

What are the values in R1 and R0 registers in the last ?
MOV R1, #35H MOV R0, #25H PUSH 1 PUSH 0 POP 1 POP 0

R1 = 35 R0 = 25

R1 = 35 R0 = 35

R1 = 25 R0 = 25

R1 = 25 R0 = 35

Solution:

Which of the following register is not accessible by the user ?

A

B

DPTR

WR

Solution:

Which of the following instructions use direct addressing mode ?

Microcontrollers Questions Set 13:

On power up, which RAM locations does the 8051 use for registers R0-R7?

Solution:

Which register is responsible for the power down mode of the microcontroller 8051 ?

Solution:

Which of the following instructions is invalid?

Solution:

The ROM-less version of the 8051 microcontroller is called the:

Solution:

In 8051 microprocessor , in TCON register, which bits are responsible for the external interrupt signal type ?

Solution:

where is the PSW / PC status stored in 8051, once the interrupt request is received from any peripheral device?

Solution:

Which register is important register in the instruction of any arithmetic operation from multiply , divide , add and substract.

Solution:

What are the values in R1 and R0 registers in the last ?
MOV R1, #35H MOV R0, #25H PUSH 1 PUSH 0 POP 1 POP 0

Solution:

Which of the following register is not accessible by the user ?

Solution:

Which of the following instructions use direct addressing mode ?

Solution:

Related Question Sets:

Related Topics:

Microcontrollers Questions Set 13:

On power up, which RAM locations does the 8051 use for registers R0-R7?

Solution:

Which register is responsible for the power down mode of the microcontroller 8051 ?

Solution:

Which of the following instructions is invalid?

Solution:

The ROM-less version of the 8051 microcontroller is called the:

Solution:

In 8051 microprocessor , in TCON register, which bits are responsible for the external interrupt signal type ?

Solution:

where is the PSW / PC status stored in 8051, once the interrupt request is received from any peripheral device?

Solution:

Which register is important register in the instruction of any arithmetic operation from multiply , divide , add and substract.

Solution:

What are the values in R1 and R0 registers in the last ?MOV R1, #35H MOV R0, #25H PUSH 1 PUSH 0 POP 1 POP 0

Solution:

Which of the following register is not accessible by the user ?

Solution:

Which of the following instructions use direct addressing mode ?

Solution:

Related Question Sets:

Related Topics:

What are the values in R1 and R0 registers in the last ?
MOV R1, #35H MOV R0, #25H PUSH 1 PUSH 0 POP 1 POP 0