Jobs By Abekus

Microcontrollers Questions Set 9:

Quiz Mode

How many bits are transferred in the 9 bit UART mode ( mode 3 ).

Solution:

When the 8051 microcontroller wakes up, which register is loaded with 0x00?

DPTR

PSW

Solution:

After which instruction is the PC value increases by 3 in the 8051 microcontroller ?

PCALL

ACALL

LCALL

RET

Solution:

The architecture of the 8051 microcontroller consists of:

2 timer registers

4 latches

4 on-chip I/O ports

All of the mentioned

Solution:

The microcontroller enters into idle mode when

SMOD bit of PCON is set

GF1 bit of PCON is set

PD bit of PCON is set

IDL bit of PCON is set

Solution:

In which of the following modes in the timer in 8051 microcontroller the both timers can not work independently?

mode 0

mode1

mode 2

mode 3

Solution:

What is the full form of RISC.

Reduced Instruction Set Architectuer

Reduced Instruction Set Computer

Reduced Integrated Set Architecture

None of the above

Solution:

The TB8 and RB8 bits are not useful in which serial communication mode of the 8051 microcontroller ?

8 bit Asynchronous shift register mode

8 bit UART

9 bit UART

none

Solution:

What is the status of the CY (Carry Flag), AC (Auxiliary Carry Flag), and P (Parity Flag) after adding 88H and 93H?

CY =1, AC=0, P=0

CY =1, AC=1, P=0

CY =0, AC=1, P=1

CY =0, AC=0, P=1

Solution:

From 256 bytes of internal RAM how much amount is dedicated to SFRs

64 bytes

100 bytes

128 bytes

none

Microcontrollers Questions Set 9:

How many bits are transferred in the 9 bit UART mode ( mode 3 ).

Solution:

When the 8051 microcontroller wakes up, which register is loaded with 0x00?

Solution:

After which instruction is the PC value increases by 3 in the 8051 microcontroller ?

Solution:

The architecture of the 8051 microcontroller consists of:

Solution:

The microcontroller enters into idle mode when

Solution:

In which of the following modes in the timer in 8051 microcontroller the both timers can not work independently?

Solution:

What is the full form of RISC.

Solution:

The TB8 and RB8 bits are not useful in which serial communication mode of the 8051 microcontroller ?

Solution:

What is the status of the CY (Carry Flag), AC (Auxiliary Carry Flag), and P (Parity Flag) after adding 88H and 93H?

Solution:

From 256 bytes of internal RAM how much amount is dedicated to SFRs

Solution:

Related Question Sets:

Related Topics: